3moh291 RespiratorSelectionGuide

Transcript

1 3M Respirator Selection Guide

2 For more information I n U.S. Technical Assistance 1-800-243-4630 Customer Care Cen ter 1-800-328-1667 3M.com/PPESa fety In Canada Technical Assistance 1-800-267-4414 Cust omer Care 1-800-364-3577 3M.ca/PPESa fety

3 Respirator Selection Criteria Table of Contents 1 ... Management • Respirator Program Fit • Respirator Assigned (APF) Protection Factors • Eye • Effects from Skin or Contact Factors • Human Areas • Location of Hazardous • Respirator Characteristics, Capabilities, and Limitations Use Instructions • General • General Use Limitations Format Explanation ... 4 mical Name • C he • CAS # • Synonyms • IDLH Level • OEL • Respirator Recommendations • Comments Filter Definitions ...10 Particulate • N-Series • R-Series P-Series • • HEPA ... 11 How to Use This Guide 15 ... Chemical Compound Guide ... end of document Respirator Codes and Descriptions © 3M 201 8 . Data for this guide compiled 201 8 .

4 1 ator Sel ection Cr ite ria Respi r ™ ive or call o ur yo resentat ur local 3M rep Guide on Resp irator Selecti The 3M 3M Tec hnic al Service Line at These respirators help protect agains t incl of chem s for ical ude s a list which particles or gases a certain airborne nd . -4630 1-800-243 rs can be is . Th used 3M res pirato v apors only. No re spirator is capable of ement suppl info rm atio n can be used to Res m Man pirato agement r Progra preventing all airbo rne contaminant s from now led ge. k general indu strial hygie ne r’s breathing zone. entering the weare State the U nited s, whe re respirat ors In e contaminant rkplac ce wo On s and their When respirators are used in conjuncti on orma , a f are i orkplace n use in the w l at with a respiratory protection program th rogra tection p ory pro respirat m must m ndard ments in OSHA sta eets the require ect a p sel the guide ca n be used t n o hel blished coveri esta be ng the basic 29 CFR 1910.134, th ey can reduce air borne ™ opriat e 3M appr Resp early irator for n ined i HA n the OS remen requi ts outl rations in the contaminant concent 7 it Va Lim Threshold ls wi th 00 chemica lues on tecti Respirat ory Pro Stan dar d (2 9 CFR breathing zone to below the occup ational ® (TLV s recommended osure exp ther ) or o ors may isuse of respirat exposure limit. M ). Educa tion a nd tra in ing must 1910.134 itions vary from limi ts. B eca use cond actual r sure to the contami esult in overexpo nant rly emph be pr ope zed a nd conducted asi a or death. For thi s nd cause sickness s tion i orma inf this o ano r, te t orksi one w the lly . M ain periodica ng, a cleani nce, tena nd reason, proper res pirator selection, the guid ele intended ction of only as a e. S am gr e pro rag sto hed establis s must be training, use, and maintenance are will st app mo dep end ropriate respirator d for respi that rs rato utin and ro ely fo owe ll for the wearer to b mandatory in order e on the on and uld be ar situati cul parti sho . are reused use, . For correct properly protected made only by a p erson fam iliar w ith the c ctions , onsult a supervi sor and User Instru irator Fit Resp cal Service at or call 3M Techni Re tion ry Protec spirato e OSHA Th 1-800-243-4630. rote ons of an d li mitati ction respiratory p If y pr oducts. ou hav e any que stions to ction a ed nd use of sele 3M relat proper p res ir ators, or ui de, contact this g use of the (d isp ) re spirator or a reusable osable death. Misuse of a repirator may result in sickness or death. For correct use, consult a supervisor and User Instructions, or call 3M Technical Service at 1-800-243-4630.

5 Assigned protection factors* per OSHA respirat or, the wea rer m ust ob tain Self-Contained Breathing 29 CFR 1910.134 are as follows: tisfact ory a sa a Apparatus (SCBA) test. Worker quan qualita tive or airline with escape Pressure demand Air Purifying Respirators red. should als o b e conside comfo rt SCBA ...10,000 • Half facepiece (filtering facepiece- Remova l of the respirator, ev en for short unknown and IDLH atmospheres ... 10 disposable and reusable) time, drama uces th iods of red tically e pe r Pressure d emand SCBA ... . .10,000 • Full facepiece ... 50 protection aff or ded by t he respirator. unknown and IDLH atmospheres Powered Air Purifying Respirators • Loose-fitting facepiece ... 25 Protection Factors (APF) Assigned Effects From Skin or Eye Contact e an cted must hav rator sele respi The If a chemical can be absorbed through • Half facepiece 50 ... assi d p rote cti on gne factor (A PF) adequate the skin, skin protection may be required 0** Full facepiece, helmet, or hood ...100 • orkplace exp th for w e parti cular osure. protection. in addition to respiratory Supplied Air Respirators (airline) on D ivide the air con tami nant conce ntrati Eye protection may also be necessary • Continuous Flow l exp osur e limi t ( O EL) occu pati ona b y the t provided by the respirator. if no –Loose-fitting facepiece ... 25 in a hazard rati to ob ta o. The n select a Failure to provide adequate skin or eye ... 50 –Half facepiece pro tection an assi ith es pi r rator w gned protection can invalidate established – Full facepiece, helmet, or ho od ... 100 0** factor ater than qual to that hazard gre or e use exposure limits and make respirator Pressure • d ...1000 . ull facepiece f emand with ratio. ineffective f or protection against certain workplace contaminants. Ratio Hazard irb A inant Concentration orne Contam = OEL * Assigned protection factors may vary for specific standards as pro mul gat ed by OSHA. Where assigned protection factors in local , state, or fed eral stand ards are lo aging wer than tho se listed here, they should be used instead. For additional limitations of 3M respiratory protection products, refer to 3M respirator pack and User Instructions . 5. ** Resp irator manufacturer must provide data demonstrating performance of 1000 or greater, otherwise APF of 2 Respirator Selection Cri ria te 22

6 3 General Use Instructions Human Factors Location Of Hazardous Area Consider the entire package of safety When specifying supplied air respira tors, low all instructions Failure to fol • and equipment required for the job. The worker must consider the distance the limitations on the use of these respirators respirator selected must be compatible tamina ted work tra vel to ge t t o an uncon failure to wear them during all and/or with hard hats, goggles, glasses, welding t area, as well as obstacles or equipmen times of exposure can reduce respirator hoods, faceshields, etc. In addition, the sickness result in effectiveness and may scaffolds present in the area. If ladders or or death. worker must be able to communicate must be climbed, a supplied air respira tor and perform required job duties without or a combination air supplied purifying/ Many of the contaminants that can be • removing the respirator. If strenuous work te. air respira tor ma y no t be appropria danger ous to a person’s health include is to be performed, or if the respirator is to the ones that are so small they cannot be Respirator Characteristics, be worn for an extended period of time, it seen or smelled at dangerous levels. Capabilities, and Limitations may be desirable to select a lightweight Before use of any respirator, • the wearer A respira t y no tor ma t be able o help respirator with low breathing resistance. the employer in trained by must first be protect against all of the contaminants If a respirator does not have good worker proper respirator use in accordance with w present in a particular ork environment. acceptance and does not stay on the and health standards. applicable safety Specific limitations are stated on the worker’s face, it will not provide the The OSHA Respiratory Protection • approval labels and are included with protection needed. Standard [29 CFR 1910.134(f)(1)] requires be carefully These must User Instructions. tight-fitting that the wearer of any reviewed for each respirator before use. be fit tested. respirator General precautionary information is Leave the contaminated area immediately • be given fer t o r . Re espirator low if dizziness or other distress occurs, if the specific packaging or User Instructions for respirator becomes damaged or breathing information. becomes difficult, if contaminants can be smelled or tasted, or if irritation occurs.

7 General Use Limitations CAS # • These respirators do not supply oxygen. C istry hemical abstract service reg Format Explanation numbers were established by the • Do not use when concentrations of American Chemical Society to harmonize Chemical Name contaminants are immediately dangerous less of the chemical identification regard Chemical names listed in this guide are to life or health, when concentrations are elling. synonym used or differences in sp generally those used in the Threshold unknown, or in atmospheres containing Exposure and Biological Limit Values less than 19.5% oxygen. Synonyms for 201 published by the 7 Indices isted in n synonyms are l Several commo • Do not abuse or misuse any respirator. American Conference of Governmental this column. Industrial Hygienists (ACGIH). • Do not use tight-fitting respirators or IDLH Level Pesticides and chemicals without loose-fitting facepieces with beards This is the concentration considered occupational exposure limits established or other facial hair or conditions that ous to Life or Health Immediately D anger are not included. Call 3M Technical prevent direct contact between the by the National (IDLH), as published for assistance in selecting Service face and the edge of the respirator. Institute for Occup ational Safety and respirators for these chemicals. Do not use when concentrations • Health (NIOSH) (DHHS [NIOSH] exceed maximum use concentrations Publication No. 90-117). It specifically established by regulatory agencies. refers t o the acute respirato ry e xp osure that poses an immedia te threat of loss of life, immediate o r dela yed irreversible adverse effects on health, or acute eye exposure that would p revent escape from a hazardous atmosp here. 4 4 Format Explanation

8 5 The concentration that would result in an Association is listed when it is the most T he reasons NIOSH established an IDLH at oxygen deficient atmosphere should also stringent value or there is no TLV or PEL. particular for a specific chemical are level a be considered to be IDLH. d escribed in Documentation for • Time Weighted Average (TWA) exposure Immediately Dangerous to Life or Health limits are for a normal eight (8) hour OEL Concentrations (IDLHs), NTIS Publication workday and a forty (40) hour work-week. • The occupational exposure limits listed ay 1994. The 1994 No. PB-94-195047, M are 201 ACGIH Threshold Limit 7 Short-Term Exposure Limit (STEL) is • IDLH values established by NIOSH used L Values (T Vs), unless otherwise stated. a 15-minute time weighted average interim criteria, and OSHA stated in a May ® ® ® and BEIs , 201 7 From ACGIH LVs T exposure which should not be 21, 1996 memorandum that OSHA will use . Reprinted with 7 Book. Copyright 201 exceeded at any time during a workday. the older IDLH values while NIOSH The concentrations are permission. conducts further study regarding the 1994 • Ceiling (C) exposure limits refer to expressed in ppm — parts per million values are used in DLH values. The 1990 I trations that should not be concen (parts of contaminant per million parts this guide since OS HA uses these values exceeded during any part of the of air) — unless specifically stated as for enforcement. 3 working exposure. (milligrams of contaminant per mg/m some other unit. cubic meter of air) or • Exposure limits for particulates are as , r those substances with no IDLH listed Fo therwise noted (e.g., total dust unless o the manufacturer or supplier may have • The OSHA Permissible Exposure Limit inhalable fraction, respirable fraction, information. The additional chemical (PEL) is listed when it is more stringent respirable fibers, etc.) Chemical Referral Center operated by the than the current TL V. C hemical Manufacturers Asso ciation can • Skin notations indicate the substance The 2010 Workplace Environmental • assist in providing for telephone numbers ough the skin. In can be absorbed thr Exposure Levels (WEEL) from ob taining informatio n from manufacturers. these cases, appropriate measures must the American Industrial Hygiene The lower explosive l evel (LEL) has been listed when an IDLH value was not located.

9 For more information on odor thresholds, be taken to prevent skin and eye contact The recommendations are for single please see relevant publications such as to avoid invalidating the OEL. substances. When two or more “Odor Thresholds for Chemicals with substances are present, a combination • For a more detailed explanation of TLVs Established Health Standards, Second respirator may be appropriate. For and their proper application, refer to the Edition. AIHA (2013).” example, with a spray paint that contains LV booklet available for a nominal fee T organic solvents and titanium dioxide, a from ACGIH, 1330 Kemper Meadow espirator Type R respirator consisting of an organic vapor 0 Drive, Cincinnati, OH 4524 This column lists the suggested type of cartridge and a particle filter may be . www.acgih.org particulate, gas/vapor or supplied air appropriate. In cases where an air respirator. The abbreviations used are Odor Threshold purifying respirator is not available for all explained at the end of this document. f the substances of concern in a o Odor thresholds have been removed ixture, a supplied air respirator may be m guide. Whil from this version of the e All of these respirators have not been required. serve odor or irritation may ntaminant co specifically tested against each compound hen to as a secondary indicator of w isted. A review of chemical and physical l In some cases, the respirator is change cartridges, it cannot as be used properties of the materials, as well as preceded by an “(F)” designation. These for when to the primary indicator adsorption or filtration characteristics of contaminants have been identified as change. the respirators, forms the basis for the potential eye irritants. Full facepieces, recommendations. hoods, helmets ?B loose fitting facepieces or half facepieces with appropriate eye protection should be considered. 6 66 Format Explanation

10 7 tor Sometimes, a supplied air respira Do not exceed maximum use concentrations Comments is recommended because the established by regulatory agencies. Follow the Other information may be listed in t the service life may be so short tha protection factor guidelines in specific OSHA this column: the changing frequency required for standards, and refer to the instructions in the Short service life means predicted A. cartridges may no t be practical. Respirator Selection Criteria and How To Use cartridge life of less than 30 minutes at This Guide sections of this guide. ferences t o Ineffective sorbents Re of ten times concentrations (10X) the OEL, Unknown sorbent effectiveness or When a chemical cartridge respirator is or the contaminant’s boiling point is less te 3M does not make chemical indica recommended, it can only be used if a vary . Actual service life will than 65C opria te for cartridge respirators appr cartridge change schedule is established as considerably depending on concentration this time or these substances a it is not t described in 29 CFR 1910.134 (d)(3)(iii) (B) (2). levels, temperature, humidity, work rate, ts would the sorben how effective known If a change schedule is not established, a references the following literature etc. See be for these materials. supplied air respirator must be used instead. for specific details on the conditions and limitations of these estimates: respirator not B. References to a 3M Company. 1. being specifically approved refer to 3M Service Life Software. approvals for that particular substance sls 3M.com/ only. All respirators listed in this guide are NIOSH approved for specific Nelson, G.O. and C.A. Harder. 2. substances and/or conditions. Cartridge Efficiency Respirator Vapor. V. Effect of Studies: Solvent Am. Ind. Hyg. Assoc. J. 35(7): 410 (1974). 391-

11 Both chemical properties and use specific exposure data and C. {Comments regarding warning conditions/processes can affect the conditions before making workplace properties have been removed as physical form in the workplace. Users selection.* If a chemical their final OSHA allows air purifying respirators to should consider specific exposure s used, a change schedule cartridge i be used against gases and vapors with data and workplace conditions before must be established to replace the poor or unknown warning properties. making their final selection.* cartridges before the end of their Instead cartridge change schedules service life. based on objective information and that an N-series filter is It is believed F. data must be established.} E. These compounds have been identified these ma terials sufficient since will not as possibly existing in both vapor and fibers, but since this coat the filter These compounds have been . D particulate phase in the workplace. material may contain oil aerosols, an identified as possibly existing in both Even though these chemicals would is recommended P-series filter R- or phase in the particulate and vapor be expected to be in the vapor phase, until further research or a regulatory workplace. For these compounds, 3M when other aerosols are present or agency takes a specific position. recommends that a gas/vapor there is high humidity, it is possible o the cartridge be used in addition t R- or P-series filters have been G. that the vapor may be adsorbed onto traditionally accepted particulate recommended pending more research these coexisting particles or dissolved filter. It is the user’s responsibility the these materials affect as to how in available water droplets; therefore, forms whether both to determine filter fibers. 3M recommends a filter for the coexist. Both chemical properties and particulate phase be used in addition H. Listing of 3M or 3510, 3530, 3550, use conditions/processes ™ to the traditionally accepted chemical Personal Air refers to a 3M 3720 the form in the physical can affect cartridge. It is the user’s responsibility to Analysis. Monitor with Pre-Paid workplace. Users should consider determine whether both forms coexist. * See Perez, C. and S. C. Soderholm: Some Chemicals Requiring Special Consideration When Deciding Whether to Sample the Particle, Vapor, or Both Phases of an Atmosphere. Appl. Occup. Hyg. 6(10): 859-864 (1991). Format Explanation 8

12 9 Monitor may be used to measure the s specific s in the amount of contaminant 3M™ Monitors without pre-paid air. may be used with analysis analysis performed by a private laboratory. You should check with the laboratory to chemicals can be determine what other measured with the monitors. An estimate of the airborne concentration for making appropriate is needed respirator selection and establishing a cartridge change schedule. Contact the toll free 3M Technical Service Line at 1-800- 243-4630 if you have questions about the use of this guide or the proper selection and use and limi ta tions of any 3M respirators.

13 Oil: Any o f numer ous mineral, vegetable and f P- i or ntended Series Filters: A filter Particulate Filter Definitions synthe tic substances and animal and vegetable remo y p val of an article including fats that are generally slippery, com bus ti ble, N-Series Filters: These filters are sols. They ma y be oil-based liquid aer o temperatures viscous, liquid or liquefiable at room restricted to use in atmospheres free of oil used for an y solid or liquid particulate soluble in various organic solvents such as ether aero sols. They ma y be used for any solid but not in water. airborne hazard. NIOSH requires that hazar d that or liquid airborne particulate respirator manufacturers establish Level Filter 95 does not contain oil. these Generally all P-series filters. time-use limita tions for At least 95% filtration efficiency filters should be used and reused subject 3M recommends that in atmospheres per the NIOSH 42 CFR 84 test of hygiene, to con sid erations only containing oil aerosols, P-series filters method. damage, and increased breathing should be used and reused for no 100 Filter Level resistance. more than 40 hours of use or 30 days, At least 99.97% filtration efficiency the filter occurs first, unless whichever A filter intended R-Series Filters: per the NIOSH 42 CFR 84 test needs to be changed for hygiene for removal of any particle including method. is damaged, reasons, or becomes oil-based liquid aerosol. They may be used HEPA Filter ifficult to breathe through before the d for any solid or liquid airborne particulate tration efficiency l At least 99.97% fi time limit is reached. When used in hazard. If the atmosphere contains oil, the per the NIOSH 42 CFR 84 test atmospheres containing non-oil aerosol, R-series filter should be used only for a method. Filter class for powered 3 M P-series filters should be used and single shift (or for 8 hours of continuous or . air purifying respirators (PAPRs) only reused subject to conditions of hygiene, intermittent use). Use instead of N, R, P type filters. breathing damage and increased resistance. Filter Definitions 10 Particulate

14 11 How to Use this Guide If a respirator is being selected for a single specific process being used. For PAPRs, use a HEPA filter instead of the N, R compound listed in this guide with an air or P type particle filters listed in the guide. If air sampling data are not available and the respirator concentration not exceeding either sampling is not practical, historical If respiratory protection is required for an APF times the OEL, or the IDLH, the then or information from similar processes atmosphere with more than one chemical , you respirator in the Respirator column may identified analogous operations may be helpful for must follow the directions below for proper Descriptions of the respirator codes be selected. ting maximum exposures and calcula respirator selection. If you need help, call 3M may be found at the end of this guide. evaluating potential health effects. Record Technical Service at 1-800-243-4630. the airborne concentration(s) on the form is recommended If a respirator particulate filter Identify the air contaminants present in the 1. your own form. Go to Step 3. provided or with N95, N100, R95, P95 or respirator code (any workplace. Include chemical name and P100 in it) and a mineral, vegetable or synthetic oil as form. Classify particulate contaminants Is the airborne concentration unknown? 3. or other oily material is also present in the air, you oil or non-oil material. If the chemical is the same must select a respirator that provides , go to Step 16. yes a) If help, listed in this guide, it is classified. For but is acceptable for oil aerosols (see efficiency b) If , go to Step 4. no he material safety oil. T see definition of example, if a Oil definition given previously). For data sheet (MSDS) can be helpful with this Is the oxygen concentration less than 4. respirator is being selected for beryllium dust at a step. Consider particulate contaminants as 19.5% or does the potential exist for the the concentration 2 times the exposure limit, oil if unkno wn or not sure. List the oxygen concentration to fall below 19.5%? If an oil . guide lists N95 mist is present (air contaminants on the form contained in this concentration greater than 0.1 mg/m3, but less yes , go to Step 16. a) If guide or on your own form. Go to Step 2. an R- exposure limit) either than the occupational b) If , go to Step 5. no must or P-series filter be selected, even though Determine the air concentration of the 2. Is the chemical listed in the guide? 5. respiratory protection is not needed for the oil contaminant. Air sampling is highly mist. recommended. Consideration should be a) If yes , go to Step 6. short term and peak given to TWA, no b) If , go to Step 15. (ceiling) exposures, while keeping in mind seasonal and worker variability and the

15 6. ratio is less than 25. (3) A full facepiece Record the IDLH value and the value from If a PAPR is selected, use a HEPA filter if an that has been quantitatively fit the form provided or the OEL column on respirator N, R, or P-series filter is listed. If the guide hazard tested may on one you created. Determine the be used with cartridges and/or be used. lists SA or S A(F), a PAPR cannot Using this ratio (see page 1) and record. the Respirator column. If a filters listed under If a gas or vapor respirator is selected, information, determine which condition tor is selected, cartridge gas or vapor respira cartridge change schedules based on situation: describes your change schedules based on objective data objective data must be established. must be established. Otherwise supplied Otherwise supplied air respirators must Does the airborne concentration exceed a) d the air respira tors must be used. Recor be used. The service life of gas or vapor yes the IDLH value? If , go to Step 16. respirator you selected in the last column of cartridges should be considered to b) Does the hazard ratio exceed that chemical. Go to Step 10. orm for the f determine if supplied air respirators are a (>) 1000? better selection given the high exposure o to Step 16. If yes , g If the hazard ratio is less than or equal to 10: 9. concentrations. Record the respirator you c) Does the hazard ratio exceed (>) 50?If listed in the Select the respirator type selected in the last column of the form for yes , go to Step 7. Respirator vapor respirator column. If a gas or that chemical. Go to Step 10. Does the hazard ratio exceed (>) 10? d) is selected, cartridge change schedules based yes If , go to Step 8. on objective data must be established. 8. If the hazard ratio exceeds 10 but is less than Is the hazard ratio less than or equal e) tors must be Otherwise supplied air respira 50, select one of the following respirators: yes , go to Step 9. to (≤) 10? If used. Record the respirator you selected in the (1) If the guide lists SA or SA(F), a supplied f the form for that chemical. Go last column o air respirator must be used. Loose fitting 7. If the hazard ratio exceeds 50, but is less to Step 10. facepieces may only be used if the hazard than 1000: Select one of the following than 25. (2) A powered air ratio is less respirators: (1) a full facepiece, helmet or 10. Are any other air contaminants present at purifying respirator (PAPR) may be used (2) a full hood supplied air respirator or the same time? with the cartridge and/or filter type listed facepiece, helmet or hood powered air a) If , go to Step 2 and repeat the yes under column. Use a HEPA the Respirator purifying respirator (PAPR) with the same rocedure, recording the appropriate p filter if is listed. Loose an N, R, P-series filter cartridge type as listed in the guide under information for the next chemical. When fitting facepiece may only be used if the column. the Respirator two or more contaminants that act upon hazard 12 How to Use This Guide

16 13 must still be considered when choosing the the same organ system are present, SA is one of the If SA(F) or appropriate filter.) consideration should be given to the respirators listed, this respirator must combined effect rather than individual be selected over all others. If any of , a respirator with either an a) If yes ® effects. Consult the current TLVs the respirator codes contain the (F) R- or P-series or HEPA filter must be and documentation published by the designation, respirators with half R-series filters must be selected. American Conference of Governmental facepieces cannot be used unless the changed after 8 hours use or after Industrial Hygienists for more appropriate eye protection is also xposed to is loaded with or e respirator information and the appropriate formula. If worn. no air-purifying respirator 200 mg of aerosol. The manufacturer’s If combined effects are considered, protection required, will provide the must be time recommendation service calculate the hazard ratio for the mixture. SA(F) . Go to Step 17. SA select or P-series filters. Record followed for the , go to S b) If no tep 11. respirator with the R- or P -series filter b) If no , record the respirator listed that is being selected. Go to Step 14. Are any of the respirators listed in the last 11. selected as the final respirator , go to Step 14. no b) If column a particulate filter respirator (i.e., (bottom line). Go to Step 17. does it have an N, R or P filter?)? 14. Was more than one respirator type If the chemical is not listed in the guide, 15. a) If , go to S tep 12. yes for the specific exposure situation required either it is a pesticide or an occupational , go to S b) If no tep 14. than one respirator code (i.e., is there more If an exposure limit was not located. included in the list made in the Are only N-series particulate filter 12. acceptable exposure level is not known, a last column of the form?)? respirator(s) listed? respirator cannot be recommended. If you a) , note all respirators yes If have an exposure level for the material a) If yes , go to S tep 13. recommended. If your list contains and would like help, go to Step 17. If no tep 14. no , go to S b) If ir- more than one respirator and all are a exposure limit is known, go to Step 16. purifying respirators, select the one 13. Is airborne oil mist present at a with the highest assigned protection 16. These conditions (unknown, <19.5% than 0.1 mg/m³ concentration greater (see page 2) and one that factor oxygen, airborne concentration >IDLH) but less than the value in the OEL column removes all of the contaminants, if are generally considered as IDLH or the of the guide? (If a respirator is not being available. Select either a hazard ratio exceeds 1000. selected for oil, the presence of the oil positive pressure self-contained breathing

17 apparatus (SCBA) or combination Do you need help? 17. respirator consisting of a positive pressure If a) , call 3M for assistance at yes supplied air respirator with an auxiliary 1-800-243-4630. SCBA. The rated duration of the auxiliary b) no , order the selected respirator(s) If SCBA should be sufficient to allow from your local safety equipment adequate time for escape. Record the distributor. respirator selected in the final row of the form. This is the minimum acceptable level of respiratory protection; the selection process is finished. If you need help, go to Step 17. Respirator Selection Form Respirator Hazard Air OEL Chemical Name IDLH Type Ratio Concentration Respirator Selected: 14 14

18 15 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( IDLH Chemical Name OEL C A omments PF x OEL and IDLH) CAS # Synonym (ppm) (ppm) (F)OV TWA=200 ( OSHA ) Multigas cartridge Ace Acetaldehyde de, Ethanal 10000 tic aldehy (F)MG C=25 recommended for longer 75-07-0 service life TWA=1 Ethanamide N95 Acetamide OV/ See comment D on 60-35-5 page 8 (inhalable fraction and vapor) TWA=10 1000 E tic Acetic acid (F)OV/AG thanoic acid, Glacial ace acid, Methane carboxylic acid, 64-19-7 STEL=15 Vinegar acid (F)OV Acetyl Acetic acid anhydride, TWA=1 1000 Acetic anhydride STEL=3 108-24-7 oxide, Ethanoic anhydride OV . Short service life opanone, Dimethyl ketone, 2 20000 TWA=250 -Pr Acetone 3M 3530 Monitor STEL=500 Ketone propane 67-64-1 22000 TWA=2 (AIHA) OV 2 -Cyano-2-propanol, Acetone STEL=5 (AIHA) 2-Hydroxy-2-methyl cyanohydrin 3 C=5 mg/m pr 75-86-5 opanenitrile, (as CN) 2-Methyllactonile, 2-Propane -skin- cyanohydrin, a-Hydroxy isobutyronitrile TWA=20 4000 Acetonitrile thane, Ethane OV 3M 3530 Monitor Cy anome 75-05-8 -skin- nitrile, Ethyl nitrile, Methanecarbonitrile, Methyl cyanide

19 See comment E on OV TW A=10 Acetophenone 1-Phen thanone, Acetyl yle 98-86-2 benzene, Benzoyl methide, page 8 Methyl phenyl ketone 3 A spirin ylic acid TWA=5 mg/m N95 Acetylsalic 50-78-2 ) # 1 ( TWA=0. 5 Acrylaldehy (F)OV Short service life de, Acrolein Acrylic aldehyde, 107-02-8 C=0.1 Allylaldehyde, Propenal -skin- 3 See comment D on TW OV/N95 A=0.03 mg/m Acrylamide monomer, Acrylamide openamide (inhalable fraction 79-06-1 Acrylic amide, Pr page 8 and vapor) -skin- 24000 Acr (F)OV openoic acid Acrylic acid TWA=2 oleic acid, Pr -skin- 79-10-7 500 TW AN, Pr OV SA if cartridge not A=2 Acrylonitrile openenitrile, -skin- Vinyl cyanide disposed of after shift, 107-13-1 per 29 CFR 1910.1045. 3M 3510 monitor. 3 TWA=5 mg/m 1,4-B xylic acid, Adipic acid utanedicarbo (F)N95 1,6-Hexanedioic acid, Adipinic 124-04-9 acid, Hexanedioic acid Chemical Compound Guide 16

20 17 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) TWA=2 17000 1,4-D Adiponitrile y ddipic OV ic anobutane, A acid dinitrile, Hexanedinitrile, 111-69-3 -skin- Tetramethylene cyanide 2 150 TW Allyl alcohol A=0.5 (F)OV 3M 3510 Monitor -Propen-1-ol, 2-Propenol, Vinyl carbinol 107-18-6 -skin- 44000 TWA=0.1 (F)OV opene; 1-Propene; 1-Br 2 -pr omo- Allyl Bromide 3-bromo-; 2-Propenyl 106-95-6 STEL=0.2 bromide; 3-Bromo-1- -skin- propene; 3-Bromopropene; 3-Bromoproylene Short service life OV TWA=1 Allyl chloride opene, 1-Chlor 300 2 -pr o- STEL=2 3-Chloropropene 1 107 -05- -skin- (F)OV TWA=1 1- 270 Allyl glycidyl ether 2,3-epoxy-propane, xy - Allylo C=10 (OSHA) AGE 3 106-92 - STEL=1 (AIHA) anate, Allyl oc AITC, Allyl SA if used with acids OV y isosulf Allyl isothiocyanate thiocarbanimide, Oil of mustard, 57-06-7 -skin- 3-Isothiocyanate-1-propene 2 TW Allyl propyl disulfide A=0.5 (F)OV -Propenyl propyl disulfide, Onion oil, Propyl allyl disulfide 2179-59-1

21 3 TWA=15 mg/m alpha-Alumina N95 ) 1344-28-1 # ( 3 N95 m mg/ TWA=15 Aluminum metal and # ( ) insoluble compounds 3 7429-90-5 TW A=1 mg/m fraction) (respirable 3 p-Aminobenzoic acid (F)N95 4-Aminobenzoic acid, TWA=5 mg/m (AIHA) Aminobenzoic acid, PABA 150-13-0 OV a-Aminopyridine 5 TWA=0.5 2-Aminopyridine 504-29-0 3 ATMP, Briquest 301-32S, TWA=10 mg/m If heated, AG cartridge Aminotri AG/N95 may be needed (AIHA) (methylenephosphonic Briquest 302-500, Dequest acid) 2000, Dequest 2001, Nitrilotrimethanephosphonic 6419-19-8 acid, NTF, NTMP, NTPA Ammonia Anhydrous ammonia 500 TWA=25 Irritation also (F)AM STEL=35 arning provides w 7664-41-7 3 TWA=10 mg/m Ammonium chloride AM/N95 3 (liquids) STEL=20 mg/m 12125-02-9 3 Ammonium chloride N95 TWA=10 mg/m 3 (solids) STEL=20 mg/m 9 12125-02- 18

22 19 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( IDLH Chemical Name OEL C A omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) 3 Ammonium OV/N95 TWA=0.01 mg/m #ee co==ent  on -skin- perfluorooctanoate @17e Ǯ 3825-26-1 1-Pen TWA=100 (AIHA) (F)OV tanol, Amyl alcohol, n-Amyl alcohol n-Butyl carbinol, n-Pentanol, 71-41-0 Pen tanol, Pentyl alcohol tert-Amyl OV A=20 T TW AME methyl ether 994-05-8 OV 100 Aniline Aminobenzene, Aniline TWA=2 oil, -skin- 62-53-3 Phenylamine 3 3 50 mg/m 2-Methoxyaniline, o-Anisidine OV/P95 TWA=0.5 mg/m 90-04-0 o-Aminoanisole, -skin- o-Methoxyaniline (oil) 29191-52-4 3 3 4-Methoxyaniline, p- 50 mg/m OV/N95 p-Anisidine TWA=0.5 mg/m Aminoanisole -skin- 104-94-9 (solid) p-Methoxyaniline 29191-52-4 3 3 80 mg/m TWA=0.5 mg/m N95 Antimony and compounds (as Sb) 7440-36-0

23 3 3 Arsenic, elemental TWA=0.01 mg/m N100 100 mg/m 7440-38-2 3 3 100 mg/m No half MG/N100 mask respirators TWA=0.01 mg/m Arsenic, inorganic for arsenic trichloride compounds because of skin (except arsine) (as As) adsorption. N100 may vapor be appropriate if concentrations are below exposure limits 3 Arsenic, organic TWA=0.5 mg/m OV/N100 MG/N100 may be compounds (as As)  # required for certain ) organic arsenic compounds Arsine Unknown sorbent (F)SA TWA=0.005 6 Arsenic hydride, Arsenic effectiveness trihydride, Arseniuretted 7784-42-1 hydrogen, Arsenous hydride, Hy ogen arsenide dr Asbestos N100 TWA= 0.1 f/cc Dual cartridge as per Actinolite, Amosite, (respirable fibers) 29 CFR 1910.1001, 1332-21-4 Anthophyllite, Chrysotile, 1915.1001 and 1926.1101 Crocidolite, Tremolite 3 TWA=0.5 mg/m OV/P95 Asphalt (petroleum; Asphaltic bitumen, Asphaltum, a lone ma y be R or P95 bitumen) fumes Bitumen, Hot mix asphalt, (inhalable fraction suitab le for some Mineral pitch, Petroleum asphalt, as benzene-soluble 8052-42-4 See applications. Road asphalt, Road tar aerosol) comment  on page 8 20

24 21 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym 3 3 TWA=0.5 mg/m Barium and soluble N95 1100 mg/m compounds (as Ba) 7440-39-3 3 TW N95 Barium sulfate A= 5 mg/m (inhalable fraction) 7727-43-7 l, Benzoic Benzenecarbona Benzaldehyde (F)OV TWA=2 (AIHA) 100-52-7 STEL=4 (AIHA) e, Oil of bitter almond aldehyd if cartridges are SA Benz tar OV 3000 TWA=0.5 naptha ol, Coal Benzene t the not replaced a 71-43-2 STEL=2.5 start of each shift, per -skin- 20 CFR 1910.1028. 3M 3510 Monitor 3 #ee co==ent  on Benz TWA=0.5 mg/m Benz OV/N95 yl benzene, D ophenone iphenyl o (AIHA) 119-61-9 ketone, Diphenyl methanone, @17e Ǯ Phen yl ketone C=0.1 trichloride Benz Benzen o yl trichloride, (F)OV 98-07 -7 Benzenylchloride, Benzoic -skin- trichloride, Benzyl trichloride, Phenyl chloroform, Toluene trichloride, Trichloromethylbenzene

25 C=0.5 (F)OV/AG Benzoyl chloride de, a-Chlor obenzaldehy Benzene carbonyl chloride, (F)MG 98-88-4 Benz oic acid chloride 3 3 D ibenzoyl peroxide Benzoyl peroxide 7000 mg/m OV/N95 TWA=5 mg/m See comment D on 94-36-0 page 8 Benzyl aceta TWA=10 OV/N95 te Ace tic acid benzyl ester, Acetic acid phenylmethyl ester, 140-11-4 Phen ylmethyl acetate a-Hydroxytoluene, TW AIHA) (F)OV Benzyl alcohol A=10 ( 85> ylcarbinol, 100-51-6 Phenylmethanol Benzyl chloride a-Chlorotoluene 10 TWA=1 (F)OV/AG See comment E on 100-44-7 page 8. 3 M 3510 Monitor 3 10 mg/m Beryllium and TWA=0.00005 N95 See OSHA standard 3 (inhalable mg/m compounds (as Be) 1910.1024 regarding fraction) 7440-41-7 PAPRs requested by 3 mg/m =0.00 STEL 2 employee (OSHA) -skin- 3 yl, Phenylbenzene 300 mg/m D Biphenyl OV/N95 TWA=0.2 iphen 92-52-4 22

26 23 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) CAS # (ppm) Synonym 3 N95 TWA=10 mg/m Bismuth telluride Bismuth sesquitelluride 3 (undoped) TWA=5 mg/m # , respirable ( 1304-82-1 fraction) 3 Bismuth telluride N95 TWA=5 mg/m (Se-doped) (as Bi Te ) 3 2 3 TWA=2 mg/m N95 Borofax, Boron trihydroxide, Boric acid 10043-35-3 Hydrogen orthoborate, Kill-off, (inhalable fraction) 3 Orthoboric acid, Three Kjel-sorb STEL=6 mg/m elephant, Trihydroxyborane (inhalable fraction) 3 Boron oxide N95 Anhydrous boric acid, Boric TWA=10 mg/m 1303-86-2 anhydride, Boric oxide Boron bromide 0.7 C= Boron tribromide (F)AG 10294-33-4 C=0.7 loride ch tri Boron (F)AG Trichloroboron 10294-34 - 5 STEL=0. 1 100 Boron trifluoride (F)AG 7637-07-2 0.7 C= (F)AG Irritation also .1 10 TW A=0 Bromine provides warning STEL=0.2 7726-95-6

27 TW A=0.1 AG Bromine pentafluoride 7789-30-2 (F)OV Tribr Bromoform thane TWA=0.5 3M 3510 Monitor omome 75-25-2 TW omide, OV n-Pr A=0.1 opylbr 1-Bromopropane Propylbromide 106-94-5 20000 B thylene, Divinyl, TWA=1 ) ( # ie 1,3-Butadiene OV Cartridges must be Erythrene 106-99-0 STEL=5 (OSHA) replaced, per 29 CFR 1910.1051 Butane STEL=1000 16000 n-Butane, SA Short OV service life Methylethyl methane 106-97-8 Short service life OV TWA=250 1-B utene, 1-Butene utylene, a-B a-Butylene, But-1-ene, 106-98-9 E thylethylene OV TWA=250 Short service life b-B utylene, 2-Butene (mixture utene, b-B Dimethylethylene, of trans- and cis-) Pseudobutylene 107-01-7 Short service life OV TWA=250 b-cis-B 1,2- cis-2-Butene utylene, cis- 590-18-1 Dimethylethylene, cis-Butene, cis-Butene-2 24

28 25 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym Short service life OV TWA=250 2 trans-2-Butene utene,(E)-; 2-trans-Butene, -B b-trans-Butylene, trans-1,2- 624-64-6 Dimethylethylene, trans-Butene ® 2-Butoxyethanol TW (F)OV , Ethylene 700 Butyl Cellosolve A=20 See comment E on glycol monobutylether 111-76-2 page 8 Ace tic acid, 2-butoxyethyl ester; TWA=20 8800 OV 2-Butoxyethyl acetate 2-Butoxyethanol acetate; Butyl 112-07-2 Cellusolve acetate; Butylglycol acetate; EGBA; Ektasolve EB acetate; Ethylene glycol monobutyl ether acetate; Glycol monobutyl ether acetate TWA=50 See comment E on (F)OV utyl 10000 n-Butyl acetate Ace tic acid butyl ester, B STEL= 150 M 3510 page 8. 3 acetate, Butyl ethanoate 123-86-4 Monitor. sec-Butyl acetate 1-Methylpropylacetate See comment E on (F)OV 10000 TWA=50 105-46-4 page 8. 3 M 3510 STEL= 150 Monitor. 50 TWA= 10000 tert-butyl ester tert-Butyl acetate (F)OV 3M 3510 Monitor Ace tic acid 540-88-5 STEL=150 TW 15000 3M 3510 Monitor A=2 OV openoic acid butyl ester, 2 Butyl acrylate -Pr Butyl 2-propenoate 141-32-2

29 3M 3510 Monitor (F)OV TWA=20 8000 dr 1-B n-Butyl alcohol utanol, 1-Hy oxybutane, 71-36-3 Butyl alcohol, Butyl hydroxide, Butyric alcohol, Methylolpropane, n-Butanol, n-Propyl carbinol, Propyl methanol sec-Butyl alcohol 2 utanol, Me thyl ethyl carbinol TWA=100 (F)OV 3M 3510 Monitor 10000 -B 78-92-2 2 thyl- 2-propanol, TBA, tert-Butyl alcohol TWA=100 3M 3510 Monitor 8000 -Me (F)OV 75-65-0 Trimethyl carbinol AM not specifically 1- utylamine AM 2000 Aminobutane, n-B C=5 Butylamine approved, but 3M 109-73-9 -skin- recommended for longer service life 3 (F)OV/N95 TWA=2 mg/m ime 2,6-bis( Butylated 1,1-D thylethyl)-4- #ee co==ent  on (inhalable fraction methylphenol; 2,6-Di-tert-butyl- hydroxytoluene @17e Ǯ and vapor) p-cresol; BHT; DBPD 128-37-0 3 C= 2 mg/m 4-tert-Butylcatechol 4-( ime (AIHA) (F)N95 1,1-D thylethyl)-1,2- 98-29-3 -skin- benzenediol; 4-tert-Butyl pyrocatechol; 4-tert-Butyl-1-1,2- dihydroxy benzene; p-tert- Butylcatechol 3 3 5 mg/m TWA=0.00 N95 tert-butyl ester Chr tert-B 30 mg/m omic acid di- utyl ( # ) chr omate (as CrO ) 3 3 1 mg/m C=0. 1189-85-1 -skin- 26

30 27 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments Synonym (ppm) CAS # (ppm) Short service life OV TWA=2 (AIHA) utene oxide; 1,2-Butylene 1,2 Butylene oxide -B oxide; 1,2-Epoxybutane; 106-88-7 1-Butene oxide; BO; Epoxy- butane n-Butyl glycidyl 1,2 OV -Epoxy-3-butoxypropane, 3M 3510 Monitor TW 3500 A=3 ether BGE -skin- 2426-08-6 TW Lactic acid butylester 11500 n-Butyl lactate A=5 Irritation also OV 138-22-7 provides warning 2500 TW A=0.5 OV Butyl mercaptan 1-Mercapt obutane, n-Butanethiol 109-79-5 OV/P95 2 TWA=5 utylphenol -sec-B o-sec-Butylphenol -skin- 89-72-5 3M 3510 Monitor 1-Me OV tert-butylbenzene 1000 TWA=1 thyl-4- p-tert-Butyltoluene 98-51-1 (F)Form TWA=25 (AIHA) 19000 B utaldehyde, Butalyde, Formaldehyde Butyraldehyde utal, B Butanal, Butanaldehyde, 123-72-8 cartridge not Butylaldehyde, Butyral butyric specifically approved, aldehyde but 3M recommended for longer service life

31 3 3 N100 Cadmium oxide fume 9 mg/m Cadmium and TWA=0.002 mg/m compounds (as Cd) (fume) fraction) (respirable 3 mg/ TWA=0.00 5 7440-43-9 50 mg/m 3 ) ( m # 3 3 Calcium arsenate 100 mg/m Cucumber dust, Tricalcium N100 TWA=0.01 mg/m arsenate, Tricalcium o-arsenate (as As) 7778-44-1 3 N95 Limest Calcium carbonate TWA=15 mg/m one, Marble 1317-65-3 ) OSHA 3 TWA= 5 mg/m ( , respirable # fraction) 3 Calcium chromate Calcium N95 chrome yellow TWA=0.001 mg/m (as Cr) 13765-19-0 3 Calcium cyanamide Calcium carbimide, Lime N95 TWA=0.5 mg/m 156-62-7 ogen nitr 3 F luorospar TWA= 2.5 mg/m N95 Calcium fluoride luorite, F (as F) 7789-75-5 3 Calcium hydroxide N95 Calcium hy TWA=5 mg/m te, Caustic lime, dra Hydrated lime 1305-62-0 28

32 29 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name IDLH OEL C A PF x OEL and IDLH) omments (ppm) (ppm) Synonym CAS # 3 Pebble lime, Quicklime Calcium oxide N95 TWA=2 mg/m 1305-78-8 3 Calcium hydrosilicate, N95 TWA=1 mg/m Calcium silicate Wollastonite (containing no asbestos and <1% cry staline silica) 1344-95-2 3 N95 G Calcium sulfate ypsum, Plaster of Paris TWA=10 mg/m 7778-18-9 le fraction) (inhalab 3 TWA= 5 mg/m ( , respirable # fraction) 3 Camphor 200 mg/m 2 TWA=2 3M 3510 Monitor (F)OV/N95 -Camphonone, Gum 76-22-2 STEL=3 camphor, Laurel camphor, S ynthetic camphor 3 2-Oxohexamethylenimine, OV/N95 14000 TWA=5 mg/m Caprolactam #ee co==ent  on Aminocap roic lactam 105-60-2 (inhalable fraction @17e Ǯ and vapor) 3 Captan N95 N-(Trichlor TWA=5 mg/m omethylthio)-4- (inhalable fraction) 133-06-2 cyclohexene-1,2-dicarboximide

33 3 TWA=3 mg/m Ace N95 Carbon black tylene black, Channel black, (inhalable fraction) 1333-86-4 F urnace black, Lamp black, Thermal black Carbonic acid gas, Dry Carbon dioxide TW ts A=5000 SA Ineffective sorben 50000 ice STEL=30000 124-38-9 TWA=1 500 Short service life OV Carbon bisulfide, Carbon Carbon disulfide 75-15-0 bisulfur, Carbon bisulphide, C=30 (OSHA) Carbon disulphide, Carbon -skin- sulfide, Dithiocarbonic dride, Sulphocarbonic anhy anhydride, Weevitox Carbon mono xide ts xide 1500 TWA=25 SA Ineffective sorben Mono 630-08-0 Te omome (F)OV A=0.1 thane omide trabr Carbon tetrabr TW STEL=0.3 558-13-4 3M 3510 Monitor (F)OV Te ome TWA=5 trachlor Carbon tetrachloride thane 300 STEL=10 56-23-5 C=25 (OSHA) -skin- Carbonyl fluoride TW Carbon o A=2 (F)MG xyfluoride, F oformyl fluoride STEL=5 353-50-4 luor SA TWA=5 Carbon mono xide monosulfide, Carbonyl sulfide 463-58-1 Carbon o xide sulfide, Carbon oxysulfide, Oxycarbon sulfide 30

34 31 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name OEL IDLH A C omments PF x OEL and IDLH) Synonym CAS # (ppm) (ppm) OV/N95 Pyrocatechol Catechol TWA=5 14000 -skin- 120-80-9 3 TWA=10 mg/m Paper fiber N95 Cellulose 3 9004-34-6 TWA= 5 mg/m , respirable # ( fraction) 3 Cesium fluoride (as F) TWA=2.5 mg/m N95 13400-13-0 3 Cesuim hydrate TWA=2 mg/m N95 Cesium hydroxide 21351-79-1 3 TWA=0.5 mg/m [R-(R*,R*)]-2,2-dichloro-N- N95 Chloramphenicol [2,hydroxy-1-(hydroxy methyl)-2- 56-75-7 (AIHA) (4-nitrophenyl)ethyl] acetamide; Chloromycetin; Levomycetin 3 Chlorinated TWA=0.5 mg/m Hexachlorodiphenyl oxide OV/P95 diphenyl oxide 31242-93-0 AG (F) 30 TWA=0.5 Chlorine Irritation also STEL=1 7782-50-5 provides warning C=1 (OSHA)

35 10 TW Chlorine dioxide Chlorine oxide, A=0.1 AG STEL=0.3 Chlorine peroxide 10049-04-4 20 Chlorine fluoride C=0 MG 1 . Chlorine trifluoride 7790-91-2 C=1 100 2 oethanal, (F)OV Chloroacetaldehyde -Chlor Chloroacetaldehyde 107-20-0 (40% aqueous) (F)OV Chlorace Chloroacetone one, 1-Chloro-2- C=1 t -skin- 78-95-5 propanone, Monochloroacetone Chlorace tyl chloride TWA=0.05 (F)OV/AG Chloroacetyl chloride STEL=0.15 79-04-9 -skin- TW 2400 3M 3510 Monitor OV ol, MCB, Chlor A=10 Chlorobenzene obenz Monochlorobenzene, 108-90-7 Phenyl chloride OV TWA=200 5000 Chlorobromomethane Bromochloromethane, CBM, ™ Halon 1011, Methylene 74-97-5 chlorobromide Short OV service life SA TWA=1000 (AIHA) 1-Chloro-1,1- a-Chlor thylidene fluoride, oe difluoroethane Chlorodifluoroethane, ® ™ 75-68-3 Dymel 142b, Genetron 142b, HCFC-142b 32

36 33 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym ® Freon Chlorodifluoromethane 22 TWA=1000 SA Ineffective sorbents 75-45-6 3 3 See comment D on PCB, P ted biphenyl 10 mg/m TWA=1 mg/m (F)OV/P95 Chlorodiphenyl olychlorina (42% chlorine) -skin- page 8 53469-21-9 3 3 PCB, P 5 mg/m ted biphenyl TWA=0.5 mg/m Chlorodiphenyl olychlorina (F)OV/P95 See comment D on (54% chlorine) -skin- page 8 11097-69-1 Trichlor Short service life . 1000 TWA=10 omethane OV Chloroform C=50 (OSHA) 3M 3510 Monitor 67-66-3 (F)OV TWA=3 (AIHA) BCIPE; bis-(1-methyl-2- bis-(2- Chloroisopropyl ) chloroethyl) ether; bis-2- ether chloro-1-methylethyl ether; 39628-32-9 Dichloroisopropyl ether bis-Chloromethyl OSHA requires SA (F)OV TWA=0.001 omethoxy) BCME, Chlor o (chlor with hood for certain methane, Chloromethyl ether, ether applications; see Dichloromethylether 542-88-1 29 CFR 1910.1003

37 FC-115, TWA=1000 SA Short OV service life Chloropenta- fluoroethane Monochloropentafluoroethane 76-15-3 Irritation also (F)SA TWA=0.1 4 Chloropicrin Nitr oform, ochlor 76-06-2 Nitrotrichloromethane, provides warning Trichloronitromethane 2 b-Chloroprene -Chloro-1,3-butadiene, beta- 400 TWA=1 (F)OV Short service life 126-99-8 -skin- Chloroprene, Chlorobutadiene Short service life 2 OV -Propyl chloride, Isoprid, TWA=50 (AIHA) 2-Chloropropane -CP, 2 Isopropyl chloride 75-29-6 TWA=1 1-Chlor 2-hydroxypropane, OV o- 1-Chloro-2-propanol 1-Chloroisopropyl alcohol, sec- 127-00-4 -skin- Propylene chlorohydrin TW A=1 1-Hy OV 2-Chloro-1-propanol droxy-2-chloropropane, 78-89-7 -skin- 2-Chloropropanol, 2-Chloropropyl alcohol, Propylene chlorohydrin a-Chlor opropionic acid OV/AG TWA=0.1 2-Chloropropionic -skin- acid 598-78-7 1-Chlor OV o-Chlorostyrene o-2-ethenylbenzene, 3M 3510 Monitor TWA=50 STEL=75 2039-87-4 2-Chlorostyrene 34

38 35 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3 hydrolysis Chlor HCl, SO A Chlorosulfonic acid (F)AG/N95 (AIHA) C=0 .1 mg/m osulfuric acid, CS 2 products 7790-94-5 service life Short OV SA TWA=1000 (AIHA) 2-Chloro- 1,1,1,2- Chlor te trafluoroethane, o tetrafluoroethane Fluorocarbon 124, HCFC124, HFA124 2837-89-0 oluene o-Chlorot o- 2 OV 3M 3510 Monitor 1-methylbenzene TWA=50 -Chlor 95-49-8 service life Short OV SA TWA=5 (AIHA) CFE, CTFE, Chlorotrifluoroethylene ochlor 79-38-9 oethylene, Trifluor Trifluorovinylchloride 3 .5 mg/m TW Chromium II N95 A=0 (OSHA) as Cr) compounds ( 7440-47-3 3 .5 mg/m TW A=0 N95 Chromium metal and Cr III compounds (as Cr) 7440-47-3 3 01 mg/m TWA=0. Chromium compounds, N95 Cr VI insoluble compounds (as Cr) 7440-47-3

39 3 3 TWA=0.005 mg/m N95 Chromium 30 mg/m Chromic acid compounds, (OSHA) water soluble Cr VI compounds ( not otherwise classified) (as Cr) 7440-47-3 Chromyl chloride Chlor omic anhy o-chr dride, AG TWA=0.025 14977-61-8 Chromium oxychloride -dime 2,6-Octadienal- OV/P95 3,7 Citral TWA=5 (inhalable thyl; #ee co==ent  on 5392-40-5 3,7-Dimethyl-2,6-octadienal fraction and vapor) @17e Ǯ -skin- 3 N95 May also contain Coal dust, Anthracite TW A=0.4 mg/m crystaline silica (quartz) (respirable fraction) 3 TWA=0.9 mg/m Coal dust, Bituminous or N95 May also contain Lignite crystaline silica (quartz) (respirable fraction) 3 3 P te polyc Coal tar pitch volatiles TWA=0.2 mg/m Respirators with R95 yclic aromatic 700 mg/m articula P95 nuisance level hydrocarbons, PPAH (as Benzene solubles) organic vapor or acid 65996-93-2 gas relief specifically recommended 36

40 37 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name IDLH OEL C A PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym 3 3 20 mg/m Cobalt, elemental and N95 TWA=0.02 mg/m inorganic compounds (as Co) 7440-48-4 3 Cobalt carbonyl (as Co) SA Ineffective sorbents TWA=0.1 mg/m 10210-68-1 3 TW . Ineffective sorbents SA Cobalt hydrocarbonyl A=0 1 mg/m (as Co) 16842-03-8 3 TWA=0.15 mg/m "eCpiratorC Gith Coke oven emissions R95 ( # ) nuiCance leFel P95 65996-93-2 or7anic Fapor or acid 7aC relie6 Cpeci6ically recommended 3 Copper dust and mist TWA=1 mg/m N95 as Cu) ( 7440-50-8 3 N95 Copper fume (as Cu) . TW 1 mg/m A=0 ( # ) 7440-50-8

41 3 Cotton dust, raw N95 5X PEL maximum for TWA=0.1 mg/m (thoracic fraction) disposables, per OSHA cotton dust standard. If oil aerosol present, use R or P95 3 Cresol (all isomers) OV/P95 A=20 mg/m Cres ylic acid 250 TW #ee co==ent  on 1319-77-3 (inhalable fraction @17e Ǯ and vapor) -skin- Crot onaldehyde TWA=2 ( # ) (F)OV b-Me olein, Cr thylacr 400 otonic C=0.3 4170-30-3 aldehyde, Propylene aldehyde 3 3 Greenland spar, Ice one N95 TWA=2.5 mg/m 500 mg/m t Cryolite (as F) 15096-52-3 2 -Phenyl propane, Cumol, 8000 Cumene TWA=50 3M 3510 Monitor OV 98-82-8 Isopropyl benzene TWA=1 (AIHA) a,a (F)OV ’-Dimethylbenzyl Cumene -skin- hydroperoxide, CHP, hydroperoxide Cumyl hydroperoxide, Isopropyl 80-15-9 benzene hy droperoxide 3 Cyanamide Carbodiimide, Cy A=2 mg/m N95 TW anogenamide 420-04-2 38

42 39 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3 3 TWA=5 mg/m 50 mg/m Cyanides (as CN) SA -skin- C=5 MG D Cyanogen an, Oxalonitrile 66000 y ic 460-19-5 Cyanogen bromide Bromine cyanide C=0.3 (F)SA 506-68-3 C=0 CNCl (F)SA Short OV service life .3 Cyanogen chloride 506-77-4 10000 He Irritation also provides (F)OV TWA=100 ahydrobenzene, Cyclohexane x 110-82-7 Hexamethylene warning. 3M 3510 Monitor. TWA=50 3500 Cyclohexanol OV Anol, Cyclohexyl alcohol, See comment E on -skin- Hexahydrophenol, Hexalin, 108-93-0 page 8. 3 M 3510 Hydralin, Hydroxycyclohexane Monitor. OV 3M 3510 Monitor Cyclohe TW 5000 xyl ketone, A=20 Cyclohexanone Pimelic ketone 108-94-1 STEL=50 -skin-

43 dride 10000 Benzene te Cyclohexene TWA=300 OV 3M 3510 Monitor trahy 110-83-8 x Aminoc TWA=10 ane, 15000 (F)OV Cyclohe yclohe xylamine 108-91-8 Hexahydroaniline 3 TWA=0.5 mg/m N95 ahy He dro-1,3,5-trinitro-sym- Cyclonite x 121-82 -4 -skin- triazine, RDX, sym-Trimethylene trinitramine 1,3-Cylclopen Cyclopentadiene tadiene 2000 TW A=75 OV Short service life 542- 92-7 11000 thylene Pen Short OV service life TWA=600 SA tane Cyclopen tame 287- 92-3 3 100 mg/m TWA=0.05 SA Unkno wn sorbent Decaborane 17702-4 STEL=0.15 1-9 effectiveness -skin- 3 TWA=5 mg/m bis-(Pentabromophen N95 yl) Decabromodiphenyl ether, DBDPO, oxide (AIHA) yl e Decabr ther 1163-19-5 omodiphen 1-Decene a-Decene, Dec A=100 ( AIHA) OV 5000 TW ylene -05-9 872 AIHA TW ) OV A=2 ( Dehydrolinalool 29171-20-8 40

44 41 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments Synonym (ppm) CAS # (ppm) 2 Diacetone alcohol 2100 TW -Methyl-2-pentanol-4-one, A=50 (F)OV 3M 3510 Monitor 123-42-2 4-Hydroxy-4-methyl- 2-pentanone, Diacetone Diacetyl B TWA=0.01 OV/P95 iacetyl, 2,3-Butanedione, 431-03-8 STEL=0.02 Dimethylglyoxal, Dimethyl diketone, 2,3-Diketobutane Diallylamine Di-2-propenylamine, N-2- OV TWA=1 (AIHA) -skin- propenyl-2-propen-1-amine 124-02-7 Azime Unknown sorbent Diazomethane thylene, Diazirine 2 TWA=0.2 SA 334-88-3 effectiveness Bor Diborane oethane TWA=0.1 SA Unknown sorbent 40 19287-45-7 effectiveness (F)SA ) OSHA 1 ( TWA=0.00 OSHA requires (F)SA; 1,2 -Dibromo-3-chloropropane, Dibromochloro- no change schedule 1-Chloro-2,3-dibromopropane, propane allowed DBCP 96-12-8 3 (F)R95/P95 R95/P95 acceptable Dibromoneopenytl D ibromopentaerythritol TWA=0.2 mg/m with appropriate eye/ (AIHA) Glycol face protection 3296-90-0

45 See comment E on i-n- C=5 (AIHA) (F)OV Dibutylamine 1-B utanamine, n-butyl; D -skin- 111-92-2 butylamine; DNBA page 8 Dibutylaminoethanol, TWA=0.5 (F)OV 2-N- N,N-Dibutyl-N-(2-hydroxyethyl) Dibutylaminoethanol -skin- amine 102-81-8 OV/P95 may be DBPP .3 TW R95 Dibutyl phenyl A=0 P95 preferable if heat -skin- phosphate involved 2528-36-1 3 TW 125 Dibutyl phosphate Dibutyl acid-o-phosphate, A=5 mg/m OV/P95 See comment D on Dibutyl phosphoric acid, 107-66-4 (inhalable fraction page 8 Di-n-butyl hydrogen phosphate and vapor) -skin- 3 3 Dibutyl phthalate 9300 mg/m xylate, 1,2 TWA=5 mg/m OV/P95 -Benzene dicarbo See comment D on DBP, Dibutyl 84-74-2 page 8 TWA=0.5 Dichlor (F)OV/AG 2-Dichloroacetic acid; Acetic 2 oacetic acid - -skin- 79-43-6 acid, dichloro; Dichloroethanoic acid; Urmer’s liquid D C=0.1 (F)SA Short OV service life Dichloroacetylene ichloroethyne 7572-29-4 (F)OV See comment E on ichlorobenzene, TWA=25 1000 1,2 o-Dichlorobenzene -D STEL=50 page 8. 3 M 3510 95-50-1 o-Dichlorobenzol C=50 (OSHA) Monitor 42

46 43 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments (ppm) Synonym (ppm) CAS # 1,4-Dichlorobenzene, p-Dichlorobenzene TW 1000 (F)OV/N95 3M 3510 Monitor A=10 Dichloricide, P DCB, 106-46-7 1,4-DCB, 2 (F)OV -Butylenedichloride, TWA=0.005 1,4-Dichloro- 2-butene DCB, dichlorobutene -skin- 764-41-0 ® Freon TWA=1000 12, Refrigerant 12 Short OV service life SA 50000 Dichlorodi- fluoromethane 75-71-8 3 OV/N95 1,3-Dichloro-5,5- Dactin, Halane TWA=0.2 mg/m 3 STEL=0.4 mg/m dimethyl hydantoin 118-52-5 1,1-Dichloroethane E Short service life thylidene chloride 4000 TWA=100 OV 75-34-3 Ace OV TWA=200 4000 tylene dichloride, Dioform Short service life 1,2-Dichloroethylene 540-59-0 156-59-2 156-60-5

47 (F)OV 250 TW ichlorodiethyl ether; bis- Dichloroethyl ether 2,2’ A=5 -D STEL=10 (2-Chloroethyl) ether 111-44-4 C=15 (OSHA) -skin- 1,1-Dichloro-1- Fluorocarbon 141b, SA TW Short OV service life AIHA) A=500 ( fluoroethane HCFC 141b, HFA 141b STEL=3000 (AIHA 5 minute) 1717-00-6 Dichlorofluoromethane 50000 Short OV service life SA Dichloromonofluoromethane, TWA=10 ® 21, Refrigerant 21 Freon 75-43-4 TW 150 A=2 OV 1,1-Dichloro-1- C=10 (OSHA) nitroethane 594-72-9 2,4-DCP, DCP TW 2,4-Dichlorophenol R or P95 may also OV A=1 (AIHA) 120-83-2 -skin- be needed if material is molten 1,3-Dichlor (F)OV 1,3-D opropylene opropene 53000 TWA=1 ichlor -skin- 542-75-6 3 ™ D alapon TWA=5 mg/m (F)OV/N95 2,2-Dichloropropionic (inhalable fraction) acid 75-99-0 ® FC Dichlorotetra- 114, -114, Freon SA TWA=1000 50000 Short OV service life ™ Halon fluoroethane 242, Refrigerant 114 76-14-2 44

48 45 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # Dicyclopentadiene 8000 TW OV/N95 A=5 77-73-6 3 bis-Cyclopentadienyl ir on (as Fe) N95 TWA=10 mg/m Dicyclopentadienyl 3 iron (as Fe) TWA=5 mg/m 102-54-5 (OSHA, respirable fraction) See comment E on Diesel fuel (as total A TW stral oil, Coal oil, Fuel oil, A=100 (inhalable OV/P95 hydrocarbons) Gas oil, Home heating oil, fraction and vapor) page 8 Marine diesel fuel 68334-30-5 -skin- 68476-30-2 68476-31-3 68476-34-6 77650-28-3 3 See comment E on 16000 TWA=1 mg/m OV/N95 ihydroxydiethylamine, Diethanolamine 2,2’ -D (inhalable fraction Butadiene Dioxide, DEA, 111-42-2 page 8 and vapor) Diolamine, N,N-Diethanolamine, di-(2-Hydroxyethyl)amine, -skin- 2,2’-Iminobisethanol

49 AM not specifically Diethylamine TW (F)AM 2000 A=5 (F)OV STEL=15 approved, but 109-89-7 -skin- 3M recommended for longer service life 2-Diethylaminoethyl alcohol, 2- Diethylaminoethanol 500 TW A=2 OV N,N-Diethylethanolamine 100-37-8 -skin- OV TWA=5 (AIHA) 1,2 -Diethylbenzene, Diethylbenzenes, mixed 1,3-Diethylbenzene, 25340-17-4 1,4-Diethylbenzene, DEB, ™ Dowtherm J 3 Diethylene glycol D and G See comments R95 TW 2,2’ -Dihydroxydiethyl ether, A=10 mg/m (AIHA) P95 on @17e Ǯ 111-46-6 DEG, Digycol Butoxy diethylene glycol, Diethylene glycol (F)OV/P95 TWA=10 (inhalable #ee co==ent  on ® Butoxydiglycol, Butyl Carbitol monobutyl ether fraction and vapor) @17e Ǯ 112-34-5 OV TWA=25 (AIHA) 12000 2-(2-Ethoxyethoxy) ethanol, Diethylene glycol ® Carbitol monoethyl ether , DiEGEE, Diethylene glycol ethyl ether, Dioxitol, Ethyl 111-90-0 ® Carbit ol , Glycol ether DE Diethylene triamine 20000 TW A=1 (F)OV 111-40-0 -skin- OV TWA=2 DEHA N,N- Diethylhydroxylamine 3710-84-7 46

50 47 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name IDLH OEL C A PF x OEL and IDLH) omments (ppm) (ppm) Synonym CAS # 3-Pen thyl pr Diethyl ketone OV opionyl, 16000 TWA=200 tanone, E STEL=300 96-22-0 Metacetone, Propione 3 R95 te 7000 TW DEP, E A=5 mg/m Diethyl phthala thylphthala te P95 84-66-2 DFBM, D Difluorodibr o- omo- ibromodifluor Short service life OV TWA=100 2500 ® methane methane, Freon 12B2 75-61-6 ® Dymel TWA=1000 (AIHA) SA Ineffective sorbents 152a, Ethylidene 1,1-D thane ifluoroe ® ™ 75-37-6 fluoride, Freon 152a, Genetron 152a, HFC-152a thane D ifluorome Hydrofluor Ineffective sorbents ocarbon 32, R32, SA TWA=1000 (AIHA) 75-10-5 Refrigerant 32 TWA=0.01 25 (F)OV xypr 2 opyl ether, bis- -Epo iglycidyl ether D (2,3-Epoxypropyl)-ether, DGE, C=0.5 (OSHA) -5 2238-07 Di-(epoxypropyl) ether, Diallyl e dio xide ther D Diisobutylene OV 75 (AIHA) iisobutene TWA= (mixed isomers ) 25167-70-8

51 2,4,4- thyl-1-pentene, a-Diisobutylene TWA=75 (AIHA) OV Trime 107-39-1 a-Diisobutene 2,4,4- thyl-2-pentene, TWA=75 (AIHA) OV Trime b-Diisobutylene 107-40-4 b-Diisobutene TWA=25 2000 (F)OV thyl-4-heptanone, 2,6-D See comment E on Diisobutyl ketone ime 108-83-8 Isovalerone, sym- 3 M 3510 page 8. Diisopropylacetone, Valerone Monitor. Diisopropylamine 1000 TWA=5 (F)OV -skin- 108-18-9 400 TW thyl OV A=10 DMAC, N,N-D ime Dimethyl acetamide acetamide -skin- 127-19-5 Anhy AM ous dimethylamine 2000 TWA=5 AM not specifically dr Dimethylamine STEL=15 124-40-3 approved, but 3M recommended for longer service life bis-(2- DMAEE; Ethylamine, (F)OV TWA=0.05 D 2,2”-Oxybis (N,N-dimethyl); imethylaminoethyl) STEL=0.15 ® Niax ether -skin- Catalyst A-99 3033-62-3 Dimethylaniline OV N,N-Dimethylaniline 100 TWA=5 STEL=10 121-69-7 -skin- 48

52 49 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL C A omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) TWA=0.005 Dimethyl carbamoyl Chloroformic acid (F)MG chloride dimethylamide, Dimethyl -skin- carbamic chloride, 79-44-7 Dimethylcarbamyl chloride, DMCC Dimethyldichlorosilane Dichlorodimethylsilane C=2 (AIHA) OV/AG 75-78-5 TWA=0.5 2,3-Dithiabutane, OV/AG Dimethyl disulfide 624-92-0 Dimethyldisulfide, -skin- Dimethyldisulphide, DMDS Methyl ether, Wood ether 34000 Dimethyl ether TWA=1000 (AIHA) SA Short OV service life 115-10-6 Unknown sorbent (F)SA TWA=0.5 Ethoxydimethyl silane imethylethoxysilane D STEL=1.5 effectiveness 14857-34-2 OV 3500 TWA=10 Dimethyl formamide DMF, N,N-Dimethyl formamide -skin- 68-12-2 (F)AM 50 TWA=0.01 UDMH, 1,1-Dimethylhydrazine -skin- unsym-Dimethylhydrazine 57-14-7

53 3 3 #ee co==ent  on TWA=5 mg/m OV/P95 Dimethylphthalate DMP 9300 mg/m 131-11-3 @17e Ǯ Dime TWA=10 thane, thiobis; Thiobis DMS; OV/AG AG recommended since thyl sulfide Me (methane) 75-18-3 H2S may also be present Dimethyl sulfoxide DMSO, Me oxide TWA=250 (AIHA) OV thylsulf 67-68-5 TWA=0.1 Me te 10 (F)OV Dimethylsulfate thyl sulfa -skin- 77-78-1 3 TWA=5 mg/m Dimethyl terephthalate OV/N95 1,4-Benzene dicarboxylic acid, (AIHA) dimethyl ester; Dimethyl para- 120-61-6 phthalate; DMT OV TWA=0.5 (AIHA) N,N-Dimethyl-para- 4-Dimethylaminotoluene, DMPT, N,N,4-trimethylaniline, toluidine N,N,4-Trimethylbenzenamine 99-97-8 3 200 mg/m 1,2 Dinitrobenzene OV/N95 TWA=0.15 -Dinitrobenzene, -skin- 1,3-Dinitrobenzene, 528-29-0 1,4-Dinitrobenzene, 99-65-0 m-Dinitrobenzene, 100-25-4 o-Dinitrobenzene, 25154-54-5 p-Dinitrobenzene 3 2 TWA=1 mg/m 3,5-Dinitro-o- -Methyl-3,5-dinitrobenzamide, N95 toluamide Coccidin, Dinitolmide, Salcostat, 148-01-6 Zoalene 50

54 51 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH C A PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) 3 3 DNT Dinitrotoluene TWA=0.2 mg/m 200 mg/m OV/N95 #ee co==ent  on -skin- 25321-14-6 @17e Ǯ 3 3000 TWA=5 mg/m Di-sec-octyl phthalate bis(2 R95 thylhexyl) phthalate, -E DEHP, Di-2-ethylhexyl phthalate, 117-81-7 P95 DOP OV TWA=20 1,3-D ioxacyclopentane; 1,3-Dioxalane 646-06-0 1,3-Dioxalan; 1,3-Dioxole, dihydroethylene glycol formal; Dioxalane; Formal glycol; Glycol methylene ether; Glycolformal Dioxane TWA=20 2000 OV 3M 3510 Monitor 1,4-Dioxane, Diethylene dioxide, Diethylene ether, -skin- 123-91-1 p-D ioxane 3 OV/N95 may be N95 DP TWA=10 mg/m Diphenylamine A, N-Phenylaniline preferable when odor 122-39-4 is a problem Dipropylene glycol bis(2-Methoxypropyl) ether, 11000 OV TWA=100 methyl ether Dipropylene glycol monomethyl STEL=150 ™ ether, Dowanol -skin- 34590-94-8 50B

55 A=50 OV 4-Heptanone, B Dipropyl ketone TW utyrane 123-19-3 D ylstyrene 11000 TWA=10 (F)OV VB, Vin Divinyl benzene 1321-74-0 R or P filter may be OV TWA=0.1 1-Dodecane Dodecyl mercaptan thiol, needed with oily 112-55-0 1-Mercaptododecane, aerosols n-Dodecyl mercaptan, n-Lauryl mercaptan ™ Dowtherm 1,1-Diphenylethane with TWA=1 (AIHA) OV/P95 Q ethylated benzenes 3 N95 Corundum TWA=15 mg/ m Emery 1302-74-5 # ) ( 3 A=1 TW mg/m (respirable fraction) Enflurane 2-Chloro-1,1,2-trifluoroethyl SA TWA=75 service life. Short OV difluoromethyl ether; Ethrane 13838-16-9 3M 3510 monitor TW (F)OV 250 3M 3510 Monitor .5 A=0 1-Chlor Epichlorohydrin xypropane, o,2,3-epo -skin- 2-Chloropropylene oxide, 106-89-8 gamma-Chloropropylene oxide 3 ™ Do Erythromycin tycin, E-Mycin N95 , Ericynum, TWA=3 mg/m 114-07-8 Erycin, Pentadecanoic acid (AIHA) 52

56 53 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # dride, Me E Ethane Simple asphyxiant, thyl methane thylhy 74-84-0 oxy gen displacing gas TW 1000 Aminoe 2 Ethanolamine thanol, OV A=3 - 141-43-5 2-Hydroxyethylamine, STEL=6 b-Aminoethyl alcohol, Ethylolamine, Monoethanolamine ® TWA=5 6000 Cellosolve solvent, Ethylene 3M 3510 Monitor OV xyethanol 2-Etho 110-80-5 glycol monoethyl ether, Glycol -skin- monoethyl ether ® Cellosolve 3M 3510 Monitor TWA=5 2500 acetate, Ethylene OV 2 xyethyl -Etho acetate -skin- glycol monoethyl ether acetate 111-15-9 TW 10000 Ace E thyl aceta tic ether, te A=400 (F)OV 3M 3510 Monitor tic ester, Ace 141-78-6 Ethyl ethanoate (F)OV 3M 3510 Monitor TW Acrylic acid e A=5 thyl acrylate thyl ester 2000 E STEL=15 140-88-5 -skin-

57 STEL=1000 OV Short OV service life E Ethyl alcohol 15000 thanol 64-17-5 AM not specifically (F)AM drous 4000 TWA=5 Aminoe thane, Anhy Ethylamine STEL=15 approved, but ethylamine, Monoethylamine 75-04-7 -skin- 3M recommended for longer service life Ethyl amyl ketone 5-Methyl-3-heptanone, EAK 3000 TWA=10 (F)OV 541-85-5 See comment E on Ethyl benzene Phenylethane Ethylbenzol, 2000 TWA=20 OV page 8. 3M 3510 100-41-4 Monitor. Short OV service life Br SA thane 3500 TWA=5 Ethyl bromide omoe -skin- 74-96-4 TW 3-Heptanone 3000 OV See comment E on Ethyl butyl ketone A=50 75 STEL= 106-35-4 page 8 20000 TW Short OV service life SA Chlor thane, Hydrochloric A=100 oe Ethyl chloride -skin- ether, Monochloroethane 75-00-3 OV TWA=0.2 2 ano-2-propenoic acid, -Cy Ethyl cyanoacrylate ethyl ester; 2-Cyanoacrylic 7085-85-0 acid, ethyl ester; ECA; Ethyl 2-cyano-2-propenoate; Ethyl 2-cyanoacrylate; Ethyl alpha- cyanoacrylate 54

58 55 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym CAS # (ppm) (ppm) TWA=25 OV 1,1-Dimethyl ethyl ether; Ethyl tert-butyl ether 637-92-3 2-Ethoxy-2-methylpropane; ETBE; Ethyl 1,1-dimethylethyl ether; Ethyl tert-butyl oxide; tert-Butyl ethyl ether (F)SA TWA=200 Ethylene Acetene, Bicarburretted 74-85-1 hydrogen, Elayl, Ethene, Olefiant gas OV 3M 3510 Monitor 10 C=1 2-Chloroethanol, Ethylene chlorohydrin -skin- 2-Chloroethyl alcohol 107-07-3 1,2-Diaminoethane, 2000 TWA=10 (F)OV Ethylenediamine 1,2-Ethanediamine 107-15-3 (F)OV TWA=20 OSHA ) 400 1,2-Dibromoethane Ethylene dibromide C=30 (OSHA) 106-93-4 -skin- 3M 3510 Monitor OV TWA=10 1000 1,2-Dichloroethane, Ethylene dichloride C=100 (OSHA) Ethylene chloride 107-06-2 1,2-Ethanediol 32000 Ethylene glycol OV/P95 D and G See comments 25 TWA= on page 8 (vapor fraction) 107-21-1 STEL 0 5 = vapor fraction ( ) 3 ST EL =10 mg/m inhalable particulate matter ( )

59 3 Glycol dinitra OV te, Nitroglycol 500 mg/m Ethylene glycol TWA=0.05 C=0.2 (OSHA) dinitrate -skin- 628-96-6 E TWA=0.05 100 (F)MG OSHA thyleneimine Aminoe requires SA thylene, Azirane, Aziridine, D droazirine, ihy 151-56-4 STEL=0.1 with hood for certain D imethylenimine, Ethyleimine -skin- applications; see 29 CFR 1910.1003 (F)S 800 1,2 E A TWA=1 imethylene xide xye OSHA requires (F)SA; no thane, D -Epo thylene o STEL=5 (OSHA) oxide, Oxirane 75-21-8 change schedule allowed. 3M 3550 Monitor. OV Short service life. thyl e Ethyl ether ther, Ethyl oxide 19000 TWA=400 D ther, E ie STEL=500 3M 3530 Monitor 60-29-7 E STEL=100 E thanoa thyl formate ormic acid (F)OV 8000 Short service life te, F thyl me ethyl ester 109-94-4 3 TWA=5 mg/m OV/N95 2 utylbutanoic acid, -B 2-Ethylhexanoic acid #ee co==ent  on -Ethylcaproic acid, 149-57-5 (inhalable fraction 2 @17e Ǯ 2-Ethylhexoic acid, and vapor) Butylethylacetic acid, Ethylhexoic acid ENB TW Ethylidene A=2 (F)OV norbornene STEL=4 16219-75-3 56

60 57 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments Synonym (ppm) CAS # (ppm) Short service life OV Ethyl isocyanate yanatoethene; Isocyanic TWA= 0.02 ppm I soc STEL= 0.06 ppm acid, ethyl ester 109-90-0 -skin- Short service life E OV thiol, Ethyl sulfhydrate 2500 Ethyl mercaptan TWA=0.5 thane C=10 (OSHA) 75-08-1 N-Ethylmorpholine 4-Ethylmorpholine TWA=5 (F)OV 2000 100-74-3 -skin- E 1000 TWA=10 OV orthosilicate, Tetraethoxy- thyl Ethyl silicate 78-10-4 silane, Tetraethyl silicate 3 TW A=1 mg/m Ferrovanadium dust N95 3 12604-58-9 STEL=3 mg/m 3 N95 TWA=0.5 mg/m Flour dust (inhalable fraction) 3 3 500 mg/m N95 TWA=2.5 mg/m (Synonyms vary depending Fluorides (as F) upon specific compound.) ) # TWA=0. 1 ( 25 (F)SA Unknown reaction Fluorine STEL=2 7782-41-4 products with sorbent

61 (F)Form thylene oxide 30 F Formaldehyde Irritation also 1 TWA=0. ormalin, Me provides warning. 50-00-0 STEL=2 (OSHA) C=0.3 3M 3720 Monitor Me Formamide OV A=10 thanamide TW -skin- 75-12-7 Low IDLH ogencarboxylic acid, (F)AG TWA=5 Hy 30 dr Formic acid STEL=10 (F)Form Methanoic acid 64-18-6 0. TWA= 250 2 3M 3510 Monitor (F)OV 2 uraldehyde, Furfural -F 1 -skin- 2-Furancarboxaldehyde, 98-01- Fural, Furfuraldehyde See comment E on 2 (F)OV Furfuryl alcohol 250 TWA= 0.2 -Hydroxymethylfuran, 98-00-0 2-Furylmethanol page 8 -skin- Gallium monoarsenide TW Gallium arsenide .0003 A=0 N100 3 1303-00-0 mg/m (respirable fraction) Gasoline (F)OV Petrol 14000 TWA=300 STEL=500 86290-81-5 Germane, Germanium hy Unknown sorbent dride TWA=0.2 (F)SA Germanium effectiveness tetrahydride 7782-65-2 58

62 59 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH C A PF x OEL and IDLH) omments Synonym (ppm) CAS # (ppm) Glutaraldehyde 1,5-Pen tanedial C=0.05 (F)OV See comment E on 111-30-8 page 8 3 R95 Glycer TWA= 5 mg/m ol Glycerin mist P95 56-81-5 # , respirable ( fraction) OV TWA=2 500 2,3-Epo Glycidol xy-1-propanol; 556-52-5 2-Hydroxymethyloxiran; 3-Hydroxypropylene oxide; Epoxypropyl alcohol; Hydroxymethyl ethylene oxide TWA=0.5 (AIHA) Glycidyl 1-Pr OV opanol, 2-3, epoxy-, -skin- ethacrylate; 2,3-Epoxypropyl methacrylate methacrylate; 2-Methyl-2- 106-91-2 propenoic acid, oxiranylmethyl ester; GMA; Methacrylic acid, 2,3-Epoxypropyl ester 3 Short OV service life at (F)OV/N95 TWA=0.1 mg/m 1,2 Glyoxal -Ethanedione, Biformyl, 10X OEL. See comment (inhalable fraction 107-22-2 Diformyl, Ethanedial, E in Help document. and vapor) Glyoxalaldehyde, Oxalaldehyde 3 Grain dust (oat, N95 TW A=4 mg/m wheat, barley)

63 3 Graphite (natural) TWA=2 mg/m N95 B lack lead, Corbo minerals, Plumbago, Potelot, Silver lead 7782-42-5 (respirable fraction) 3 N95 m TWA=15 mg/ Graphite (synthetic) 7440-44-0 OSHA ) ( 3 TWA=2 mg/m (respirable fraction) 3 Hafnium and compounds TW .5 mg/m N95 A=0 (as Hf) 7440-58-6 OV 2 TWA=50 omo-2-chloro-1,1,1- Halothane Short service life. -Br 3M 3510 Monitor trifluoroethane 151-67-7 ǩ 0.00ǫ m7 m TWA= ǯǫ Hard metals containin7 thoracic fraction co2alt and tun7sten n-Heptane, normal Heptane 5000 TW 3M 3510 Monitor A=400 OV Heptane (all isomers) STEL=500 142-82-5 590-35-2 565-59-3 108-08-7 591-76-4 589-34-4 3 Perchlor TWA=0.002 mg/m obenzene Hexachlorobenzene N95 118-74-1 -skin- He Hexachlorobutadiene xachloro-1,3-butadiene; TWA=0.02 (F)OV 87-68-3 -skin- Perchlorobutadiene 60

64 61 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym TW Hexachlorocyclo- A=0.01 (F)OV pentadiene 77-47-4 Hexachloroethane thane 300 TWA=1 OV/N95 Perchlor oe -skin- 67-72-1 3 3 ™ Halo wax 1014 2 mg/m OV/N95 TWA=0.2 mg/m Hexachloro- #ee co==ent  on naphthalene -skin- @17e Ǯ 1335-87-1 1- 1,4-Hexadiene TWA=10 (AIHA) OV Allylpropene 592-45-0 1,1,1,3,3,3-He SA afluoro-2- Short OV service life TWA=0.1 x Hexafluoroacetone -skin- 684-16-2 propanone FC Ineffective sorbents SA TWA=1000 (AIHA) -236fa, FE-13, HFC-236fa, 1,1,1,3,3,3- Hydrofluorocarbon 236fa Hexafluoropropane 690-39-1

65 SA TWA=0.1 Short OV service life afluor Hexafluoropropylene 1,1,2,3,3,3-He o- x opene; 116-15-4 1-pr 1,1,2,3,3,3-Hexafluoropropylene; Fluorocarbon 1216; Hexafluoropropene; HFP; Perfluoro-1-propene; Perfluoropropene; Perfluoropropylene 3 #ee co==ent  on C=0.005 mg/m ahydrophthalic Hex OV/N95 1,2 xylic x -Cyclohe anedicarbo anhydride (inhalable fraction acid anhydride; @17e Ǯ and vapor) 1,2-Cyclohexanedicarboxylic (all isomers) anhydride; 85-42-7 1,3-Isobenzofurandione, 13149-00-3 hexahydro; Cyclohexane-1,2- 14166-21-3 dicaboxylic anhydride, cis and trans mixture; Hexahydro- 1,3-isobenzofurandione; Hexahydrophthalic acid anhydride; HHPA; HHPAA Hexamethylene V/N95 O HDI TWA=0.005 diisocyanate 822-06-0 ane He Hexane (n-hexane) dride, Normal he 5000 TWA=50 OV 3M 3510 Monitor x xyl hy -skin- 110-54-3 62

66 63 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH A C PF x OEL and IDLH) omments Synonym (ppm) CAS # (ppm) Short service life. 12000 Hexane TW OV A=500 3M 3510 Monitor STEL=1000 (other isomers) TWA=0.5 OV/N95 1,6-D xane, 1,6-Hexanediamine iaminohe 124-09-4 Hexamethylenediamine, HMD, HMDA 3 Hexanediol diacrylate TW HDODA; Propenoic acid, A=1 mg/m OV/P95 See comment D on 1,6-hexanediol ester 13048-33-4 (AIHA) page 8 1-Hexene Short service life OV B thylene, Hex-1-ene, TWA=50 utyl e 592 -41-6 Hexene, Hexene-n-1, Hexylene (F)OV TWA=50 4000 1,3-D thylbutyl acetate, sec-Hexyl acetate ime See comment E on Methylamyl acetate, 108-84-9 page 8 Methylisoamyl acetate, Me thylisobutyl carbinol Hexylene glycol (F)OV /P95 13000 Irritation also TWA =25 2-Methyl-2,4-pentanediol provides warning (vapor fraction) 107 -41-5 STEL= 50 (vapor fraction) STEL= 10mg/m3 (inhalable particulate matter)

67 60% o Short service life OV TWA=750 (AIHA) f mixture is: 1-Methoxy- HFE-7100 2-trifluoromethyl-1,1,2,3,3,3- 163702-08-7 hexafluoropropane; 163702-07-6 1-Methoxyperfluoroisobutane 40% of mixture is 1-Methoxy-1,1,2,2,3,3,4,4,4- nonafluorobutane; 1-Methoxyperfluorobutane Hydrazine 80 TWA=0.01 Anhydrous hydrazine (F)AM -skin- 302-01-2 TW R95 A=0.5 Hydrogenated terphenyls P95 61788-32-7 acid HBr , Hydrobromic Not specifically AG 50 C=2 Hydrogen bromide 10035-10-6 approved for HBr C=2 100 Irritation also ochloric acid, AG HCl, Hy Hydrogen chloride dr provides warning Muriatic acid 7647-01-0 Hydrogen cyanide Hy (F)SA ocyanic acid, Prussic acid 50 C=4.7 Low IDLH dr -skin- 74-90-8 TW 30 (F)HF A=0.5 An drofluoric acid, Etching Hydrogen fluoride y acid, Fluoric acid, Fluorohydric 7664-39-3 C=2 acid, HF -skin- 64

68 65 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # Hydrogen peroxide Hy 75 TWA=1 (F)OV See Technical Data drogen dioxide, Peroxide 7722-84-1 Bulletin #185 Selenium hy Hydrogen selenide TWA=0.05 dride (F)MG 2 (as Se) 7783-07-5 Poor warning AG TWA=1 S, Hepatic gas, Hydrosulfuric 300 H Hydrogen sulfide 2 (olfactory fatigue) acid, Sulfuretted hydrogen STEL=5 7783-06-4 3 #ee co==ent  on Hydroquinone 1,4-Benzenediol, (F)OV/N95 TWA=1 mg/m 123-31-9 Dihydroxybenzene, Quinol @17e Ǯ 3 TW xybenzoic 4-Hydro A=5 mg/m (F)N95 acid (AIHA) 99-96-7 H OV TWA=0.5 PA 18000 2-Hydroxypropyl -skin- acrylate 999-61-1 TW Indonaphthene A=5 OV Indene 95-13-6 3 TW A=0.1 mg/m N95 Indium and compounds (as In) 7440-74-6

69 See comment E on TWA=0.01 (inhalable Iodides (F)MG/N95 fraction and vapor) page 8 See comment E on (F)MG/N95 10 lable TWA=0.01 (inha Iodine 7553-56-2 vapor) and fraction page 8 ( ) STEL=0.1 vapor (F)OV Iodoform Triiodomethane TWA=0.6 75-47-8 3 TWA=5 mg/m Burnt sienna, Burnt umber, N95 Iron oxide Ferric oxide, Hematite, 1309-37-1 (respirable fraction) Jeweler’s rouge, Rouge 3 N95 TWA=10 mg/m Iron oxide fume Ferric oxide fume 1309-37-1 ) OSHA ( 3 TWA= 5 mg/m (respirable fraction) Unknown sorbent SA TWA=0.1 Iron carbonyl Iron pentacarbonyl effectiveness STEL=0.2 (as Fe) 13463-40-6 3 TWA=1 mg/m Ferric chloride; Ferric nitrate; Iron salts, soluble N95 Ferric sulfate; Ferric/Ferrous (as Fe) salts, soluble; Ferrous chloride; Ferrous sulfate 66

70 67 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL C A omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) TWA=100 10000 3-Me 1-butanol, Fusel oil, Isoamyl alcohol (F)OV thyl- See comment E on 123-51-3 Isobutyl carbinol, Isopentyl STEL=125 page 8 alcohol STEL=1000 2 16000 Isobutane SA Short OV service life -Methyl propane, Methylpropane 75-28-5 Short service life OV TWA=250 thylethene, 1,1-D Isobutene ime 115-11-7 1,1-Dimethylethylene, 2-Methylpropene, 2-Methylpropylene, Isobutylene Isobutyl acetate 7500 thylpropyl acetate 2 -Me TWA=50 (F)OV 110-19-0 STEL= 150 thyl-1-propanol, IBA, 8000 TWA=50 (F)OV 3M 3510 Monitor 2 -Me Isobutyl alcohol 78-83-1 Isobutanol, Isopropylcarbinol C=1 (inhalable OV/N95 IBN; Nitr See comment E on ous acid, Isobutyl nitrite fraction and vapor) 2-methylpropyl ester; Nitrous 542-56-3 page 8 acid, isobutyl ester

71 TWA=25 (AIHA) Isobutyraldehyde 2 thyl-1-propanal, Short service life OV -Me 2-Methylpropanal, 78-84-2 2-Methylpropionaldehyde, Isobutanal, Isobutyl aldehyde, Isobutyric aldehyde, Valine aldehyde 3 TWA=10 mg/m N95 AM/N95 may be Triazine- Cy Isocyanuric acid anuric acid; s- preferable if wet 2,4,6(1H,3H,5H)-triione; 108-80-5 (AIHA) 3 s-Triazinetriol TWA=5 mg/m (AIHA, respirable fraction) Isooctyl alcohol I TWA=50 OV sooctanol 9000 -skin- 26952-21-6 3,5,5- thyl-2-cyclohexene- 800 C=5 OV See comment E on Isophorone Trime 78-59-1 1-one M 3510 page 8. 3 Monitor IPDI TW A=0.005 OV/N95 Isophorone diisocyanate 4098-71-9 3 N95 1,3-Benzenedicarbo Isophthalic acid TWA=10 mg/m xylic acid, IA, IPA, m-Phthalic acid 121-91-5 (AIHA) 3 TWA=5 mg/m (AIHA, respirable fraction) Isoprene Short service life OV TWA=2 (AIHA) 2 15000 thyl-1,3-butadiene -Me 78-79-5 68

72 69 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( IDLH Chemical Name OEL A C omments PF x OEL and IDLH) Synonym CAS # (ppm) (ppm) TWA=25 E opyl Isopropoxyethanol OV thylene glycol monoisopr ® 109-59-1 , ether, IPE, Isopropyl Cellosolve -skin- Isopropyl glycol TW I 16000 3M 3510 Monitor of acetic acid, sopropyl ester (F)OV A=100 tate Isopropyl ace 108-21-4 sec-Propyl acetate STEL=200 AM not specifically 2 Aminopr opane, (F)AM TWA=5 4000 I - sopropylamine (F)O STEL=10 V approved, but 31-0 75- Monoisopropylamine 3M recommended for longer service life N-Isopr opylaniline o-Aminoisopropylbenzene, TWA=2 OV -skin- 68-52-5 o-Isopropylaniline 7 opyl e D ther 10000 TWA=250 OV ther iisopr Isopropyl e STEL=310 108-20-3 1,2 TWA=50 1000 -Epoxy (F)OV -3-isopropoxy- Isopropyl propane, IGE, STEL=75 glycidyl ether 4016-14-2 Isopropoxymethyl-oxiran, I sopropyl epo xypropyl ether

73 3 Aluminium silica y TWA= 2 mg/m N95 te, China cla Kaolin (particles with (respirable fraction) no asbestos and <1% crystalline silica) 1332-58-7 3 TWA= 200 mg/m 7000 When aerosols present, OV/P95 Deobase, D Kerosene .1, iesel No add a particulate Fuel oil No.1, JP-4, JP-5, (applications with (as total hydrocabon prefilter JP-8, Kerosine, vapor) negligible aerosol) 8008-20-6 -skin- 64712-81-0 64742-81-0 Ketene Ineffective sorbents Carbomethene, Ethenone TWA=0.5 (F)SA STEL=1.5 463-51-4 3 3 100 mg/m TWA=0.01 mg/m N100 Lead arsenate (as As) 3687-31-8 3 3 Chr omates of lead, Chrome 30 mg/m N100 TWA=0.012 mg/m Lead chromate orange, Red lead chromate (as Cr) 7758-97-6 3 3 700 mg/m TWA=0.05 mg/m Lead, elemental and N100 inorganic compounds (as Pb) 7439-92-1 70

74 71 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) OV TWA=30 (AIHA) 1-Me 1-methylethenyl) d-Limonene thyl-4( cyclohexene, 4-Isopropyl-1- 5989-27-5 methlcyclohexene, Cajeputene, Cinene, p-Mentha-1,8-diene 3 Lithium fluoride (as F) TW N95 A=2.5 mg/m 7789-24-4 3 3 55 mg/m N95 C=0.05 mg/m Lithium hydride 7580-67-8 (inhalable fraction) 3 C=1 mg/m N95 (AIHA) Lithium hydroxide 1310-65-2 3 C=1. N95 (AIHA) 8 mg/m Lithium hydroxide monohydrate 1310-66-3 3 N95 D (AIHA) xide, Lithium Lithium oxide C=1 mg/m ilithium o monoxide 12057-24-8 TWA=1000 SA ) ( # 19000 Bo Mixture with LPG ttled gas, Liquefied 68476-85-7 petroleum gas compounds with short OV service life

75 3 N95 Magnesite Magnesium carbona TWA=15 mg/m te 546-93-0 ) ( # 3 TWA= 5 mg/m ( # , respirable fraction) 3 Magnesium Magnesia fume TW N95 A=10 mg/m (inhalable fraction) oxide fume 1309-48-4 TW 14000 . Maleic anhydride 2,5-F #ee co==ent  A=0 urandione, cis- 01 (Inhalable (F)OV/N95 utenedioic anhy 108-31-6 B dride, on @17e Ǯ fraction and vapor) Maleic acid anhydride 3 Properties SA MCT TW . of vapor Manganese A=0 1 mg/m -skin- cyclopentadienyl unknown tricarbonyl 12079-65-1 3 N95 TWA=0.1 mg/m Manganese, (inhalable fraction) elemental and inorganic 3 TWA=0.02 mg/m ) compounds ( as Mn (respirable fraction) 7 439-96-5 3 C= 5 mg/m (OSHA) 3 N95 2,4,6- Melamine TWA=10 mg/m 1,3,5- Triazine- triamine; (AIHA, inhalable 108-78-1 2,4,6-Triamino-1,3,5-triazine; fraction) Cyanuramide 3 TWA=5 mg/m (AIHA, respirable fraction) 72

76 73 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) CAS # (ppm) Synonym 3 N95 TWA=5 mg/m 2-Mercaptobenzo- 2-Benzothiazolethiol, thiazole (AIHA) 2-Benzothiazolylmercaptan, -skin- Benzothiazole-2-thione, 149-30-4 Mercaptobenzothiazole TWA=0.2 (AIHA) OV Mercaptoethanol 1-Hydroxy-2-mercaptoethane, 60-24-2 2-Hydroxy-1-ethanethiol, 2-Hydroxyethylmercaptan, 2ME, 2-Mercaptoethanol, 2-Thioethanol, Thioethyleneglycol, Thioglycol 3 3 10 mg/m Mercury, alkyl TWA=0.01 mg/m SA compounds (as Hg) -skin- 3 3 28 mg/m TWA=0.1 mg/m Dust with essentially no N95 Mercury, aryl compounds (as Hg) -skin- vapor pressure only 3 3 Mercury, inorganic 28 mg/m Dust with essentially TWA=0.025 mg/m N95 compounds (as Hg) pressure no vapor -skin- only. Hg/N95 for volatile liquids 3 3 Mercury, metallic Hg, Quicksilver 28 mg/m Hg TWA=0.025 mg/m mercury vapor -skin- 7439-97-6

77 5000 TW 3M 3510 Monitor A=15 (F)OV Mesityl oxide yl methyl ketone, I sobuten STEL=25 Isopropylidene acetone, 141-79-7 Methyl isobutenyl ketone a-Me (F)OV TWA=20 Methacrylic acid thacrylic acid 79-41-4 Simple asphyxiant, B iogas, Fire damp, Marsh Methane oxygen displacing gas 74-82-8 gas, Methyl hydride, R 50 (refrigerant) 2-Methoxyethanol Ethylene glycol monomethyl 3M 3510 Monitor 2000 TWA=0.1 OV ® ether, Methyl Cellosolve 109-86-4 -skin- E TWA=0.1 thylene glycol methyl ether 4000 2-Methoxyethyl 3M 3510 Monitor OV acetate acetate, Ethylene glycol -skin- 110-49-6 monomethyl ether acetate, ® Methyl Cellosolve acetate 3 N95 oquinone monomethyl TWA=5 mg/m 4-Methoxyphenol Hy dr 150-76-5 ether, p-Methoxyphenol 1-Pr provides Irritation also thoxy (F)OV TWA=5 (AIHA) opanimine, 3-me 3-Methoxypropyl (F)AM y be warning. AM ma STEL=15 (AIHA) amine preferred, but no t 5332-73-0 speci f ically approved Methyl acetate OV Ace Short service life thyl ester, Methyl TWA=200 10000 tic acid me STEL=250 acetic ester, Methyl ethanoate 79-20-9 74

78 75 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym TW Allylene, Pr Methyl acetylene A=1000 SA Short OV service life opyne 15000 74-99-7 15000 TWA=1000 MAPP tylene- Short OV gas, Methyl ace SA service life Methyl acetylene allene mixture, Propyne-allene STEL=1250 propadiene mixture mixture 59355-75-8 Me 3M 3510 Monitor TWA=2 thyl propenoa te 1000 (F)OV Methyl acrylate 33-3 -skin- 96- 2 thyl- 2-propenenitrile, SA TWA=1 20000 Me thylacrylonitrile -Me -skin- 7 126-98- Isoprene cyanide SA TWA=1000 15000 D tho xymethane, ime Methylal 109-87-5 Dimethylacetal formaldehyde, Formal, Methyl formal Methyl alcohol Short OV SA TW 25000 service life Carbinol, Methanol, A=200 W STEL=250 ood alcohol 67-56-1 -skin- TW Monome Methylamine A=5 (F)AM 100 thylamine STEL=15 74-89-5

79 OV Methyl amyl alcohol TWA=25 Me 2000 thyl isobutyl carbinol STEL=40 108-11-2 -skin- OV TWA=50 4000 Methyl n-amyl ketone 2 methyl -Heptanone, Amyl See comment E on ketone, Methyl amyl ketone, 110-43-0 page 8 n- Amyl methyl ketone Methylaniline TW 100 A=0.5 OV MA, Monomethyl 100-61-8 -skin- thyl aniline, N-Me aniline service life. Short OV (F)SA thane TWA=1 Br 2000 omome Methyl bromide 60928 cartridge/ Use of C=20 (OSHA) 74-83-9 filter recommended -skin- by 3M, not specifically methyl approved for bromide Methyl tert-butyl TW 25000 OV A=50 2,2 -Methoxy-2- Short service life. -MMOP, 2 methyl-propane, MTBE, 3M 3510 Monitor ether tert-Butyl methyl ether 1634-04-4 3M 3510 Monitor OV 2 -Hexanone, MBK 5000 TWA=5 tone Methyl n-butyl ke 591-78-6 STEL=10 -skin- SA Short OV service life thane 10000 TWA=50 Chlor Methyl chloride ome STEL=100 74-87-3 -skin- 76

80 77 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3M 3510 Monitor 1,1,1- OV oethane Methyl chloroform TWA=350 1000 Trichlor STEL=450 71-55-6 Mecryla (F)OV TWA=0.2 te Methyl 2-cyanoacrylate 137-05-3 OV Cyclohe Methylcyclohexane thane, TWA=400 10000 xylme Hexahydrotoluene 108-87-2 OV TWA=50 He 10000 ahydrocresols x Methylcyclohexanol 25639-42-3 2 Irritation also (F)OV -Methylcyclohexanone 2500 TWA=50 o-Methylcyclo- STEL=75 hexanone provides warning 583-60-8 -skin- 3 TW A=0.2 mg/m thylcyclo- 2-Me OV/N95 SA preferable if pentadienyl manganese heat involved -skin- tricarbonyl (as Mn) 12108-13-3 3 100 mg/m Methylene bisphenyl 4,4-Diphenylmethane TWA=0.005 OV/N95 isocyanate , Methylene- diisocyanate, MDI C=0.02 (OSHA) nyl isocyanate) bis-(4-phe 101-68-8

81 OSHA omethane, Methylene Methylene chloride 5000 TWA=25 ( # ) D (F)SA requires (F)SA; ichlor (OSHA) STEL=125 dichloride 75-09-2 no change schedule allowed. Short OV 3M 3530 service life. Monitor TW OV 4,4’-Methylene-bis- A=0.01 4,4'-Methylene-bis- (2-chloroaniline) -skin- (2-chlorobenzamine), 101-14-4 DACPM, MOCA OV/N95 .005 TW Methylene-bis(4- A=0 cyclohexylisocyanate) 5124-30-1 4,4'-Diaminodiphenylmethane Use OV/N100 if heat is N100 TWA=0.01 (OSHA) 4,4’-Methylene MDA involved. STEL=0.1 (OSHA) dianiline See 29 CFR -skin- 101-77-9 1910.1050. Methyl ethyl ketone 3M 3510 Monitor 2-Butanone, MEK 3000 TWA=200 (F)OV STEL=300 78-93-3 C=0 MEKP .2 (F)OV Methyl ethyl ketone peroxide 1338-23-4 2 Methyl ethyl TWA=10 (AIHA) -Butanone oxime, MEKO OV ketoxime 96-29-7 78

82 79 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name OEL IDLH C A omments PF x OEL and IDLH) (ppm) (ppm) Synonym CAS # 5000 TW Methyl formate F thyl ester, Short OV service life A=50 SA ormic acid me STEL=100 thyl methanoate 107-31-3 Me (F)AM Monome drazine 50 A=0.01 Me TW thyl hy thyl hydrazine C=0.2 (OSHA) 60-34-4 -skin- Methyl iodide I thane 800 Short OV service life. Use A=2 (F)SA odome TW -skin- 74-88-4 of 60928 cartridge/filter recommended by 3M, not specifically approved for methyl iodide. TW 10000 thyl-5-he 2 Methyl isoamyl ketone anone, (F)OV A=20 -Me x 5-Methyl-2-hexanone, MIAK STEL=50 110-12-3 He one, MIBK 3000 (F)OV 3M 3510 Monitor A=20 TW x Methyl isobutyl ketone STEL=75 10-1 108- SA Unkno t I y wn sorben TWA=0.02 thyl ester 20 yana anic acid,me soc te Methyl isoc STEL=0.06 624-83-9 effectiveness -skin- 2 3-Me Methyl isopropyl A=20 (F)OV thyl- -butanone, MIPK TW tone 563-80-4 ke

83 TW 400 Short service life OV .5 Methyl mercaptan thane, Mercapt A=0 ome Methanethiol, Methyl C=10 (OSHA) 74-93-1 sulfhydrate, Thiomethyl alcohol 4000 TWA=50 2 Methyl methacrylate -Methyl-2-propenoic acid OV 3M 3510 Monitor 80-62-6 methyl ester; Methacrylic STEL=100 acid,methyl ester; Methyl alpha- methyl-acrylate; Methyl-2- methyl-2-propenoate; Methyl-2- methylpropenoate; MMA a-Me 1-Methylnaphthalene TWA=0.5 OV/R95 thyl naphthalene, -skin- OV/P95 90-12-0 a-Methylnaphthalene TWA=0.5 b-Me OV/R95 2-Methylnaphthalene thyl naphthalene, OV/P95 -skin- b-Methylnaphthalene 91-57-6 5000 STEL=150 Methyl propyl ketone tanone, Ethyl acetone, (F)OV 3M 3510 Monitor 2 -Pen MPK 107-87-9 AIHA) TW 1-Me A=10 ( OV thyl-2-pyrrolidone, n-Methyl-2- -skin- m-Pyrol, n-Methyl Pyrrolidone, pyrrolidone NMP 872-50-4 Te tramethoxy silane TWA=1 (F)OV Methyl silicate 681-84-5 See comment E on 5000 TW 1-Me 1-phenylethylene, A=10 OV thyl- a-Methyl styrene AMS 98-83-9 page 8 80

84 81 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( IDLH Chemical Name OEL A C omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) Methyltrichlorosilane Trichlor (F)AG/N95 Irritation also omethylsilane C=1 (AIHA) provides warning 75-79-6 C=0.2 21000 Methyl vinyl ketone 3-B uten-2-one, 3-Butene-2- OV 78-94-4 one, Acetyl ethylene, d(3)-2- -skin- Butenone, g-Oxo-a-Butylene, Methyl vinyl acetone, Methylene acetone 3 TW N95 A=3 mg/m Mica (less than (respirable fraction) 1% quartz) 12001-26-2 3 R95 Liquid pe Mineral oil (pure, trolatum, Parrafin oil, TWA= 5 mg/m P95 highly and severely (inhalable particulate USP mineral oil, White mineral oil refined), e matter) xcluding metal working fluids 8012-95-1 3 Molybdenum and TWA=10 mg/m N95 insoluble compounds (inhalable fraction) 3 (as Mo) TWA=3 mg/m 7439-98-7 (respirable fraction)

85 3 Molybdenum, soluble TWA=0.5 mg/m N95 (respirable fraction) compounds (as Mo) 7439-98-7 Chlor Monochloroacetic TWA=0.5 (inhalable oethanoic acid, MCAA (F)OV/N95 See comment D on acid fraction and vapor) page 8 79-11-8 -skin- 8000 TW thylenimide oxide, D A=20 Morpholine (F)OV ie -skin- Tetrahyrdo-1,4-oxazine 110-91-8 Odor variable. (F)OV TWA=10 10000 ) 0 ( # Crude solvent coal tar naphtha, Irritation Naphtha (coal tar) High solvent naphtha, Rubber 8030-30-6 also provides warning. solvent Naphthalene hite tar 500 TWA=10 Naphthalin, OV W 3M 3 510 Monitor. See -skin- 91-20-3 comment E on page 8 Simple asphyxiant, Natural gas o 8006-14-2 xygen displacing gas. 3 TWA=0.0001 mg/m N95 Natural rubber latex Caoutchouc, India rubber, 9006-04-6 tural latex, Natural rubber, (inhalable fraction) Na NRL, Polyisoprene, Rubber -skin- Unknown sorbent (F)SA Nickel carbonyl (as Ni) TWA=0.001 Nickel tetracarbonyl 7 ) effectiveness ( # 13463-39-3 C=0.05 82

86 83 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym 3 N95 mg/m TWA=1 Nickel, elemental/metal compounds (as Ni) ( OSHA ) 3 5 mg/m TWA=1. 7440-02-0 (inhalab le fraction) 3 TWA=0.2 mg/m Nickel, insoluble N95 (inhalable fraction) inorganic compounds (not otherwise specified) (as Ni) 3 TWA=0.1 mg/m Nickel, soluble inorganic N95 (inhalable fraction) compounds (not otherwise specified) (as Ni) 3 Nickel subsulfide TW .1 mg/m N95 A=0 (inhalable fraction) (as Ni) 12035-72-2 3 3 35 mg/m thyl-2-pyrrolidyl) TWA=0.5 mg/m Nicotine OV/P95 3-( 1-Me #ee co==ent  on pyridine -skin- 54-11-5 @17e Ǯ TWA=2 100 Aqua Nitric acid ortis, Hydrogen nitrate, (F)SA Ineffective sorbents f Red fuming nitric acid, RFNA, 7697-37-2 STEL=4 WFNA, W hite fuming nitric acid

87 Nitric oxide Nitrogen monoxide, 100 TWA=25 SA Ineffective sorbents 10102-43-9 NO 3 3 300 mg/m 1- obenzene, TWA=3 mg/m OV/N95 Amino-4-nitr #ee co==ent  on p-Nitroaniline 4-Nitroaniline, Azoic diazo 100-01-6 @17e Ǯ -skin- component 37, Fast Red GG base, p-Aminonitro-benzene, PNA Nitrobenzene Nitrobenzol, Oil of mirbane OV TWA=1 200 -skin- 98-95-3 3 1000 mg/m TWA=0.1 p-Nitrochlorobenzene OV 1-Chloro-4-nitrobenzene, -skin- 4-Chloronitrobenzene, 100-00-5 PCNB, PNCB TW 1000 (F)OV Nitroethane A=100 79-24-3 Ineffective sorbents SA .2 50 TW Nitrogen p eroxide A=0 Nitrogen dioxide C=5 (OSHA) 10102-44-0 Unknown sorbent Nitr TWA=10 SA 2000 ogen fluoride Nitrogen trifluoride 7783-54-2 effectiveness 3 500 mg/m Nitroglycerin (NG) Glyceryl trinitra te, OV TWA=0.05 Trinitroglycerin 55-63-0 C=0.2 (OSHA) -skin- OV Nitromethane TWA=20 Nitr ocarbol 1000 75-52-5 84

88 85 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 1-Nitropropane 2300 TW OV A=25 108-03-2 TWA=10 sec-Nitr OV opane 2300 2-Nitropropane opr 79-46-9 #ee co==ent  on Nitr TWA=2 200 toluol OV/N95 o Nitrotoluene 88-72-2 -skin- @17e Ǯ 99-08-1 99-99-0 3 TWA=1 mg/m 2 thyl-5-nitrobenzenamine, 5-Nitro-o-toluidine -Me OV/R95 99-55-8 5-Nitro-2-toluidine, Azoic Diazo (inhalable fraction) OV/P95 Compound 12 Dinit rogen monoxide TWA=50 SA Ineffective sorbents Nitrous oxide 10024-97-2 OV 8000 TW n-Nonane A=200 Nonane 111-84-2 3 ™ #ee co==ent  on Halo OV/N95 wax 1051 TWA=0.1 mg/m Octachloro- 3 naphthalene STEL=0.3 mg/m @17e Ǯ 2234-13-1 -skin-

89 n-Octane, I sooctane 5000 TWA=300 OV 3M 3510 Monitor Octane, all isomers 111-65-9 540-84-1 TWA=50 (AIHA) OV oxyoctane, Alcohol C-8, 1-Octanol 1-Hy dr 111-87-5 Capryl alcohol, Heptyl carbinol, n-Octanol, n-Octyl alcohol 1-Octene a-Octene, a-Octylene 8000 TWA=75 (AIHA) OV 111-66-0 3 1 mg/m Osmic acid TWA=0.0002 (F)SA Unknown sorbent Osmium tetroxide (as Os) STEL=0.0006 effectiveness 20816-12-0 3 3 E 500 mg/m Oxalic acid thane dioic acid, TWA=1 mg/m OV/N95 #ee co==ent  on 3 144-62-7 Oxalic acid dihydrate STEL=2 mg/m @17e Ǯ 6153-56-6 3 Benzenesulfonic acid, TWA=0.1 mg/m N95 p,p-Oxybis 4,4-Oxybis-dihydrazide; (benzenesulfonyl (inhalable fraction) ® Celogen hydrazide) ; Diphenyl ether 80-51-3 4,4’-disulfohydrazide; OBSH Oxygen difluoride 0. Difluorine monoxide, 5 C=0.05 SA Unknown sorbent Fluorine monoxide effectiveness 7783-41-7 86

90 87 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) 1 TWA=0. 10 Ozone OZ Respirators with work) ( li7ht 10028-15-6 nuisance level Ǯ TWA=0.0 organic vapor relief work) moderate ( recommended by 3M up to 10X OEL. 0ǫ TWA=0. Not NIOSH approved ( heavI work) for ozone. 3 Paraffin wax fume N95 TWA=2 mg/m 8002-74-2 3 This category includes N95 Nuisance particulates Particulates Not TWA=15 mg/m terials. many ma Otherwise Regulated For (total dust, # ) 3 P95 oils, an R or TWA=10 mg/m filter/respirator is (inhalable fraction) 3 recommended TWA=3 mg/m (respirable fraction) Pentaborane 3 TW Unknown sorbent Pen SA A=0.005 on nonahydride, tabor STEL=0.015 Stable pentaborane 19624-22-7 effectiveness 3 ™ #ee co==ent  on Halo Pentachloro- wax TWA=0.5 mg/m 1013 OV/N95 naphthalene -skin- @17e Ǯ 1321-64-8

91 3 N95 Pentaerythritol Te thylolmethane TWA=10 mg/m trame 3 115-77-5 TWA= 5 mg/m # ( , respirable fraction) 3 #ee co==ent  on Pentaerythritol TWA=1 mg/m 2 OV/P95 -Propenoic acid, (AIHA) triacrylate 2-(hydroxymethyl)-2-[[(1-oxo- @17e Ǯ 3524-68-3 2-propenyl)oxy]methyl]-1,3- propanediyl-ester, PETA 1,1,1,2,2- F TWA=1000 (AIHA) Ineffective sorbents SA luorocarbon 125, HFC-125, Pen tafluoroethane Pentafluoroethane 354-33-6 ™ Gene TWA=300 (AIHA) SA 245fa, HFC-245fa, 1,1,1,3,3- tron R-245fa Pentafluoropropane 460-73-1 n-Pen OV TWA=1000 Short service life 15000 tane Pentane, all isomers 109-66-0 78-78-4 463-82-1 2,4-Pentanedione OV Ace TWA=25 tone, Diacetylmethane tylace -skin- 123-54-6 88

92 89 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name IDLH OEL C A PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym 3000-9000 TWA=50 2 See comment E on Ace Pentyl acetate, OV toxypentane, 3-Amyl - acetate, n-Amyl acetate, sec- 3 page 8. M 3510 all isomers STEL=100 Amyl aceta te, tert-Amyl acetate, Monitor 628-63-7 Banana oil, 1,1-Dimethylpropyl 626-38-0 acetate, Isoamyl acetate, 620-11-1 Isopentyl acetate, 3-Methyl-1- 625-16-1 butanol acetate, 1-Methylbutyl 123-92-2 acetate, 2-Methylbutyl acetate, 624-41-9 3-Methylbutyl acetate, 2-Methylbutyl ethanoate, 1-Pentanol acetate, 2-Pentanol acetate, 1-Pentyl acetate, 2-Pentyl acetate, 3-Pentyl acetate Peracetic acid (F)OV/AG Ace o STEL= 0 .4ppm xide, tic per See Tec hnical Data 79-21-0 Peroxyacetic acid (Inhalable fraction Bulletin #185. See and vapor) comment E on page 8 Perchloroethylene (F)O Perk, Tetrachloroethylene V TWA=25 500 STEL=100 127-18-4 PMM, Trichlor 10 TW omethyl . Perchloromethyl A=0 1 OV sulfur chloride mercaptan 594-42-3

93 Chlorine o TWA=3 Perchloryl fluoride Unknown sorbent SA 385 xyfluoride STEL=6 7616-94-6 effectiveness 1H,1H,2H-Perfluor TWA=100 OV Short service life Perfluorobutyl ohexene; ethylene 1-Hexane,3,3,4,4,5,5,6,6,6- 19430-93-4 nonafluoro; PFBE C=0 Perfluoroisobutylene Octafluor .01 SA Short OV service life oisobutylene, Octafluoro-sec-butene, PFIB 382-21-8 3 TW A=0.1 mg/m N95 Persulfates, Ammonium 7727-54-0 3 TW (F)N95 Persulfates, A=0.1 mg/m Potassium 7727-21-1 3 TW .1 mg/m (F)N95 Persulfates, Sodium A=0 7775-27-1 10000 ) TWA=50 # 0 ( OV variable. See also Odor Alipha tic petroleum Petroleum distillates Gasoline, Stoddard naphtha, Petroleum ether 8002-05-9 solvent (boiling range 95-115 degrees C), Pe oleum naphtha tr Phenol OV/N95 Carbolic acid, Monohydroxy TWA=5 250 -skin- benzene 108-95-2 90

94 91 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3 SA preferable if heat 1,3-Benzenediamine, TWA=0.1 mg/m m-Phenylenediamine OV/N95 108-45-2 m-Diaminobenzene involved 3 o-Phenylenediamine OV/N95 SA preferable if heat 1,2-Benzenediamine, TWA=0.1 mg/m involved o-Diaminobenzene, Orthamine 95-54-5 3 ǧ Ǫ Diamino2enJene p-Phenylenediamine SA preferable if heat OV/N95 TWA=0.1 mg/m p Diamino2enJene involved 106-50-3 Phenyl ether, vapor Diphenyl ether, Diphenyl 7000 See comment E on oxide TWA=1 OV STEL=2 page 8. 3 M 3510 101-84-8 Monitor. V  See comment E on Diphenyl oxide-diphenyl mixture, Phenyl ether-biphenyl ) # ( TWA=1 ™ Dowtherm mixture vapor A page 8 8004-13-5 TWA=0.1 OV 1,2-Epoxy-3-phenoxy propane, Phenyl glycidyl ether -skin- Glycidyl phenyl ether, 122-60-1 Oxirane, PGE, Phenoxymethyl, Phenoxypropenoxide, Phenyl epoxypropyl ether (F)OV Hydrazinobenzene 295 TWA=0.1 Phenylhydrazine -skin- 100-63-0

95 Phenyl isocyanate C arbamil TWA=0.005 OV Isocyanatobenzene, STEL=0.015 103-71-9 Phenyl c arbamide Benzene hiophenol TWA=0.1 OV thiol, T Phenyl mercaptan 108-98-5 OV C=0 05 . Phenylphosphine 638-21-1 yl 2 TWA=0.1 SA Carbon o xychloride, Carbon Phosgene 75-44-5 chloride, Chloroformyl chloride TWA=0.3 200 Hy ogen phosphide, SA recommended for Hg dr Phosphine Phosphorated hydrogen, 7803-51-2 STEL=1 certain applications. Phosphorus hydride See Technical Data Bulletin #212 2-Phosphono- N95 A=10 (AIHA) PB 1,2,4- TC TW butanetricarboxylic acid 37971-36-1 3 3 m-Phosphoric acid, Phosphoric acid N95 acceptable with 10000 mg/m (F)N95 TWA=1 mg/m 3 o-Phosphoric acid, 7664-38-2 STEL=3 mg/m appropriate eye/face White phosphoric acid protection 3 Phosphorus (yellow) A=0.1 mg/m W SA If no phosphorus vapor TW hite phosphorus, WP 12185-10-3 or phosphine gas present, N95 Phosphoryl chloride Phosphorus oxychloride .1 TW (F)AG A=0 10025-87-3 92

96 93 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name A C PF x OEL and IDLH) omments (ppm) (ppm) CAS # Synonym 200 AG TWA=0.1 Phosphorus Phosphoric chloride 3 mg/m pentachloride 10026-13-8 3 Phosphoric sulfide 750 TWA=1 mg/m N95 Phosphorus 3 3 pentasulfide STEL=3 mg/m mg/m 1314-80-3 Phosphorus chloride 50 TW Phosphorus (F)AG A=0.2 trichloride STEL=0.5 7719-12-2 3 TWA=0.002 mg/m 1,3-I OV/N95 10000 sobenzofurandione, PAN Phthalic anhydride #ee co==ent  on 3 (inhalable fraction 85-44-9 mg/m @17e Ǯ and vapor) 3 STEL=0.005 mg/m (inhalable fraction and vapor) -skin- 3 OV/N95 IPN, I sophthalodinitrile, TWA=5 mg/m m-Phthalodinitrile #ee co==ent  on 626-17-5 (inhalable fraction m-Dicyanobenzene @17e Ǯ and vapor) 3 #ee co==ent  on o-Phthalodinitrile TW OV/N95 1,2 A=1 mg/m -Benzenedicarbonitrile, 1,2-dicyanobenzene, 91-15-6 (inhalable fraction @17e Ǯ 1,2-Benzodinitrile, and vapor) o-Benzenedinitrile, Phtalic acid dinitrile

97 OV 2-Picoline TWA=2 (AIHA) 2 thyl-pyridine, a-Picoline -Me STEL=5 (AIHA) 109-06-8 -skin- OV A=2 (AIHA) 3-Me 3-Picoline TW thyl-pyridine, b-Picoline STEL=5 (AIHA) 108-99-6 -skin- 4-Picoline OV 4-Me A=2 (AIHA) thyl-pyridine, g-Picoline TW STEL=5 (AIHA) 8 9-4 108- -skin- 3 3 2,4,6- Picric acid ophenol, Lyddite, 100 mg/m N95 TWA=0.1 mg/m Trinitr Melinite, Pertite, Shimose 88-89-1 OV/N95 TWA=0.03 1,4-Piperazine, Piperazine and salts #ee co==ent  on (inhalable fraction 110-85-0 1,4-Diazacyclohexane, @17e Ǯ and vapor, as Diethylenediamine, piperazine) Hexahydropyrazine, Piperazidine Piperidine (F)OV He ahydropyridine TWA=1 (AIHA) x -skin- 110-89-4 3 TW A=1 mg/m N95 Platinum metal (as Pt) 7440-06-4 3 Platinum soluble (F)N95 TW .002 mg/m A=0 salts (as Pt) 94

98 95 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) 3 See comment G on Polyethylene glycols TWA=10 mg/m PEG, PGE, P R95 oxyethylene oly P95 (AIHA) 25322-68-3 page 8 3 Polypr PPG TW See comment G on R95 opylene A=10 mg/m (AIHA) P95 glycols page 8 25322-69-4 3 TWA=1 mg/m N95 Clor Polyvin yl chloride oethene polymer, (respirable fraction) 9002-86-2 Cloroethylene homopolymer, Cloroethylene polymer, Polychloroethylene, PVC, Vinyl chloride homoploymer, Vinyl chloride polymer 3 TW Cement, Hyraulic cement, Portland cement N95 A=1 mg/m Portland cement silicate (containing no (respirable fraction) asbestos and <1% ) cry staline silica 65997-15-1 3 N95 Br tassium salt TWA=0.1 mg/m Potassium bromate omic acid po 7758-01-2 (AIHA) 3 Caustic po N95 tash, Lye, Potassium C=2 mg/m Potassium hydroxide 1310-58-3 hydrate

99 Propane D thyl me TWA=1000 20000 ime SA Ineffective sorbents thane, n-Propane # ) 74-98-6 ( 12000 TW sopr IP A, I opanol, 2-Propanol A=200 (F)OV Irritation also provides Isopropyl alcohol, 67-63-0 STEL=400 warning. 3M 3530 sec-Propyl alcohol Monitor See comment E on n-Propanol TWA=100 4000 (F)OV 1-Propanol, Ethyl carbinol, 71-23-8 n-Propyl alcohol, Propan-1-ol page 8 2 Propargyl alcohol opyn- -Pr 1-ol TWA=1 OV -skin- 107-19-7 TWA=0.1 (AIHA) 1-Br 2 omo- -propyne; Propargyl bromide OV 106-96-7 3-Bromopropyne; -skin- Bromopropyne; gama- Bromoallylene; Propyne, 3-bromo soctyl acryla IO A, I te TWA=5 (AIHA) OV 2-Propenoic acid, Isooctyl ester 29590-42-9 TWA=0.5 requires SA 29000 OSHA (F)OV b-Propiolactone 3-Hydroxy be ta-lactone; for certain with hood 57-57-8 3-Hydroxypropionic acid; beta- applications; see 29 Propiolactone; BPL; Hydroacrylic CFR 1910.1003 beta-lactone; Propiolactone acid, 96

100 97 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL IDLH Chemical Name A C omments PF x OEL and IDLH) (ppm) (ppm) CAS # Synonym Short OV service life SA TWA=20 Propionaldehyde 1-Pr opanal, Methylacetalaldhyde, 123-38-6 Propylaldehyde Propionic acid 29000 TW Ethylformic acid, A=10 (F)OV Methylacetic acid 79-09-4 8000 TW opyl ester, 3M 3510 Monitor Ace (F)OV A=200 tic acid n-pr n-Propyl acetate STEL=250 Propyl acetate 109-60-4 SA TWA=500 1-Pr opylene, Propylene opene, 1-Pr 115-07-1 Methylethene, Methylethylene, Propene Propylene dichloride 1,2-Dichloropropane 2000 TWA=10 OV 3M 3510 Monitor 78-87-5 3 1,2 -Dihydroxy propane, TWA=10 mg/m Propylene glycol R95 See comment G on 1,2-Propanediol, Methyl glycol (aerosol only) (AIHA) P95 page 8 57-55-6 3 See comment G on 1,2 OV/P95 Propylene glycol 24000 TWA=10 mg/m ihydroxy propane, -D (AIHA) (vapor and aerosol) 1,2-Propanediol, Methyl glycol page 8 57-55-6

101 1,2 -Propanediol dinitrate, TWA=0.05 (F)OV Propylene glycol -skin- 1,2-Propylene glycol dinitrate dinitrate 6423-43-4 1-Methoxy-2-propanol 16000 TWA=50 Propylene glycol 3M 3510 Monitor OV STEL=100 monomethyl ether 107-98-2 15000 3M 3510 Monitor OV TWA=50 (AIHA) xy-2-acetoxypropane, 1-Me tho Propylene glycol 1-Methyoxy-2-propanol acetate, monomethyl ether 2-Methoxy-1-methylethyl acetate acetate, Glycol ether PM 108-65-6 acetate, PGMEA Propyleneimine (F)OV 500 TWA=0.2 2-Methylaziridine STEL=0.4 75-55-8 -skin- Short service life. OV 2000 TWA=2 1,2 xypropane, 1,2- Propylene oxide -Epo Propylene oxide, 3M 3550 Monitor 75-56-9 2,3-Epo xypropane, Methyloxirane, Propene oxide OV Nitric acid n-pr n-Propyl nitrate TWA=25 opylester 2000 STEL=40 627-13-4 Azabenzene, Azine 3600 TW OV Pyridine A=1 110-86-1 (F)OV TWA=0.001 (AIHA) 1- Azana-phthalene, 1-Benzazine, Quinoline -skin- Chinoline, Lencol, Leukoline 91-22-5 98

102 99 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3 300 mg/m Quinone TWA=0.1 (F)OV/N95 Benz oquinone, p-Benzoquinone 106-51-4 1,3-Benzenediol, N95 14000 OV/N95 may be Resorcinol TWA=10 STEL=20 108-46-3 m-Dihydroxybenzene preferable if heat is involved 3 Rhodium, metal and .1 mg/m TW N95 A=0 insoluble compounds ( OSHA ) 7440-16-6 TWA=0.001 mg/ N95 Rhodium, soluble 3 OSHA ) ( m compounds (as Rh) 3 TW .2 mg/m N95 A=0 Selenium & compounds, (as Se) 7782-49-2 Unknown sorbent Selenium hexafluoride TW SA .05 5 A=0 7783-79-1 effectiveness 3 Silca, amorphous TWA=0.8 mg/m Diatomite, Silicon dioxide N95 Assuming 100% SiO 2 3 (diatomaceous earth) ( OSHA ) (80 mg/m divided by 61790-53-2 %SiO ) 2

103 3 Cry TW .025 mg/m xide, A=0 Silica, crystalline N95 stallized silicon dio Cristobalite, a-Quartz, Silica, (respirable fraction) 14808-60-7 1317-95-9 Tripoli 14464-46-1 3 TWA=0.05 mg/m N95 Assuming 100% SiO Silica, crystalline- 2 3 , respirable OSHA ( tridymite (5 mg/m divided by ) fraction %SiO 15468-32-3 ) 2 3 N95 Silicon TWA=15 mg/m 7440-21-3 OSHA ) ( 3 TWA=5 mg/m ( , respirable OSHA fraction) Silicon carbide (fibrous) N95 TW 0.1 f/cc A= 409-21-2 (respirable fibers) 3 N95 TWA= 10 mg/m Silicon carbide (inhalable fraction) (nonfibrous particles 3 with no asbestos and TWA=3 mg/m <1% crystalline silica) (respirable fraction) 409-21-2 Silicon tetrahydride SA A=5 S ilane TW 7803-62-5 100

104 101 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) (ppm) Synonym CAS # 3 Silver, metal and N95 mg/m TWA=0.01 soluble compounds ( # ) (as Ag) 7440-22-4 3 Soapstone (particles Massive talc, Soapstone N95 TWA=2 mg/m (respirable fraction) with no asbestos and silicate, Steatite <1% crystalline silica) Sodium azide as Unknown sorbent SA Hydrazoic acid vapor C=0.11 hydrazoic acid vapor effectiveness 26628-22-8 3 Hy N95 drazoic acid (no vapor) C=0.29 mg/m Sodium azide as sodium azide 26628-22-8 3 Sodium hy N95 alone may be Sodium bisulfite TWA=5 mg/m AG/N95 ogen sulfite dr suitable if irritation 7631-90-5 eliminated 3 Sodium borate, N95 Borates, tetrasodium salts, TWA=2 mg/m anhydrous anhydrous; Borax fused; (inhalable fraction) 3 1330-43-4 Boric acid, disodium salt; STEL=6 mg/m Disodium tetraborate; (inhalable fraction) Sodium tetraborate, anhydrous

105 3 TWA=2 mg/m N95 Sodium borate, trasodium Borascu; Borates, te salts, decahydrate; Borax; decahydrate (inhalable fraction) 3 Borocin; Disodium diborate STEL=6 mg/m 1303-96-4 decahydrate; Disodium (inhalable fraction) tetraborate decahydrate; Sodium pyroborate decahydrate; Sodium tetraborate, decahydrate 3 TWA=2 mg/m N95 Sodium borate, salts, Borates, tetrasodium pentahydrate pentahydrate; Boric acid, (inhalable fraction) 3 pentahydrate; Boron sodium STEL=6 mg/m 12179-04-3 oxide, pentahydrate; Mule team (inhalable fraction) borascu; Sodium tetraborate pentahydrate 3 Sodium TWA=2.5 mg/m Chlor N95 tic acid, sodium chloroacetate oace 3926-62-3 (AIHA) salt; Monoxone; Sodium monochloroacetate 3 3 fluoroacetate Sodium N95 TWA=0.05 mg/m 1080, SF 5 mg/m A, Sodium -skin- monofluor 62-74-8 oacetate 3 3 Caustic soda, L 250 mg/m C=2 mg/m N95 Sodium hydro xide ye, Soda lye 1310-73-2 3 STEL= 2 mg/m Hypochlor Sodium hypochlorite ous acid, sodium N95 xychloride 681-52-9 salt; Sodium o 7 (AIHA) 102

106 103 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( OEL IDLH Chemical Name C A PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) 3 N95 alone may be suitable Sodium metabisulfite Sodium pyrosulfite AG/N95 TWA=5 mg/m if irritation eliminated 7681-57-4 3 N95 Starch TWA=10 mg/m Corn starch 3 9005-25-8 TWA= 5 mg/m # , respira ble ( fraction) 3 Stearates Aluminium stearate, Calcium N95 TWA=10 mg/m stearate, Glyceryl stearate, ; 557-05-1; 646-29-7 (inhalable fraction) Lithium stearate, magnesium 557-04-0; 5 7-11-4; 3 mg/m 3 TWA= Potassium stearate, stearate, 822-16-2 (respirable Sodium stearate, Stearic acid, fraction) Zinc stearate SA Unknown sorbent Stibine 40 TWA=0.1 Antimony trihydride, Hydrogen antimonide effectiveness 7803-52-3 Dry cleaning safety solvent, Stoddard solvent 29500 TWA=100 OV 3M 3510 Monitor 3 8052-41-3 Mineral spirits mg/m C.I. pigment yellow 32, Strontium chromate TWA=0.0005 N95 3 Strontium yellow (as Cr) mg/m 7789-06-2

107 3 3 N95 3 mg/m Strychnine TWA=0.15 mg/m 57-24-9 TW 5000 A=20 OV Styrene 3M 3510 Monitor Cinnamene, Phenylethylene, 100-42-5 Styrene, Styrene monomer, STEL=40 Vinyl benzene 3 Pr C=0.00006 mg/m teolytic enzymes as 100% to measure 10X Difficult o Subtilisins SA crystalline enzyme 1395-21-7 OEL. N95 acceptable 9014-01-1 with suitable air sampling data 3 N95 Sucrose ose, Table sugar S TWA=10 mg/m acchar 3 57-50-1 TWA= 5 mg/m , respirable # ( fraction) Sulfur dioxide Irritation and taste also SO 100 STEL=0.25  2 provides warning 7446-09-5 Sulfur hexafluoride Unknown sorbent TWA=1000 SA SF 6 effectiveness 2551-62-4 3 3 80 mg/m Sulfuric acid TWA=0.2 mg/m N95 acceptable with (F)N95 Hydrogen sulfate, Matting acid, Oil of vitriol, Sulphuric acid, (thoracic fraction) appropriate eye/face 7664-93-9 Vitriol brown oil protection chloride, Sulfur Sulfur monochloride C=1 10 (F)AG Sulfur subchloride 10025-67-9 C=0.01 AG 1 decafluoride D isulfur Sulfur pentafluoride 5714-22-7 104

108 105 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( IDLH Chemical Name OEL C A omments PF x OEL and IDLH) Synonym CAS # (ppm) (ppm) Sulfur tetrafluoride C=0 1 AG . 7783-60-0 1000 TW Unkno SA Sulfuryl fluoride wn sorbent A=5 2699-79-8 STEL=10 effectiveness 3 ous glass, dust; Glass, N95 tic vitreous Fibr Synthe TWA=5 mg/m fibers - Continuous (inhalable fraction) fibrous or dust filamen t glass fibers TWA=1 f/cc (respirable fibers) tic vitreous Synthe TWA=1 f/cc N95 fibers - glass wool fibers (respirable fibers) .2 f TW /cc N95 A=0 Synthetic vitreous (respirable fibers) fibers - refractory ceramic fibers Synthetic vitreous Mineral (rock), w ool fiber N95 TWA=1 f/cc fibers - rock wool fibers (respirable fibers) /cc TW N95 A=1 f Synthetic vitreous fibers - slag wool fibers (respirable fibers)

109 N95 TW /cc A=1 f Synthetic vitreous (respirable fibers) fibers - special purpose glass fibers 3 Talc (containing no Hydrous magnesium silicate, TWA=2 mg/m N95 asbestos and <1% Non-asbestiform talc, Non- (respirable fraction) cystalline silica) fibrous talc, Steatite talc 14807-96-6 3 Tantalum, metal and TW N95 A=5 mg/m oxide dusts (as Ta) ( # ) 7440-25-7 3 Tellurium and N95 TWA=0.1 mg/m compounds (as Te, excluding hydrogen telluride) 13494-80-9 Unknown sorbent 1 TWA=0.02 SA Tellurium hexafluoride effectiveness (as Te) 7783-80-4 3 TWA=10 mg/m Terephthalic acid N95 1,4 Benz enediacarbo acids, xylic 100-21-0 Benzene-p-dicarboxylic acid, p-Phtha Tephthol, TPA acid, lic 3 C=5 mg/m OV/N95 may be D N95 yl benzenes, Mixed Terphenyls iphen terphenyls, m-Terphenyl, 26140-60-3 preferable if heat is o-Terphenyl, p-Terphenyl involved 106

110 107 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL A C PF x OEL and IDLH) omments (ppm) CAS # Synonym (ppm) OV/N95 TWA=0.1 (inhalable 10 Ace 1,1,2,2- tylene tetrabromide, See comment E on fraction and vapor) Tetrabromoethane Muthmann’s liquid, page 8 79-27-6 Tetrabromoethane, Tetrabromoethylene 1,1,1,2- 15000 TW OV 2,2-Difluoro-1,1,1,2- A=100 tetrachloroethane; Tetrachloro-2,2- ® difluoroethane Freon 112a; Halocarbon 112a; Refrigerant 112a 76-11-9 ® 1,1,2,2-Tetrachloro- Freon 112, Halocarbon 112, 15000 TWA=50 OV 1,2-difluoroethane Refrigerant 112 76-12-0 Ace OV TWA=1 tylene tetrachloride 3M 3510 Monitor 150 1,1,2,2- -skin- Tetrachloroethane 79-34-5 3 ™ Halo See comment D on ax Tetrachloro- w TW OV/N95 , Nibren wax, A=2 mg/m naphthalene Seekay wax page 8 1335-88-2 3 Pyridine 2,3,5,6- TWA=5 mg/m trachloro- te OV/N95 2,3,5,6- See comment D on trachloropyridine Te (AIHA) page 8 2402-79-1

111 Tetrachlorosilane Silic on chloride, C=1 (AIHA) AG/N95 Reacts rapidly with 10026-04-7 moisture yielding HCl Silicon tetrachloride and silica 3 TWA=1 mg/m Tetraethylene glycol 2-Propionic acid, oxy - bis OV/P95 #ee co==ent  on diacrylate (2,1- ethane-diyoxy-2,1- (AIHA) @17e Ǯ ethanediol) ester; TTEGDA 17831-71-9 -skin- 3 TWA=5 mg/m 1,2 thanediamine, -E thylene (F)OV Tetrae N-(2-aminoethyl)-N’-(2- pentamine (AIHA) ((2-aminoethyl)amino) 112-57-2 -skin- ethyl); DEH 26; TEPA; Tetraethyl pentamine; Tetren 1,4,7,10,13-Pentaazatridecane 3 3 Tetraethyl lead traethyl, TEL Lead OV te TWA=0.075 mg/m 40 mg/m (as Pb) ( OSHA ) 78-00-2 -skin- F TWA=1000 (AIHA) luorocarbon 134a, HFA 134a, Ineffective sorbents SA 1,1,1,2- HFC 134a, Tetrafluoroethane Tetrafluoroethane 811-97-2 SA TWA=2 1,1,2,2 Tetrafluoroethylene; Tetrafluoroethylene - 116-14-3 Fluoroplast 4; Perfluoroethene; Perfluoroethylene; Tetrafluoroethene; TFE 108

112 109 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( IDLH Chemical Name OEL C A PF x OEL and IDLH) omments (ppm) Synonym CAS # (ppm) SA TWA=500 (AIHA) 2,3,3,3- Tetrafluoropropene 754-12-1 20000 TWA=50 Tetrahydrofuran Diethylene oxide, OV 3M 3510 Monitor STEL=100 Tetramethylene oxide, THF 109-99-9 -skin- OV TWA=0.5 (AIHA) Tetrahydro-2-furancarbinol, drofurfuryl Tetrahy Tetrahydro-2-furanmethanol, alcohol Tetrahydro-2-furylmethanol, 97-99-4 THFA 3 Tetrakis TWA=2 mg/m Proban CC, Pyroset TKC, N95 Retardol C, Tetrahydroxymethyl (hydroxymethyl) phosphonium chloride, THPC phosphonium chloride 124-64-1 3 TWA=2 mg/m Tetrakis bis tetrakis-(hydroxymethyl) N95 phosphonium sulfate, (hy droxymethyl) Octakis (hydroxymethyl) phosphonium sulfate phosphonium sulfate, Pyroset 55566-30-8 TKO, Retardol S, THPS

113 3 3 40 mg/m TWA=0.075 mg/m Lead tetramethyl, TML Tetramethyl lead OV ( OSHA  (as Pb) -skin- 75-74-1 Tetramethyl TMSN 5 TWA=0.5 OV succinonitrile, vapor -skin- 3333-52-6 Te TWA=0.005 tan 5 Tetranitromethane OV 509-14-8 3 TWA=1.5 mg/m 2,4,6- N95 Tetryl Trinitrophenylmethylnitramine, 479-45-8 Nitramine, N-Me thyl-N- tetranitroaniline, Tetralite 2,4,6- 3 3 T Thallium, elemental hallium acetate, Thallium 20 mg/m N95 TWA=0.02 mg/m carbonate, Thallium hydroxide (inhalable fraction) and soluble compounds (as Tl) -skin- 7440-28-0 3 N95 4,4’ Thiobis(3-methyl-6-tert- TWA=15 mg/m 4,4’-Thiobis(6-tert- - butyl phenol) ( ) OSHA butyl-m-cresol) 3 TWA=1 mg/m 96-69-5 (inhalable fraction) TWA=5 3 mg/m ( OSHA , respirable fraction) 110

114 111 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name OEL IDLH A C omments PF x OEL and IDLH) Synonym (ppm) CAS # (ppm) Mercapt Thioglycolic acid tic acid, 59000 TW oace A=1 (F)OV -skin- 68-11-1 Thioranic acid S o ulfur Thionyl chloride xychloride, Sulfurous C=0.2 (F)AG 7719-09-7 oxychloride 3 3 OV/N95 1500 mg/m TWA=0.05 mg/m Te thylthioram disulfide, trame Thiram #ee co==ent  on TMT, TMTD, TMTDS (inhalable fraction 137-26-8 @17e Ǯ and vapor) 3 3 400 mg/m Tin, metal and N95 TWA=2 mg/m inorganic compounds (e nH ) (as Sn) xcept S 4 7440-31-5 3 Tin, organic compounds OV/N95 TWA=0.1 mg/m #ee co==ent  on 3 (as Sn) STEL=0.2 mg/m @17e Ǯ -skin- 3 N95 Ana tase, Brookite, Rutile TWA=10 mg/m Titanium dioxide - 7 13463-67 3 Titanium chloride TW .5 mg/m AG/N95 A=0 Titanium tetrachloride (AIHA) 7550-45-0

115 2000 TWA=20 3M 3510 Monitor OV Aantisal 1a, Methacide, Methyl Toluene C=300 (OSHA) 108-88-3 benzene, Methylbenzol, Monomethyl benzene, Phenyl methane, Tol, Toluol, Tolu-sol N95 Diaminotoluene, TDA, TWA=0.005 (AIHA) Toluene diamine Tolyenediamine -skin- 25376-45-8 95-80-7 .00 1 TWA=0 OV/N95 10 2,6-TDI, Toluene-2,6- See comment E on 2,6-Toluene diisocyanate diisocyanate (inhalable fraction page 8 91-08-7 and vapor) STEL=0.0 05 (inhalable fraction and vapor) -skin- 2,4-TDI, 2,4-Toluene OV/N95 Toluene-2,4- 1 TWA=0 .00 See comment E on diisocyanate diisocyana te page 8 ction (inhalable fra 584-84-9 and vapor) STEL=0.0 05 (inhalable fraction and vapor) -skin- See comment D on page 8. 3 C=5 mg/m 4-Methyl-benzenesulfonyl p-Toluenesulfonyl (F)OV/AG/ (AIHA) HCl and p-toluene sulfu ric chloride, Tosyl chloride chloride N95 acid produced by hydrolysis 98-59-9 m-Toluidine TWA=2 m-Aminotoluene (F)OV 108-44-1 -skin- 1-Methyl-1,2-aminobenzene; 100 TWA=2 (F)OV o-Toluidine 2-Methylaniline; -skin- 95-53-4 o-Aminotoluene; o-Methylaniline 112

116 113 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name IDLH OEL C A omments PF x OEL and IDLH) (ppm) Synonym CAS # (ppm) p-Aminotoluene, p-Toluidine TWA=2 (F)OV -skin- 106-49-0 3 See comment E on OV/P95 TBP, Tri-n-butyl 125 TWA=5 mg/ m te phospha Tributyl phosphate 126-73-8 (Inhalable fraction page 8 and vapor) Trichloroacetic acid TWA=0.5 (F)OV/AG Irritation also TCA provides warning 76-03-9 25000 C=5 Trichlorobenzene 1,2,4- OV 120-82-1 500 TW 3M 3510 Monitor (F)OV A=10 b- oethane, Trichlor 1,1,2-Trichloroethane -skin- Vinyl trichloride 79-00-5 1,1,2 TCE, 1-Chloro-2,2- 3M 3510 Monitor OV 1000 TWA=10 - Trichloroethylene dichloroethylene, Ethylene 79-01-6 STEL=25 ™ trichloride, TCE, Triclene C=200 (OSHA) ( # TWA=1000 ) 10000 Trichlorofluoromethane 11, Fluorotrichloromethane, CFC Short OV service life SA - ™ Freon 75-69-4 C=1000 11, Refrigerant 11, Trichloromonofluoromethane

117 3 ™ TW , Nibren wax, Trichloronaphthalene ax Halo #ee co==ent  on OV/N95 w A=5 mg/m -skin- Seekay wax 1321-65-9 @17e Ǯ TWA=0.005 1000 1,2,3- Allyl trichloride, Trichloropropane (F)OV Glycerin trichlorohydrin, Glycerol 96-18-4 -skin- trichlorohydrin, Trichlorohydrin Silicochloroform Trichlorosilane (F)AG C=0.5 (AIHA) 10025-78-2 ® FC TW 4500 -113, Freon 113, A=1000 SA 1,1,2-Trichloro-1,2,2- Short OV service life. Halocarbon 113, STEL=1250 trifluoroethane 3M 3530 Monitor 76-13-1 Refrigerant 113, TTE 3 Ǩ Ǩ Ǩ-itrilotriethanol TWA=5 mg/m Triethanolamine OV/P95 #ee co==ent  on 102-71-6 Dalto7en #terola=ide $A @17e Ǯ $rihydroHytriethyla=ine S (F)SA Unknown sorbent xysilane ilane, triethoxy- TWA=0.05 (AIHA) Trietho 998-30-1 effectiveness thylanamine, N,N-D Triethylamine (F)OV 1000 TWA=0.5 AM not specifically ie STEL=1 N-Triethylamine, TEA approved, but 121-44-8 3M recommended for longer service life 3 Triethylene glycol TWA=1 mg/m 2 openoic acid, -Pr OV/P95 diacrylate 2-ethanediylbis-(oxy-2,1- (AIHA) ethanediyl) ester; TREGDA 1680-21-3 114

118 115 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e R spirator Exposures < both ( Chemical Name OEL IDLH C A PF x OEL and IDLH) omments CAS # (ppm) Synonym (ppm) TWA=1 (AIHA) Triethylenetetramine traazadecane; 1,4,7,10- OV See comment E on Te 1,8-Diamino-3,6-diazaoctane; 112-24-3 -skin- page 8. " or filter, 3,6-Diazaoctane-1,8-diamine; N, if filter reAuired N’-bis(2-aminoethyl)-1,2,ethane diamine; TECZA; TETA, Trientine 3 Triethylphosphate OV/P95 Phosphoric acid triethyl ester 17000 TWA=7.45 mg/m (AIHA) 78-40-0 Br trifluoromethane, Short OV service life SA TWA=1000 50000 omo Trifluorobromo- ® methane Freon 13B1, Halocarbon 13B1, ™ 75-63-8 Halon 1301, Refrigerant 13B1 FC-123, HCFC-123, TWA=50 (AIHA) SA Short OV service life 1,1,1-Trifluoro-2,2- Hydrofluorocarbon 123 dichloroethane 306-83-2 1,1,1-Trifluoroethane Ineffective sorbents FC SA 143a, HFC-143a, TWA=1000 (AIHA) - Hydrofluorocarbon 143a 420-46-2 Ineffective sorbents SA 2,2,2 TWA=0.3 (AIHA) Trifluoroethyl alcohol; 55000 2,2,2-Trifluoroethanol - Ethanol, 2,2,2,-Trifluoro; TFE 75-89-8 3 1,3,5- TWA=0.05 mg/m Triazine-2,4,6-(1H,3H,5H)- 1,3,5-Triglycidyl-s- N95 trione, Araldite PT-810, TEPIC triazinetrione 2451-62-9

119 Chemical TWA=0.0005 OV/N95 Trimellitic anhydride Anhy otrimellitic acid, dr 3 manufacturer's mg/m 552-30-7 TMA, TMAN, Trimellitic acid (inhalable recommendatio #ee n. anhydride fraction and vapor) 3 co==ent  on @17e STEL=0.002 mg/m Ǯ (inhalable fraction and vapor) Trimethoxysilane .05 (AIHA) (F)OV TW A=0 2487-90-3 (F)AM N,N-D TWA=1 (AIHA) thyl methanamine, 20000 AIHA WEEL is lower Trimethylamine ime STEL=15 75-50-3 N-Trimethylamine, TMA TLV o f 5 ppm. than AM not specifically approved Trimethyl benzene 3M 3510 Monitor Hemimellitene, Mesitylene, OV TWA=25 8000 seudocumene 25551-13-7 P Chlorotrimethylsilane, C=5 (AIHA) (F)OV/AG Trimethylchlorosilane Monochlorotrimethylsilicon , 75-77-4 Trimethyl chlorosilane (F)OV Me TWA=2 thyl phosphite, Phosphorus Trimethyl phosphite acid trimethylester 121-45-9 3 2 -Propenoic acid, 2-ethyl-2(((1- TWA=1 mg/m Trimethylolpropane OV/P95 oxo-2-propenyl) oxy) methyl)- triacrylate (AIHA) 15625-89-5 1,3-propanediyl ester 3 A=1 mg/m OV/P95 Trimethylolpropane Acrylic acid, triester w/2-ethyl TW 2 (hydroxymethyl) 1,3 trimethacrylate (AIHA) pr 3290-92-4 opanediol 116

120 117 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( Chemical Name IDLH OEL C A PF x OEL and IDLH) omments (ppm) (ppm) Synonym CAS # 3 3 OV/N95 2,4,6-Trinitrotoluene TWA=0.1 mg/m sym-Trinitrotoluene, TNT, 1000 mg/m #ee co==ent  on -skin- (TNT) Trinitrotoluene, Trinitrotoluol @ 17 e Ǯ 118-96-7 3 3 o- olyl phosphate, TCP, 40 mg/m R95 Trit Triorthocresyl #ee co==ent  on 0 2 mg/m TWA=0. P95 TOCP, Tricresylphosphate phosphate @ 17 e Ǯ (inhalable fraction 78-30-8 and vapor) -skin- 3 Phen yl phosphate, TPP Triphenyl phosphate TWA=3 mg/m N95 OV/N95 may be 115-86-6 preferable if heat is involved 3 Trisodium phosphate STEL=5 mg/m Sodium (F)N95 N95 acceptable with te, TSP o-phospha (AIHA) 7601-54-9 appropriate eye/face protection 3 mg/m 3 TWA= N95 Tungsten and compounds, (respirable the absence of cobalt 7440-33-7 particulate matter)

121 Turpentine G um turpentine, TWA=20 (F)OV um spirits, G 1500 See comment E on 8006-64-2 Turps, Wood turpentine page 8 3 3 30 mg/m TWA=0.2 mg/m See 10 CFR 20 N95 Uranium, insoluble 3 STEL=0.6 mg/m subpart H compounds (as U) 7440-61-1 3 3 AG/N95 if halides. See N95 20 mg/m Uranium, soluble mg/m TWA=0.05 as U) 10 CFR 20 subpart H compounds ( ) # ( 7 440-61-1 3 Urea Carbamide, Carbon N95 AM/N95 may be yldiamide, TWA=10 mg/m Carbon (AIHA) 57-13-6 preferable if heat is yldiamine, Isourea involved n-Valeraldehyde aleric Pen tanal, V aldehyde TWA=50 (F)OV 110-62-3 3 3 N95 TWA= 0.05 mg/m V dride, 70 mg/m Vanadium pentoxide anadic anhy (inhalable fraction) 1314-62-1 Vanadium oxide 3 C=0.5 mg/m (OSHA, respirable fraction) 3 3 70 mg/m Vanadium N95 TWA=0.05 mg/m pentoxide fume (inhalable fraction) 3 1314-62-1 C=0.1 mg/m (OSHA) 3 Vanillin V anillaldehy TW N95 de, A=10 mg/m anilla, V Vanillic aldehyde 121-33-5 (AIHA) 118

122 119 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH C A PF x OEL and IDLH) omments Synonym (ppm) (ppm) CAS # 3 R95 TWA=15 mg/m Vegetable oil P95 # ) ( 3 TWA= 5 mg/m # ( , respirable fraction) 26000 TW Vinyl acetate 3M 3510 Monitor 1-Acetoxyethylene, A=10 (F)OV STEL=15 Ethenyl acetate 108-05-4 Short OV service life Br (F)SA thylene TWA=0.5 omoe Vinyl bromide 593-60-2 TWA=1 36000 OSHA allo for ws OV thene, Chloroethylene, SA Chlor oe Vinyl Chloride very short use periods. STEL=5 (OSHA) 75-01-4 Monochloroethylene, VC, VCM, See 29 CFR 1910.1017 Vinyl chloride monomer 1-Vinylcyclohexene-3, 4-Vin TWA=0.1 OV ylcyclohexene 4-Ethenyl-1-1-cyclohexene, 100-40-3 4-Vinyl-1-cyclohexene, 4-Vinylcyclohex-1-ene, 4-Vinylcyclohexene, 4-Vinylcyclohexene-1- butadiene dimer, VCH Vinyl cyclohexene (F)OV TWA=0.1 Vinylcyclohexane dioxide dioxide -skin- 106-87-6

123 SA F 26000 TWA=1 oethene, Fluoroethylene, Short OV service life Vinyl fluoride luor 75-02-5 Monofluoroethylene 1,1-D oethylene, VDC 65000 TWA=5 OV Short service life ichlor Vinylidene chloride 75-35-4 Ineffective sorbents SA TWA=500 55000 1,1-D oethene; ifluor Vinylidene fluoride 1,1-Difluoroethylene; Ethene, 75-38-7 1,1-difluoro; Ethylene,1,1-difluoro; Halocarbon 1132A; Vinylidene difluoride VDF; yl-2-pyrrolidinone, 1-E N-Vinyl-2-pyrrolidone OV TWA=0.05 then 1-Vinylpyrrolidinone, 88-12-0 N-Vinylpyrrolidinone, Vinylbutyrlactam, Vinylpyrrolidinone, Vinylpyrrolidone Me (F)OV Vinyl toluene 5000 TWA=50 styrene, Tolyethylene thyl See comment E on STEL=100 25013-15-4 page 8. 3 M 3510 Monitor. OV/AG ) C=1 ( AIHA oethenyl, Silane Vinyltrichlorosilane S ilane trichlor 75-94-5 trichlorovinyl, Trichlorovinyl silicane, Trichlorovinylsilane, Trichlorovinylsilicon, Vinylsilicon trichloride 3 A=1 mg/m Wood dust TW N95 (All varieties except (inhalable fraction) western red cedar ) 120

124 121 NOTE: For explanation of column headings and abbreviations, refer to Format Explanation starting on page 4. e spirator R Exposures < both ( OEL Chemical Name IDLH A C PF x OEL and IDLH) omments CAS # (ppm) Synonym (ppm) 3 TWA=0.5 mg/m N95 Wood dust (Western red cedar) (inhalable fraction) TWA=100 1000 Dimethylbenzene 3M 3510 Monitor OV Xylene STEL=150 (o-, m-, p -isomers), (o-, m-, p- isomers) 1,2-Dimethylbenzene, 1330-20-7 1,3-Dimethylbenzene, 95-47-6 1,4-Dimethylbenzene 108-38-3 106-42-3 3 See comment D on C=0.1 mg/m MXDA m-Xylene OV/N95 a,a’-diamine -skin- page 8 1477-55-0 See comment E on TWA=0.5 (inhalable 150 Aminodimethyl benzene, OV/N95 Xylidine fraction and vapor) Aminoxylene dimethyl aniline, 1300-73-8 page 8 -skin- Dimethylaminobenzene 3 TWA=1 mg/m N95 Yttrium, metal and compounds (as Y) 7440-65-5 3 3 4800 mg/m Zinc chloride fume TWA=1 mg/m N95 3 7646-85-7 STEL=2 mg/m

125 3 TW Basic zinc chr .01 mg/m Zinc chromate N95 omate, A=0 (as Cr) Chromates of zinc, 13530-65-9 Zinc potassium chromate, 11103-86-9 Zinc yellow 37300-23-5 3 3 Zinc white, TWA=15 mg/m Zinc oxide N95 2500 mg/m Zincite OSHA ) 1314-13-2 ( 3 TWA=2 mg/m (respirable fraction) 3 0 mg/m STEL=1 (respirable fraction) 3 3 Zirconium and N95 TWA=5 mg/m 500 mg/m 3 compounds (as Zr) STEL=10 mg/m 7440-67-7 122

126 Respirator Codes and Descriptions (F) Full Facepiece (with appropriate P100 Particulate Respirator P100 cartridges and filters) P95 Particulate Respirator P95 AG Acid Gas Respirator R95 Particulate Respirator R95 AM Ammonia/Methylamine Respirator SA Supplied Air Respirator FORM Formaldehyde Respirator irator with full ied air resp piece, face SA(F) pl Sup he lmet, hood or loose fitting facepiece , HF Hydrogen Fluoride Respirator or h alf half facepiece with appropriate eye p rotection Hg Mercury Vapor Respirator ote: Respirator abbreviations may be combined. For N MG Multi-gas/Vapor Respirator example, (F)OV/AG/P95 is a full facepiece respirator with an rganic vapor/acid gas cartridge and a P95 particulate filter. o N100 N100 Particulate Respirator HPA 6ilters are Esed 6or PAPRs instead o6  R P N95 N95 Particulate Respirator [email protected] @arti3le 6ilters. Organic Vapor Respirator OV ™ helps you Select and Service Life Software 3M Ozone Respirator OZ select the most appropriate respirator or estimate service life of 3M gas/vapor cartridges. Both programs are simple, accurate and give printable reports. 3M.com/s ls

127 Data for thi s guide comp iled March, 2018 . Always refer to s latest TLV Guid e and OSHA standard nges and rulings. for possible cha ® ® ® 7 TLVs , 201 and BEIs Book. TLVs from ACGIH Copyright 201 ermission. Reprinted with p . 7 ompany, used und 3M is a nada. er license in Ca trademark of 3M C r Company. egistered tradem ark of U.S. Rubbe Celogen is a r marks of Diamond Sha lap Da on and Triclene are trade mrock . Dowtherm is a trademark stered trademark of Dow C Carbitol is a regi and hemical. Cellosolve, Dymel and Freon are reg mours and Company. istered trademarks of E. I. du Pont de Ne E-Mycin is a tr ademark of Upjoh n Pharmaceuticals. Genetron is a tional Inc. yw trademark of Hone ell Interna Halon is a trade mark of Allied C hemical. bide. Halowax is a tr ademark of Bakel ite Corp./Union Car y. tional use onl s are for occupa 3M PSD product For more information: In U.S. Technical Assistance 1-80 0-243-4630 0-328-1667 Customer Care Center 1-80 3M and all other trademarks used 3M.com/PPESafety he rein are trademarks of 3M Company, 3 used u Personal Safety Division n Canada. cense i i nder l In Canada Please r Technical Assistance 1-80 0-267-4414 3M Center ecycle. Printed in U.S.A. 1-800-364-3577 Customer Care © 3M 201 8 Building 235-2W-70 . All rights reserved. 7 St. Paul, MN 55144-1000 3M.ca/PPESafety 0-0715-7412-6

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