| Chemical |
CAS No |
Method |
Chemical Fact File
Publication No. |
| Acetaldehyde | 75-07-0 | OSHA 68 | 1007 |
| Acetic acid | 64-19-7 | EPA TO-17 | 1689 |
| Acetic anhydride | 108-24-7 | OSHA 102 | 1392 |
| Acetic anhydride | 108-24-7 | OSHA 82 | 1391 |
| Acetone | 67-64-1 | EPA TO-17 | 1689 |
| Acetone | 67-64-1 | OSHA 69 | 1059 |
| Acetonitrile | 75-05-8 | EPA TO-17 | 1689 |
| Acids, inorganic (see specific compounds) | | NIOSH 7903 | 1016 |
| Acridine | 260-94-6 | OSHA 58 | 1077 |
| Acrylonitrile | 107-13-1 | EPA TO-17 | 1689 |
| Acrylonitrile | 107-13-1 | NIOSH 1604 | 1266 |
| Acrylonitrile | 107-13-1 | OSHA 37 | 1265 |
| Aldehydes | | EPA TO-5 | 1671 |
| Aldicarb (Temik) | 116-06-3 | OSHA 74 | 1399 |
| Allyl chloride | 107-5-1 | OSHA 07 | 1126 |
| Alumina (particulates, respirable) | 1344-28-1 | NIOSH 0600 | 1038 |
| Alumina (particulates, total) | 1344-28-1 | NIOSH 0500 | 1035 |
| Aluminum (elements) | 7429-90-5 | NIOSH 7300 | 1455 |
| 4-Aminobiphenyl | 92-67-1 | OSHA 93 | 1233 |
| Ammonia | 7664-41-7 | OSHA ID 188 | 1008 |
| Aniline | 62-53-3 | EPA TO-17 | 1689 |
| Aniline (amines, aromatic) | 62-53-3 | NIOSH 2002 | 1058 |
| Anthracene | 120-12-7 | OSHA 58 | 1075 |
| Antimony (elements) | 7440-36-0 | NIOSH 7300 | 1455 |
| Arsenic (elements) | 7440-38-2 | NIOSH 7300 | 1040 |
| Arsine | 7784-42-1 | NIOSH 6001 | 1278 |
| Asbestos | 1332-21-4 | OSHA ID 160 | 1301 |
| Asbestos fibers | 1332-21-4 | NIOSH 7400 | 1033 |
| Asbestos (mass concentrations) | 1332-21-4 | ASTM D 5756 | 1440 |
| Asbestos (structure number concentrations) | 1332-21-4 | ASTM D 5755 | 1440 |
| Asphalt fumes (petroleum) | 8052-42-4 | OSHA 58 | 1078 |
| Barium sulfate (respirable fraction) | 7727-43-7 | OSHA ID 204 | 1216 |
| Barium sulfate (total dust) | 7727-43-7 | OSHA ID 121 | 1217 |
| Benzene | 71-43-2 | EPA TO-17 | 1689 |
| Benzene by portable GC | 71-43-2 | NIOSH 3700 | 1029 |
| Benzene (see Passive Sampling Guide) | 71-43-2 | OSHA 1005 | 1749 |
| Benzene | 71-43-2 | OSHA 1005 | 1749 |
| Benzene | 71-43-2 | OSHA 12 | 1009 |
| Benzene-soluble particulate matter | 98-08-8 | ASTM D 4600 | 1416 |
| Benzidine | 92-87-5 | OSHA 65 | 1239 |
| Benzyl chloride | 100-44-7 | OSHA 07 | 1187 |
| Beryllium (elements) | 7440-41-7 | NIOSH 7300 | 1455 |
| Boron oxide (particulates, respirable) | 1303-56-2 | NIOSH 0600 | 1038 |
| Boron oxide (particulates, total) | 1303-86-2 | NIOSH 0500 | 1035 |
| Bromine | 7726-95-6 | NIOSH 6011 | 1329 |
| Bromoform | 75-25-2 | OSHA 07 | 1127 |
| 1,3-Butadiene | 106-99-0 | NIOSH 1024 | 1010 |
| 1,3-Butadiene | 106-99-0 | OSHA 56 | 1011 |
| n-Butane | 106-97-8 | EPA TO-17 | 1689 |
| n-Butanol | 71-36-3 | EPA TO-17 | 1689 |
| 2-Butanone | 78-93-3 | EPA TO-17 | 1689 |
| 2-Butanone (methyl ethyl ketone, MEK) | 78-93-3 | NIOSH 2500 | 1012 |
| 2-Butanone | 78-93-3 | OSHA 1004 | 1745 |
| 2-Butanone (methyl ethyl ketone, MEK) (see Passive Sampling Guide) | 78-93-3 | OSHA 1004 | 1745 |
| 2-Butanone (methyl ethyl ketone, MEK) | 78-93-3 | OSHA 16 | 1282 |
| 2-Butanone (methyl ethyl ketone, MEK) | 78-93-3 | OSHA 84 | 1288 |
| 2-Butoxyethanol | 111-76-2 | EPA TO-17 | 1689 |
| 2-Butoxyethanol (alcohols IV) | 111-76-2 | NIOSH 1403 | 1275 |
| 2-Butoxyethanol acetate | 112-07-2 | EPA TO-17 | 1689 |
| n-Butyl acetate | 123-86-4 | EPA TO-17 | 1689 |
| n-Butyl acetate (esters I) | 123-86-4 | NIOSH 1450 | 1272 |
| n-Butyl acetate | 123-86-4 | OSHA 1009 | 1750 |
| t-Butyl acetate | 540-88-5 | EPA TO-17 | 1689 |
| t-Butyl acetate | 540-88-5 | OSHA 1009 | 1750 |
| n-Butyl alcohol | 71-36-3 | EPA TO-17 | 1689 |
| 1,3-Butylene glycol (glycols) | 107-88-0 | NIOSH 5523 | 1404 |
| n-Butyl glycidyl ether (BGE) | 2426-08-6 | OSHA 07 | 1125 |
| n-Butyl mercaptan (mercaptans) | 109-79-5 | NIOSH 2542 | 1330 |
| t-Butyl methyl ether | 1634-04-4 | EPA TO-17 | 1689 |
| p-tert-Butyltoluene | 98-51-1 | OSHA 07 | 1129 |
| Cadmium & compounds (as Cd) | 7440-43-9 | NIOSH 7048 | 1467 |
| Cadmium (elements) | 7440-43-9 | NIOSH 7300 | 1280 |
| Cadmium | 7440-43-9 | OSHA ID 189 | 1456 |
| Calcium carbonate (particulates, respirable) | 1317-65-3 | NIOSH 0600 | 1038 |
| Calcium carbonate (particulates, total) | 1317-65-3 | NIOSH 0500 | 1035 |
| Calcium (elements) | 7440-70-2 | NIOSH 7300 | 1455 |
| Calcium silicate (particulates, respirable) | 1344-95-2 | NIOSH 0600 | 1038 |
| Calcium silicate (particulates, total) | 1344-95-2 | NIOSH 0500 | 1035 |
| Camphor | 76-22-2 | OSHA 07 | 1130 |
| Carbon dioxide | 124-38-9 | NIOSH 6603 | 1027 |
| Carbon dioxide | 124-38-9 | OSHA ID 172 | 1026 |
| Carbon monoxide | 630-08-0 | OSHA ID 210 | 1021 |
| Carbon tetrachloride | 56-23-5 | EPA TO-17 | 1689 |
| Carbon tetrachloride | 56-23-5 | OSHA 07 | 1131 |
| Cellulose (paper fiber) (particulates, respirable) | 9004-34-6 | NIOSH 0600 | 1038 |
| Cellulose (paper fiber) (particulates, total) | 9004-34-6 | NIOSH 0500 | 1035 |
| Chlordane (non-occupational exposure) | 57-74-9 | ASTM D 4947 | 1417 |
| Chlordane | 57-74-9 | OSHA 67 | 1013 |
| Chlorine | 7782-50-5 | NIOSH 6011 | 1332 |
| Chlorine | 7782-50-5 | OSHA ID 101 | 1052 |
| Chlorine (prefiltered) | 7782-50-5 | OSHA ID 101 | 1289 |
| Chlorine dioxide | 10049-04-4 | OSHA ID 202 | 1462 |
| Chlorobenzene | 108-90-7 | EPA TO-17 | 1689 |
| Chlorobenzene (monochlorobenzene) | 108-90-7 | OSHA 07 | 1132 |
| Chloroform (trichloromethane) (hydrocarbons, halogenated) | 67-66-3 | NIOSH 1003 | 1269 |
| Chloroform (trichloromethane) | 67-66-3 | OSHA 05 | 1062 |
| Chloromethyl methyl ether (CMME) | 107-30-2 | NON 29 | 1251 |
| beta-Chloroprene | 126-99-8 | OSHA 07 | 1133 |
| Chlorpyrifos (Dursban) | 2921-88-2 | OSHA 62 | 1394 |
| Chromic acid & chromates | 7738-94-5 | OSHA ID 215 | 1439 |
| Chromium & compounds (as Cr) | 7440-47-3 | NIOSH 7024 | 1457 |
| Chromium (elements) | 7440-47-3 | NIOSH 7300 | 1455 |
| Chromium, hexavalent | 18540-29-9 | NIOSH 7600 | 1032 |
| Chromium, hexavalent | 18540-29-9 | NIOSH 7604 | 1032 |
| Chromium, hexavalent | 18540-29-9 | OSHA ID 103 | 1439 |
| Chromium, hexavalent | 18540-29-9 | OSHA ID 215 | 1439 |
| Chromium metal & insoluble compounds | 7440-47-3 | OSHA ID 121 | 1043 |
| Coal tar pitch volatiles | 65996-93-2 | OSHA 58 | 1076 |
| Cobalt (elements) | 7440-48-4 | NIOSH 7300 | 1455 |
| Cobalt metal, dust & fume (as Co) | 7440-48-4 | OSHA ID 121 | 1210 |
| Cobalt hydrocarbonyl | 16842-03-8 | OSHA ID 121 | 1193 |
| Copper (dust [elements]) | 7440-50-8 | NIOSH 7300 | 1455 |
| Copper dusts & mists (as Cu) | 7440-50-8 | OSHA ID 121 | 1205 |
| Copper fume | 7440-50-8 | OSHA ID 121 | 1206 |
| Corundum (emery) (particulates, respirable) | 1302-74-5 | NIOSH 0600 | 1038 |
| Corundum (emery) (particulates, total) | 1344-28-1 | NIOSH 0500 | 1035 |
| Cresols | | EPA TO-8 | 1668 |
| Cristobalite (silica, crystalline by VAS) | 14464-46-1 | NIOSH 7601 | 1041 |
| Cristobalite (silica, crystalline [respirable] by XRD ) | 14464-46-1 | NIOSH 7500 | 1370 |
| Cumene | 98-82-8 | EPA TO-17 | 1689 |
| Cumene (isopropyl benzene) | 98-82-8 | OSHA 07 | 1065 |
| Cupric carbonate as Cu (elements) | 1184-64-1 | NIOSH 7300 | 1455 |
| Cyclohexane (hydrocarbons, BP 36 to 216 C) | 110-82-7 | NIOSH 1500 | 1268 |
| Cyclohexane | 110-82-7 | OSHA 07 | 1134 |
| Cyclohexanol | 108-93-0 | OSHA 07 | 1135 |
| Cyclohexanone | 108-94-1 | EPA TO-17 | 1689 |
| Cyclohexanone | 108-94-1 | OSHA 01 | 1073 |
| Cyclohexene | 110-83-8 | OSHA 07 | 1124 |
| n-Decane | 124-18-5 | EPA TO-17 | 1689 |
| Diacetone alcohol | 123-42-2 | OSHA 07 | 1123 |
| o-Dianisidine | 119-90-4 | OSHA 71 | 1235 |
| Diazinon | 333-41-5 | OSHA 62 | 1396 |
| Dichloromethane (Methylene chloride) | 75-09-2 | EPA TO-17 | 1689 |
| o-Dichlorobenzene | 95-50-1 | OSHA 07 | 1122 |
| 3,3'-Dichlorobenzidine | 91-94-1 | OSHA 65 | 1238 |
| 1,1-Dichloroethane (hydrocarbons, halogenated) | 75-34-3 | NIOSH 1003 | 1267 |
| 1,2-Dichloroethane | 107-06-2 | EPA TO-17 | 1689 |
| 1,2-Dichloroethane (ethylene dichloride) | 107-06-2 | OSHA 07 | 1119 |
| 1,2-Dichloroethylene | 540-59-0 | OSHA 07 | 1118 |
| Dichloromethane (Methylene chloride) | 75-09-2 | EPA TO-17 | 1689 |
| Dichlorvos (DDVP) | 62-73-7 | OSHA 62 | 1395 |
| Diethanolamine (DEA) (aminoethanol compounds II) | 111-42-2 | NIOSH 3509 | 1006 |
| Diethylamine | 109-89-7 | OSHA 41 | 1697 |
| Diethylene glycol (glycols) | 111-46-6 | NIOSH 5523 | 1387 |
| Diethylenetriamine (DETA) | 111-40-0 | OSHA 60 | 1285 |
| Diisobutyl ketone | 108-83-8 | OSHA 07 | 1116 |
| Diisocyanates | | OSHA 42 | 1458 |
| Dimethoxymethane (methylal) | 109-87-5 | OSHA 07 | 1115 |
| Dimethylacetamide | 127-19-5 | NIOSH 2004 | 1695 |
| Dimethylamine | 124-40-3 | OSHA 34 | 1696 |
| N,N-Dimethylaniline (amines, aromatic) | 121-69-7 | NIOSH 2002 | 1054 |
| Dimethyl disulfide | 624-92-0 | NON 42 | 1413 |
| N,N-Dimethylformamide (DMF) | 68-12-2 | OSHA 66 | 1271 |
| N,N-Dimethyl-p-toluidine (amines, aromatic) | 99-97-8 | NIOSH 2002 | 1055 |
| Dimethyl sulfate | 77-78-1 | NIOSH 2524 | 1284 |
| Dimethyl sulfide | 75-18-3 | NON 42 | 1413 |
| Dioxane (diethylene dioxide) | 123-91-1 | OSHA 07 | 1114 |
| Dioxin (including, PHDDs, PCDDs, PBDDs) | | EPA TO-9A | 1673 |
| Diphenylamine | 122-39-4 | OSHA 78 | 1229 |
| Diphenylmethane-4,4'-diisocyanate (MDI) (4,4-methylene bisphenyl isocyanate) (isocyanates) | 101-68-8 | NIOSH 5521 | 1001 |
| Dipropylene glycol methyl ether | 34590-94-8 | OSHA 07 | 1113 |
| n-Dodecane | 112-40-3 | EPA TO-17 | 1689 |
| Dust, respirable (in workplace atmospheres) | | ASTM D 4532 | 1418 |
| Dust, respirable nuisance (particulates) | | NIOSH 0600 | 1038 |
| Dust, total, particulates not otherwise regulated | | NIOSH 0500 | 1035 |
| Dust, total nuisance (particulates) | | NIOSH 0500 | 1035 |
| Dust, total, particulates not otherwise regulated | | NIOSH 0500 | 1035 |
| Dust, total nuisance (particulates) | | NIOSH 0500 | 1035 |
| Dust, total, particulates not otherwise regulated | | NIOSH 0500 | 1035 |
| Elements (see specific compounds) | | NIOSH 7300 | 1455 |
| Emery (corundum) (particulates, respirable) | 1302-74-5 | NIOSH 0600 | 1038 |
| Emery (corundum) (particulates, total) | 1344-28-1 | NIOSH 0500 | 1035 |
| Enflurane (ethrane) | 13838-16-9 | OSHA 103 | 1348 |
| Environmental tobacco smoke (respirable particles) | | ASTM D 5955 | 1419 |
| Epichlorohydrin | 106-89-8 | OSHA 07 | 1112 |
| 1,2-Ethanediol (ethylene glycol) (glycols) | 107-21-1 | NIOSH 5523 | 1401 |
| Ethanol | 64-17-5 | EPA TO-17 | 1689 |
| 3-Ethenylpyridine & nicotine | | ASTM D 5075 | 1427 |
| 2-Ethoxyethanol | 110-80-5 | EPA TO-17 | 1689 |
| 2-Ethoxyethanol (alcohols IV) | 110-80-5 | NIOSH 1403 | 1273 |
| 2-Ethoxyethanol (CELLOSOLVE solvent) (alcohols IV) | 110-80-5 | NIOSH 1403 | 1273 |
| 2-Ethoxyethanol (CELLOSOLVE solvent) | 110-80-5 | OSHA 79 | 1277 |
| 2-Ethoxyethyl acetate | 111-15-9 | EPA TO-17 | 1689 |
| 2-Ethoxyethyl acetate (CELLOSOLVE acetate) | 111-15-9 | OSHA 79 | 1277 |
| 2-Ethyl toluene | 611-14-3 | EPA TO-17 | 1689 |
| Ethyl acetate | 141-78-6 | EPA TO-17 | 1689 |
| Ethyl acetate | 141-78-6 | OSHA 07 | 1111 |
| Ethyl acrylate | 140-88-5 | EPA TO-17 | 1689 |
| Ethyl alcohol | 64-17-5 | EPA TO-17 | 1689 |
| Ethyl alcohol (ethanol) | 64-17-5 | OSHA 07 | 1109 |
| Ethyl alcohol (ethanol) | 64-17-5 | OSHA 100 | 1283 |
| Ethyl amyl ketone | 106-68-3 | OSHA 07 | 1158 |
| Ethyl benzene | 100-41-4 | EPA TO-17 | 1689 |
| Ethyl benzene (hydrocarbons, aromatic) | 100-41-4 | NIOSH 1501 | 1053 |
| Ethyl benzene | 100-41-4 | OSHA 07 | 1108 |
| Ethyl benzene (see Passive Sampling Guide) | 100-41-4 | OSHA 1002 | 1746 |
| Ethyl benzene | 100-41-4 | OSHA 1002 | 1746 |
| Ethyl bromide (bromoethane) | 74-96-4 | OSHA 07 | 1107 |
| Ethyl butyl ketone (3-heptanone) | 106-35-4 | OSHA 07 | 1106 |
| Ethylene dichloride | 107-06-2 | EPA TO-17 | 1689 |
| Ethylene chlorohydrin | 107-07-3 | OSHA 07 | 1159 |
| Ethylenediamine (EDA) | 107-15-3 | OSHA 60 | 1287 |
| Ethylene dibromide (1,2-dibromoethane) | 106-94-4 | OSHA 02 | 1072 |
| Ethylene dichloride | 107-06-2 | EPA TO-17 | 1689 |
| Ethylene dichloride (1,2-dichloroethane) | 107-06-2 | OSHA 03 | 1063 |
| Ethylene glycol (glycols) | 107-21-1 | NIOSH 5523 | 1401 |
| Ethylene oxide by portable GC | 75-21-8 | NIOSH 3702 | 1031 |
| Ethylene oxide | 75-21-8 | OSHA 1010 | 1751 |
| Ethyl ether (Diethyl ether) | 60-29-7 | OSHA 07 | 1105 |
| Ethyl formate | 109-94-4 | OSHA 07 | 1104 |
| Ethyl mercaptan (mercaptans) | 75-08-1 | NIOSH 2542 | 1330 |
| 2-Ethyl toluene | 611-14-3 | EPA TO-17 | 1689 |
| Ferrovanadium dust | 12604-58-9 | OSHA ID 125G | 1218 |
| Fibrous glass (particulates, respirable) | 56-81-5 | NIOSH 0600 | 1038 |
| Fibrous glass (particulates, total) | | NIOSH 0500 | 1035 |
| Fluorides | 16984-48-8 | ASTM D 4765 | 1421 |
| Fluorides, aerosol & gas by ISE | | NIOSH 7902 | 1226 |
| Fluorides (as F) | 16984-48-8 | OSHA ID 110 | 1227 |
| Formaldehyde | 50-00-0 | ASTM D 5197 | 1442 |
| Formaldehyde | 50-00-0 | EPA IP-6A | 1664 |
| Formaldehyde | 50-00-0 | EPA IP-6C | 1664 |
| Formaldehyde | 50-00-0 | EPA TO-11A | 1082 |
| Formaldehyde | 50-00-0 | NIOSH 2541 | 1015 |
| Formaldehyde | 50-00-0 | OSHA 52 | 1020 |
| Furans (including PHDFs, PCDFs, PBDFs) | | EPA TO-9A | 1673 |
| Furfural | 98-01-1 | EPA TO-17 | 1689 |
| Glutaraldehyde | 111-30-8 | NIOSH 2532 | 1346 |
| Glutaraldehyde | 111-30-8 | OSHA 64 | 1241 |
| Glycerin mist (particulates, respirable) | 56-81-5 | NIOSH 0600 | 1038 |
| Glycidol (2,3-epoxy-1-propanol) | 556-52-5 | OSHA 07 | 1157 |
| Glycols | | NIOSH 5523 | 1402 |
| Graphite (synthetic) (particulates, respirable) | 7782-42-5 | NIOSH 0600 | 1038 |
| Graphite (synthetic) (particulates, total) | 7782-42-5 | NIOSH 0500 | 1035 |
| Gypsum (particulates, respirable) | 13397-24-5 | NIOSH 0600 | 1038 |
| Gypsum (particulates, total) | 13397-24-5 | NIOSH 0500 | 1035 |
| Halothane | 151-67-7 | OSHA 103 | 1347 |
| Heptachlor (non-occupational exposure) | 76-44-8 | ASTM D 4947 | 1417 |
| n-Heptane | 142-82-5 | EPA TO-17 | 1689 |
| n-Heptane | 142-82-5 | OSHA 07 | 1156 |
| Hexachloroethane | 67-72-1 | OSHA 07 | 1155 |
| 1,6-Hexamethylene diisocyanate (HDI) | 822-06-0 | OSHA 42 | 1458 |
| n-Hexane | 110-54-3 | EPA TO-17 | 1689 |
| n-Hexane | 110-54-3 | OSHA 07 | 1154 |
| 2-Hexanone (methyl butyl ketone, MBK) | 591-78-6 | OSHA 07 | 1153 |
| Hexavalent chromium | 18540-29-9 | NIOSH 7600 | 1032 |
| Hexavalent chromium | 18540-29-9 | NIOSH 7604 | 1032 |
| Hexavalent chromium | 18540-29-9 | OSHA ID 103 | 1439 |
| Hexavalent chromium | 18540-29-9 | OSHA ID 215 | 1439 |
| Hexone | 108-10-1 | EPA TO-17 | 1689 |
| Hexone (methyl isobutyl ketone, MIBK) | 108-10-1 | OSHA 1004 | 1745 |
| Hexone (see Passive Sampling Guide) | 108-10-1 | OSHA 1004 | 1745 |
| sec-Hexyl acetate | 108-84-9 | OSHA 07 | 1152 |
| Hydrazine | 302-01-2 | OSHA 20 | 1281 |
| Hydrocarbons, aromatic (see specific compounds) | | NIOSH 1501 | 1453 |
| Hydrocarbons, halogenated (see specific compounds) | | NIOSH 1003 | 1454 |
| Hydrogen peroxide (90%) | 7722-84-1 | OSHA ID 126SG | 1005 |
| Hydrogen sulfide | 7783-06-4 | NON 42 | 1414 |
| Inorganic acids (acids, inorganic) | | NIOSH 7903 | 1016 |
| Iron (elements) | 7439-89-6 | NIOSH 7300 | 1455 |
| Iron & compounds (as Fe) | 7439-89-6 | OSHA ID 121 | 1209 |
| Iron oxide fume | 1309-37-1 | OSHA ID 121 | 1045 |
| Iron salts, soluble (as Fe) | | OSHA ID 121 | 1208 |
| Isoamyl acetate | 123-92-2 | OSHA 07 | 1151 |
| Isobutanol (Isobutyl alcohol) | 78-83-1 | EPA TO-17 | 1689 |
| Isobutyl acetate | 110-19-0 | EPA TO-17 | 1689 |
| Isobutyl acetate | 110-19-0 | OSHA 07 | 1150 |
| Isobutyl acetate | 110-19-0 | OSHA 1009 | 1750 |
| Isobutyl alcohol (Isobutanol) | 78-83-1 | EPA TO-17 | 1689 |
| Isobutyl alcohol | 78-83-1 | OSHA 07 | 1149 |
| Isocyanates | | NIOSH 5521 | 1459 |
| Isocyanates | | NIOSH 5522 | 1460 |
| Isoflurane | 26675-46-7 | OSHA 103 | 1349 |
| Isophorone | 78-59-1 | EPA TO-17 | 1689 |
| Isophorone | 78-59-1 | OSHA 07 | 1160 |
| Isopropanol | 67-63-0 | EPA TO-17 | 1689 |
| Isopropyl acetate | 108-21-4 | EPA TO-17 | 1689 |
| Isopropyl acetate | 108-21-4 | OSHA 07 | 1148 |
| Isopropyl alcohol | 67-63-0 | EPA TO-17 | 1689 |
| Isopropyl alcohol | 67-63-0 | OSHA 07 | 1147 |
| N-Isopropyl aniline | 768-52-5 | OSHA 78 | 1228 |
| Isopropyl benzene | 98-82-8 | EPA TO-17 | 1689 |
| Isopropyl ether | 108-20-3 | OSHA 07 | 1146 |
| Isopropyl glycidyl ether (IGE) | 4016-14-2 | OSHA 07 | 1145 |
| Isopropyl benzene | 98-82-8 | EPA TO-17 | 1689 |
| Kaolin (particulates, respirable) | 1332-58-7 | NIOSH 0600 | 1038 |
| Kaolin (particulates, total) | 1332-58-7 | NIOSH 0500 | 1035 |
| Ketones | | EPA TO-5 | 1671 |
| Lanthanum (elements) | 7439-91-0 | NIOSH 7300 | 1455 |
| Lead | 7439-92-1 | NIOSH 7082 | 1034 |
| Lead | 7439-92-1 | NIOSH 7105 | 1034 |
| Lead (elements) | 7439-92-1 | NIOSH 7300 | 1034 |
| Lead (in air by chemical spot test) | 7439-92-1 | NIOSH 7700 | 1369 |
| Lead, inorganic fumes & dusts (as Pb) | 7439-92-1 | OSHA ID 121 | 1196 |
| Lead, inorganic surface dusts (as Pb) | 7439-92-1 | OSHA ID 121 | 1179 |
| Lead oxide (as lead) | 1317-36-8 | NIOSH 7082 | 1034 |
| Lead oxide (as Pb) | 1317-36-8 | NIOSH 7105 | 1034 |
| Limestone (particulates, total) | 1317-65-3 | NIOSH 0500 | 1035 |
| Limonene | 138-86-3 | EPA TO-17 | 1689 |
| Lithium (elements) | 7439-93-2 | NIOSH 7300 | 1455 |
| Magnesite (particulates, respirable) | 546-93-0 | NIOSH 0600 | 1038 |
| Magnesite (particulates, total) | 546-93-0 | NIOSH 0500 | 1035 |
| Magnesium (elements) | 7439-95-4 | NIOSH 7300 | 1455 |
| Magnesium | 7439-95-4 | OSHA ID 121 | 1192 |
| Magnesium oxide fume (respirable dust) | 1309-48-4 | OSHA ID 121 | 1214 |
| Magnesium oxide fume (total dust) | 1309-48-4 | OSHA ID 121 | 1213 |
| Malathion | 121-75-5 | OSHA 62 | 1397 |
| Maleic anhydride | 108-31-6 | EPA TO-17 | 1689 |
| Manganese (elements) | 7439-96-5 | NIOSH 7300 | 1455 |
| Manganese & compounds (as Mn) | 7439-96-5 | OSHA ID 121 | 1194 |
| Manganese fume (as Mn) | 7439-96-5 | OSHA ID 121 | 1195 |
| Manganese tetroxide (as Mn) | 1317-35-7 | OSHA ID 121 | 1191 |
| Marble (particulates, respirable) | 1317-65-3 | NIOSH 0600 | 1038 |
| Marble (particulates, total) | 1317-65-3 | NIOSH 0500 | 1035 |
| MDI (4,4'-methylenebisphenyl isocyanate) (isocyanates) | 101-68-8 | NIOSH 5521 | 1001 |
| Mercaptans (see specific compounds) | | NIOSH 2542 | 1330 |
| Mercury (vapor) | 7439-97-6 | OSHA ID 140 | 1677 |
| Mesitylene | 108-67-8 | EPA TO-17 | 1689 |
| Mesityl oxide | 141-79-7 | OSHA 07 | 1144 |
| Metal & metalloid particulates | | OSHA ID 121 | 1177 |
| Metal & metalloid particulates | | OSHA ID 125G | 1371 |
| Metals, trace (elements) | | NIOSH 7300 | 1455 |
| Metals in workplace atmospheres | | ASTM D 4185 | 1426 |
| Metalworking fluids (total particulates) | | NIOSH 5524 | 1726 |
| Methanol | 67-56-1 | EPA TO-17 | 1689 |
| 1-Methoxy-2-propanol | 107-98-2 | EPA TO-17 | 1689 |
| 2-Methoxyethanol | 109-86-4 | EPA TO-17 | 1689 |
| 2-Methoxyethanol (methyl CELLOSOLVE solvent) (alcohols IV) | 109-86-4 | NIOSH 1403 | 1274 |
| 2-Methoxyethanol (methyl CELLOSOLVE solvent) | 109-86-4 | OSHA 79 | 1277 |
| 2-Methoxyethyl acetate | 110-49-6 | EPA TO-17 | 1689 |
| 2-Methoxyethyl acetate (methyl CELLOSOLVE acetate) | 110-49-6 | OSHA 79 | 1277 |
| Methoxypropanol | 1320-67-8 | EPA TO-17 | 1689 |
| Methyl chloroform | 71-55-6 | EPA TO-17 | 1689 |
| 1-Methyl-2-ethyl benzene | 611-14-3 | EPA TO-17 | 1689 |
| 1-Methyl-3-ethyl benzene | 620-14-4 | EPA TO-17 | 1689 |
| 1-Methyl-4-ethyl benzene | 622-96-8 | EPA TO-17 | 1689 |
| Methyl acetate | 79-20-9 | EPA TO-17 | 1689 |
| Methyl acetate | 79-20-9 | OSHA 07 | 1143 |
| Methyl acetylene-propadiene mixture (MAPP) | 59355-75-8 | OSHA 07 | 1142 |
| Methyl acrylate | 96-33-3 | EPA TO-17 | 1689 |
| Methyl alcohol | 67-56-1 | EPA TO-17 | 1689 |
| Methyl alcohol (RH < 50% at 25 C) | 67-56-1 | OSHA 91 | 1328 |
| Methyl alcohol (RH > 50% at 25 C) | 67-56-1 | OSHA 91 | 1328 |
| Methyl CELLOSOLVE acetate (2-methoxyethyl acetate) | 110-49-6 | OSHA 79 | 1277 |
| Methyl CELLOSOLVE solvent (2-methoxyethanol) (alcohols IV) | 109-86-4 | NIOSH 1403 | 1274 |
| Methyl CELLOSOLVE solvent (2-methoxyethanol) | 109-86-4 | OSHA 79 | 1277 |
| Methyl chloroform | 71-55-6 | EPA TO-17 | 1689 |
| Methyl cyclohexane | 108-87-2 | OSHA 07 | 1069 |
| 4,4'-Methylenebis(2-chloroaniline) (MOCA) | 101-14-4 | OSHA 71 | 1234 |
| 4,4-Methylene bisphenyl isocyanate (MDI) (isocyanates) | 101-68-8 | NIOSH 5521 | 1001 |
| 4,4-Methylene bisphenyl isocyanate (MDI) | 101-68-8 | OSHA 47 | 1242 |
| Methylene chloride (Dichloromethane) | 75-09-2 | EPA TO-17 | 1689 |
| Methylene chloride | 75-09-2 | NIOSH 1005 | 1018 |
| Methylene chloride | 75-09-2 | OSHA 59 | 1358 |
| Methylene chloride | 75-09-2 | OSHA 80 | 1333 |
| 4,4'-Methylenedianiline (MDA) | 101-77-9 | OSHA 57 | 1240 |
| Methyl ethyl ketone | 78-93-3 | EPA TO-17 | 1689 |
| Methyl ethyl ketone (MEK) (see 2-butanone) | 78-93-3 | NIOSH 2500 | 1012 |
| Methyl ethyl ketone (MEK, 2-butanone) (see Passive Sampling Guide) | 78-93-3 | OSHA 1004 | 1745 |
| Methyl ethyl ketone (MEK) | 78-93-3 | OSHA 1004 | 1745 |
| Methyl ethyl ketone peroxide | 1338-23-4 | NIOSH 3508 | 1002 |
| Methyl isobutyl carbinol (methyl amyl alcohol) | 108-11-2 | OSHA 07 | 1068 |
| Methyl isobutyl ketone | 108-10-1 | EPA TO-17 | 1689 |
| Methyl isobutyl ketone (MIBK, hexone) | 108-10-1 | OSHA 07 | 1070 |
| Methyl isobutyl ketone (MIBK, hexone) | 108-10-1 | OSHA 1004 | 1745 |
| Methyl isobutyl ketone (MIBK, hexone) (see Passive Sampling Guide) | 108-10-1 | OSHA 1004 | 1745 |
| Methyl mercaptan | 74-93-1 | NIOSH 2542 | 1330 |
| Methyl mercaptan | 74-93-1 | NON 42 | 1412 |
| Methyl methacrylate | 80-62-6 | EPA TO-17 | 1689 |
| Methylphenols | | EPA TO-8 | 1668 |
| Methyl styrene | 25013-15-4 | EPA TO-17 | 1689 |
| alpha-Methyl styrene | 98-83-9 | OSHA 07 | 1066 |
| Methyl-t-butyl-ether (MTBE) | 1634-04-4 | EPA TO-17 | 1689 |
| Methyl-tert-butyl ether (MTBE) | 1634-04-4 | NIOSH 1615 | 1017 |
| Methyl n-amyl ketone | 110-43-0 | EPA TO-17 | 1689 |
| Mineral wool fiber (particulates, respirable) | 546-93-0 | NIOSH 0600 | 1038 |
| Mineral wool fiber (particulates, total) | 546-93-0 | NIOSH 0500 | 1035 |
| Molybdenum (elements) | 7439-98-7 | NIOSH 7300 | 1455 |
| Molybdenum solubles (as Mo) | 7439-98-7 | OSHA ID 121 | 1211 |
| Molybdenum insolubles (as Mo), respirable fraction | 7439-98-7 | OSHA ID 121 | 1212 |
| Naphthalene | 91-20-3 | OSHA 35 | 1060 |
| alpha-Naphthylamine | 134-32-7 | OSHA 93 | 1232 |
| Nickel (elements) | 7440-02-0 | NIOSH 7300 | 1455 |
| Nickel (metal, soluble, & insoluble compounds as Ni) | 7440-02-0 | OSHA ID 121 | 1044 |
| Nickel (soluble compounds as Ni) | 7440-02-0 | OSHA ID 121 | 1197 |
| Nicotine & 3-ethenylpyridine | | ASTM D 5075 | 1427 |
| Nitric oxide & nitrogen dioxide | 10102-43-9 | NIOSH 6014 | 1390 |
| Nitrobenzene | 98-95-3 | EPA TO-17 | 1689 |
| Nitrogen dioxide | 10102-44-0 | OSHA ID 182 | 1406 |
| Nitrogen dioxide & nitric oxide | 10102-44-0 and 10102-43-9 | NIOSH 6014 | 1390 |
| Nitrogen dioxide & nitric oxide | 10102-44-0 & 10102-43-9 | OSHA ID 182 | 1389 |
| Nitrous oxide | 10024-97-2 | NIOSH 6600 | 1028 |
| Nonane | 111-84-2 | EPA TO-17 | 1689 |
| Nuisance dust (particulates, respirable) | | NIOSH 0600 | 1038 |
| Nuisance dust (particulates, total) | | NIOSH 0500 | 1035 |
| Octane | 111-65-9 | OSHA 07 | 1141 |
| n-Octane | 111-65-9 | EPA TO-17 | 1689 |
| Octanol | 111-87-5 | EPA TO-17 | 1689 |
| Octyl alcohol | 111-87-5 | EPA TO-17 | 1689 |
| Oil mist (mineral) | 8012-95-1 | NIOSH 5026 | 1526 |
| Paper fiber (cellulose) (particulates, respirable) | 9004-34-6 | NIOSH 0600 | 1038 |
| Paper fiber (cellulose) (particulates, total) | 9004-34-6 | NIOSH 0500 | 1035 |
| Parathion | 56-38-2 | OSHA 62 | 1398 |
| Particulates not otherwise regulated, respirable | | NIOSH 0600 | 1038 |
| Particulates, respirable | | NIOSH 0600 | 1038 |
| Particulates not otherwise regulated, respirable | | NIOSH 0600 | 1038 |
| Particulates, respirable | | NIOSH 0600 | 1038 |
| Particulates not otherwise regulated, respirable | | NIOSH 0600 | 1038 |
| Particulates, respirable | | NIOSH 0600 | 1038 |
| Particulates not otherwise regulated, respirable | | NIOSH 0600 | 1038 |
| Particulates, total (see specific compounds) | | NIOSH 0500 | 1035 |
| Pentaerythritol (particulates, respirable) | 115-77-5 | NIOSH 0600 | 1038 |
| Pentaerythritol (particulates, total) | 115-77-5 | NIOSH 0500 | 1035 |
| Pentane | 109-66-0 | OSHA 07 | 1140 |
| n-Pentane | 109-66-0 | EPA TO-17 | 1689 |
| 2-Pentanone (methyl propyl ketone) | 107-87-9 | OSHA 07 | 1139 |
| Perchloroethylene | 127-18-4 | EPA IP-1B | 1689 |
| Perchloroethylene | 127-18-4 | EPA TO-17 | 1689 |
| Pesticides, organophosphorus | | ASTM D 4861 | 1253 |
| Pesticides, organochlorine | | ASTM D 4861 | 1253 |
| Pesticides, organophosphorus | | ASTM D 4861 | 1253 |
| Pesticides, organochlorine | | ASTM D 4861 | 1253 |
| Pesticides | | EPA IP-8 | 1675 |
| Pesticides | | EPA TO-10A | 1675 |
| Pesticides, organochlorine | | EPA TO-4A | 1670 |
| PCBs (polychlorinated biphenyls) | | EPA TO-4A | 1670 |
| Pesticides, organochlorine | | EPA TO-4A | 1670 |
| Phenol | 108-95-2 | EPA TO-17 | 1689 |
| Phenol | 108-95-2 | EPA TO-8 | 1668 |
| Phenol | 108-95-2 | OSHA 32 | 1019 |
| m-Phenylenediamine | 108-45-2 | OSHA 87 | 1231 |
| Phenyl ether | 101-84-8 | OSHA 07 | 1138 |
| Phenyl glycidyl ether | 122-60-1 | OSHA 07 | 1137 |
| Phosgene | 75-44-5 | EPA TO-6 | 1669 |
| Phosphine | 7803-51-2 | OSHA 1003 | 1698 |
| Phosphoric acid | 7664-38-2 | OSHA ID 111 | 1466 |
| Phosphorus (elements) | 7723-14-0 | NIOSH 7300 | 1455 |
| Plaster of Paris (particulates, respirable) | 26499-65-0 | NIOSH 0600 | 1038 |
| Plaster of Paris (particulates, total) | 26499-65-0 | NIOSH 0500 | 1035 |
| PM2.5 | | EPA IP-10A | 1663 |
| PNAs (see specific compounds) | | NIOSH 5506 | 1464 |
| PNAs (see specific compounds) | | NIOSH 5515 | 1464 |
| Polychlorinated biphenyls | | ASTM D 4861 | 1252 |
| Polycyclic aromatic hydrocarbons (PAHs) | | EPA TO-13A | 1672 |
| Polynuclear aromatic hydrocarbons (see specific compounds) | | NIOSH 5506 | 1464 |
| Polynuclear aromatic hydrocarbons (see specific compounds) | | NIOSH 5515 | 1464 |
| Portland cement (particulates, respirable) | 65997-15-1 | NIOSH 0600 | 1038 |
| Portland cement (particulates, total) | 65997-15-1 | NIOSH 0500 | 1035 |
| Potassium (elements) | 7440-09-7 | NIOSH 7300 | 1455 |
| Potassium hydroxide (as K) | 1310-58-3 | OSHA ID 121 | 1199 |
| n-Propanol | 71-23-8 | EPA TO-17 | 1689 |
| Propionitrile | 107-12-0 | EPA TO-17 | 1689 |
| n-Propyl acetate | 109-60-4 | EPA TO-17 | 1689 |
| n-Propyl acetate | 109-60-4 | OSHA 07 | 1136 |
| Propyl alcohol | 71-23-8 | EPA TO-17 | 1689 |
| n-Propyl benzene | 103-65-1 | EPA TO-17 | 1689 |
| Propylene glycol | 57-55-6 | NIOSH 5523 | 1403 |
| Propylene oxide (1, 2-epoxypropane) | 75-56-9 | OSHA 88 | 1325 |
| Pyrethrum | 8003-34-7 | OSHA 70 | 1400 |
| Pyridine | 110-86-1 | EPA TO-17 | 1689 |
| Pyridine | 110-86-1 | OSHA 07 | 1180 |
| Quartz (silica, crystalline by VAS) | 14808-60-7 | NIOSH 7601 | 1041 |
| Quartz (silica, crystalline [respirable]) by XRD | 14808-60-7 | NIOSH 7500 | 1370 |
| Rouge (particulates, respirable) | 1309-37-1 | NIOSH 0600 | 1038 |
| Rouge (particulates, total) | 1309-37-1 | NIOSH 0500 | 1035 |
| Selenium (elements) | 7782-49-2 | NIOSH 7300 | 1455 |
| Silica, crystalline by VAS | 14808-60-7 | NIOSH 7601 | 1041 |
| Silica, crystalline (respirable) by XRD | 7631-86-9 | NIOSH 7500 | 1370 |
| Silica, crystalline quartz (respirable dust) | 14808-60-7 | OSHA ID 142 | 1003 |
| Silicon carbide (particulates, respirable) | 409-21-2 | NIOSH 0600 | 1038 |
| Silicon carbide (particulates, total) | 409-21-2 | NIOSH 0500 | 1035 |
| Silicon (particulates, respirable) | 7440-21-3 | NIOSH 0600 | 1038 |
| Silicon (particulates, total) | 7440-21-3 | NIOSH 0500 | 1035 |
| Silver (Ag) (elements) | 7440-22-4 | NIOSH 7300 | 1455 |
| Silver, metal & soluble compounds (as Ag) | 7440-22-4 | OSHA ID 121 | 1198 |
| Silver, metal & soluble compounds (ICP analysis of metal/metalloid particulates from solder operations) | 7440-22-4 | OSHA ID 206 | 1279 |
| Sodium bisulfite | 7631-90-5 | OSHA ID 121 | 1203 |
| Sodium hydroxide | 1310-73-2 | OSHA ID 121 | 1042 |
| Starch (particulates, respirable) | 9005-25-8 | NIOSH 0600 | 1038 |
| Starch (particulates, total) | 9005-25-8 | NIOSH 0500 | 1035 |
| Strontium (elements) | 7440-24-6 | NIOSH 7300 | 1455 |
| Styrene | 100-42-5 | EPA TO-17 | 1689 |
| Styrene (phenylethylene) | 100-42-5 | OSHA 89 | 1368 |
| Sucrose (particulates, respirable) | 57-50-1 | NIOSH 0600 | 1038 |
| Sucrose (particulates, total) | 57-50-1 | NIOSH 0500 | 1035 |
| Sulfur dioxide | 7446-09-5 | NIOSH 6004 | 1331 |
| Sulfur dioxide | 7446-09-5 | OSHA ID 200 | 1461 |
| Sulfur dioxide (using prefilter) | 7446-09-5 | OSHA ID 200 | 1622 |
| Sulfur hexafluoride by portable GC | 2551-62-4 | NIOSH 6602 | 1023 |
| Sulfuric acid | 7664-93-9 | OSHA ID 113 | 1465 |
| Sulfuric acid mist | 7664-93-9 | ASTM D 4856 | 1431 |
| 2,4-TDI (toluene diisocyanate) | 584-84-9 | OSHA 42 | 1458 |
