选择呼吸保护装置的指示是基于目前的知识。在每次使用ELIPSE呼吸器装置之前,买方和用户必须确保使用的口罩和过滤器是针对污染物的类型及其浓度指定的。产品的选择和使用的最终责任仅由买方和用户承担。
除尘过滤器能够保留空气中的微粒,并在各种结构中提供通过使用各种不同厚度、孔隙和表面的过滤材料来增强过滤器的特性,以防止微粒、气体和有害气体及气味。活性炭滤芯含有特定的活性炭,通过吸附来阻止一定的气体和蒸汽,而复合滤芯可以同时去除气体、蒸汽和微粒。
粉尘:当固体物质被分解成小碎片时,粉尘就形成了。粉尘越细,风险越大。
薄雾:薄雾是由液体物质通过雾化和冷凝过程(如喷漆)形成的微小液滴。
烟雾:当固体物质被高温汽化时产生的烟雾。蒸汽迅速冷却并凝结成非常细的颗粒。
呼吸过滤器有3个级别的保护,提高效率,通常用一个名义
保护系数(NPF)是指环境中污染物浓度与污染物浓度之比
在面具。产生的系数表示设备可以减少多少次的外部浓度。
防尘口罩效率等级
P1(面罩防尘过滤1级)80%过滤效率:4(NPF)
P2(面罩防尘过滤1级)95%过滤效率:10(NPF)
P2(面罩防尘过滤1级)99.95%过滤效率:40(NPF)
气体和蒸气:气体和蒸气是一种微小分子,可穿透颗粒过滤器。需要采用化学过滤器才能滤除气体和蒸气。
防毒面罩采用活性炭过滤器,通过物理或化学吸附滤除有害物质(通过特定字母与颜色表示)。
| 类别: | 防护: | 等级: | |
|
|
A | 沸点在65℃以上的有机气体和蒸气 | 1,2,3 |
|
|
B | 无机气体和蒸气(一氧化碳除外) | 1,2,3 |
|
|
E | 二氧化碳和其他酸性气体/蒸气 | 1,2,3 |
|
|
K | 氨气和有机氨的衍生物 | 1,2,3 |
|
|
AX | 沸点≤65℃的有机气体和蒸气。专供单独使用。 | 1,2,3 |
根据所吸附的污染物的数量,每一类防气体过滤器具有3种保护等级。因此具体应选用哪种过滤器取决于污染物可能达到的浓度。
| 等级: | 过滤性能: | 使用限制: |
| 1 | 低 | 1,000ppm |
| 2 | 中等 | 5,000ppm |
| 3 | 高 | 10,000ppm |
混合过滤器(气体和除尘)除了标明特定气体的颜色,同时还在其白带及标记上用不同字母表示过滤效率等级。
过滤寿命取决于许多可变因素;穿戴者的呼吸频率、污染物的特性和水平、使用者接触污染物的时间长度以及温度和湿度等环境条件。饱和或使用过的滤芯会向佩戴者泄漏微量污染物,可通过气味、味道和刺激检测到。如果检测到污染物,应立即更换过滤器。
| Hazard | Chemical Formula | CAS | Type | Measure | Gas | Particulate |
|---|---|---|---|---|---|---|
| (Methylamino)benzene | C6H5NHCH3 | 100-61-8 | Liquid | ppm | A | |
| @Azacyclohexane | CH2(CH2)4NH | 110-89-4 | Liquid | ppm | A | |
| [(2-PropenyIoxy)methyI] oxirane | C6H10O2 | 106-92-3 | Liquid | ppm | A | |
| 1- chloro- 2,3- epoxy- propane | C3H5OCI | 106-89-8 | Liquid | ppm | A | P3 |
| 1- methoxypropan- 2- ol | CH3OCH2CHCH3 | 107-98-2 | Liquid | ppm | A | |
| 1- Methyl- 2- pyrrolidone | C5 H9 N O | 872-50-4 | Liquid | ppm | A | P3 |
| 1- Methyl- 2-Pyrrolidone | C5 H9 N O | 872-50-4 | Liquid | ppm | A | P3 |
| 1,1- Dichloroethane | CHCI2CH3 | 75-34-3 | Liquid | ppm | AX | |
| 1,1- dichloroethylene | CH2=CCI | 75-35-4 | Liquid | ppm | AX | P3 |
| 1,1,1- trichlorobis( chlorophenyl) ethane | (C6H4CI)2CHCCI3 | 50-29-3 | Solid | mg/m3 | P3 | |
| 1,1,1- trichloroethane | CH3CCl3 | 71-55-6 | Liquid | ppm | A | |
| 1,1,1,2- Tetrachloro- 2,2- Difluoroethane | CCl3CClF2 | 76-11-9 | Solid | ppm | A | |
| 1,1,1-Trifluoro-2-bromo-2-chloroethane | CF3CHBrCl | 151-67-7 | Liquid | ppm | ||
| 1,1,2- Trichlorotrifluoroethane | CCl2FCClF2 | 76-13-1 | Liquid | ppm | ||
| 1,1,2,2- tetrabromoethane | CHBr2CHBr2 | 79-27-6 | Liquid | ppm | A | P3 |
| 1,1,2,2- tetrachloro- 1,2- difluoroethane | CCl2FCCl2F | 76-12-0 | Solid | ppm | A | |
| 1,1'-Dimethyl-4,4'-bipyridinium dichloride | CH3(C5H4N)2CH3 • 2CI | 1910-42-5 | Solid | mg/m3 | A | P3 |
| 1,1'-Ethylene-2,2'-bipyridyllium dibromide | C12H12N2Br2 | 85-00-7 | Solid | mg/m3 | P3 | |
| 1,1'-Thiobis(2-methyl-4-hydroxy 5-tert-butylbenzene) | [CH3(OH)C6H2C(CH3)3]2S | 96-69-5 | Solid | mg/m3 | P3 | |
| 1,2- diaminoethane | NH2CH2CH2NH2 | 107-15-3 | Liquid | ppm | A | |
| 1,2- Dibromo- 2,2dichloroethylmethyl phosphate | (CH3O)2P(O)OCHBrCBrCl2 | 300-76-5 | Solid | mg/m3 | A | P3 |
| 1,2- dibromo- 3- chloropropane | CH2BrCHBrCH2Cl | 96-12-8 | Liquid | ppm | ||
| 1,2- Dibromoethane | BrCH2CH2Br | 106-93-4 | Liquid | ppm | A | |
| 1,2- dichloroethane (ethylene dichloride) | ClCH2CH2Cl | 107-06-2 | Liquid | ppm | A | |
| 1,2- dichlorotetra- fluoroethane | CCIF2CCIF2 | 76-14-2 | Gaz | ppm | ||
| 1,2,3- Trichloropropane | CH2ClCHClCH2Cl | 96-18-4 | Liquid | ppm | A | |
| 1,2,3,4,10,10-HexachIoro-6,7-epoxy 1,4,4a,5,6,7,8,8a-octahydro 1,4-endo,endo-5,8-dimethanonaphthaIene | C12H8CI6O | 72-20-8 | Solid | mg/m3 | P3 | |
| 1,2,3,4,10,10-Hexachloro 1,4,4a,5,8,8a-hexahydro-endo-1,4-exo 5,8-dimethanonaphthalene | C12H8Cl6 | 309-00-2 | Solid | mg/m3 | AB | P3 |
| 1,2,3,4,10,10-Hexachloro-6,7-epoxy 1,4,4a,5,6,7,8,8a-octahydro-1,4-endo,exo 5,8-dimethanonaphthalene | C12H8Cl6O | 60-57-1 | Solid | mg/m3 | A | P3 |
| 1,2,3,4,5,6,7,8-octachloronaphthalene | C10Cl8 | 2234-13-1 | Solid | mg/m3 | A | P3 |
| 1,2,3-propanetriol | HOCH2CH(OH)CH2OH | 56-81-5 | Liquid | mg/m3 | A | P3 |
| 1,2,3-Propanetriol trinitrate | CH2NO3CHNO3CH2NO3 | 55-63-0 | Liquid | mg/m3 | A | P3 |
| 1,2,4- Trichlorobenzene | C6H3Cl3 | 120-82-1 | Liquid | ppm | A | P3 |
| 1,2,4-Benzenetricarboxylic anhydride | C9H4O5 | 552-30-7 | Solid | mg/m3 | A | P3 |
| 1,2,4-Benzenetricarboxylic anhydride | C9H4O5 | 552-30-7 | Solid | mg/m3 | A | P3 |
| 1,2,4-Benzenetricarboxylic anhydride | C9H4O5 | 552-30-7 | Solid | mg/m3 | A | P3 |
| 1,2,4-Trichlorobenzol | C6H3Cl3 | 120-82-1 | Liquid | ppm | A | P3 |
| 1,2-Benzenedicarboxylic anhydride | C6H4(CO)2O | 85-44-9 | Solid | ppm | P3 | |
| 1,2-Benzenedicarboxylic anhydride | C6H4(CO)2O | 85-44-9 | Solid | ppm | P3 | |
| 1,2-benzenediol | C6H4(OH)2 | 120-80-9 | Solid | mg/m3 | A | P3 |
| 1,2-Dibromo-2,2-dichloroethyl dimethyl phosphate | (CH3O)2P(O)OCHBrCBrCl2 | 300-76-5 | Solid | mg/m3 | A | P3 |
| 1,2-dichloroethane | CICH2CH2CI | 107-06-2 | Liquid | ppm | A | |
| 1,2-Difluoro-1,1,2,2-Tetrachloroethane | CCl2FCCl2F | 76-12-0 | Solid | ppm | A | |
| 1,2-Dihydroxybenzene | C6H4(OH)2 | 120-80-9 | Solid | mg/m3 | A | P3 |
| 1,2-Dihydroxyethane | HOCH2CH2OH | 107-21-1 | Liquid | ppm | A | P3 |
| 1,2-Diphenylbenzene | C6H5C6H4C6H5 | 84-15-1 | Solid | ppm | P3 | |
| 1,2-Epoxy-3-isopropoxypropane | C6H12O2 | 4016-14-2 | Liquid | ppm | A | |
| 1,2-Epoxy-3-phenoxy propane | C9H10O2 | 122-60-1 | Liquid | ppm | A | |
| 1,2-Ethanediamine | NH2CH2CH2NH2 | 107-15-3 | Liquid | ppm | A | |
| 1,2-EthanedioI dinitrate | O2NOCH2CH2ONO2 | 628-96-6 | Liquid | ppm | A | P |
| 1,2-ethanediol | HOCH2CH2OH | 107-21-1 | Liquid | ppm | A | P3 |
| 1,2-ipoxy ethane | C2H4O | 75-21-8 | Liquid | ppm | AX | |
| 1,2-Propylene glycol dinitrate | CH3CNO2OHCHNO2OH | 6423-43-4 | Liquid | ppm | A | P3 |
| 1,3- butadiene | CH2=CHCH=CH2 | 106-99-0 | Liquid | ppm | AX | |
| 1,3- Dichloro- 5,5- dimethyl- hydantoin | C5H6Cl2N2O2 | 118-52-5 | Solid | mg/m3 | ABEK | P3 |
| 1,3- Dimethylbutyl acetate | C8 H16 O2 | 108-84-9 | Liquid | ppm | A | |
| 1,3,5-Trimethylbenzene | C6H3(CH3)3 | 108-67-8 | Liquid | ppm | A | |
| 1,3,5-Trinitro-1,3,5-Triazacyclohexane | C3H6N6O6 | 121-82-4 | Solid | mg/m3 | P3 | |
| 1,3-Benzenediol | C6H4(OH)2 | 108-46-3 | Solid | ppm | A | P3 |
| 1,3-Dicyclopentadiene dimer | C10 H12 | 77-73-6 | Solid | ppm | A | P3 |
| 1,3-Dihydroxybenzene | C6H4(OH)2 | 108-46-3 | Solid | ppm | A | P3 |
| 1,4- dichlorobenzene | C6 H4 Cl2 | 106-46-7 | Solid | ppm | A | |
| 1,4- dioxane, tech. Grade | C4H8O2 | 123911 | Liquid | ppm | A | P3 |
| 1,4- dioxane, tech. Grade | C4H8O2 | 123-91-1 | Liquid | ppm | A | P3 |
| 1,4-benzenediamine | C6H4(NH2)2 | 106-50-3 | Solid | mg/m3 | A | P3 |
| 1,4-benzenediol | C6H4(OH)2 | 123-31-9 | Solid | mg/m3 | A | P3 |
| 1,4-Cyclohexadiene dioxide | OC6H4O | 106-51-4 | Solid | ppm | A | P3 |
| 1,4-dihydroxybenzene | C6H4(OH)2 | 123-31-9 | Solid | mg/m3 | A | P3 |
| 1,4-dinitrobenzene | C6H4(NO2)2 | 100-25-4 | Solid | mg/m3 | A | P3 |
| 1,4-epoxybutane | C4H8O | 109-99-9 | Liquid | ppm | A | |
| 1,4-Phenylene diamine | C6H4(NH2)2 | 106-50-3 | Solid | mg/m3 | A | P3 |
| 1,5-diisocyanatonaphthalene | C10H6(NCO)2 | 3173-72-6 | Solid | mg/m3 | A2B2 | P3 |
| 1,5-pentanedial | OCH(CH2)3CHO | 111-30-8 | Liquid | ppm | A2 | P3 |
| 1,6- hexanolactam | C6H11NO | 105-60-2 | Solid | ppm | A | P3 |
| 1-Acetoxyethylene | CH2=CHOOCCH3 | 108-05-4 | Liquid | ppm | A | |
| 1-AlIyIoxy-2,3-epoxypropane | C6H10O2 | 106-92-3 | Liquid | ppm | A | |
| 1-Allyloxy-2,3-epoxypropane | C6H10O2 | 106-92-3 | Liquid | ppm | A | |
| 1-Allyloxy-2,3-epoxypropane | C6H10O2 | 106-92-3 | Liquid | ppm | A | |
| 1-aminobutane | CH3CH2CH2CH2NH2 | 109-73-9 | Liquid | ppm | BK | |
| 1-butanol | CH3CH2CH2CH2OH | 71-36-3 | Liquid | ppm | A | |
| 1-ChIoro-2-methyIbenzene | ClC6H4CH3 | 95-49-8 | Liquid | ppm | A | |
| 1-Chloro- 4- nitrobenzene | ClC6H4NO2 | 100-00-5 | Solid | mg/m3 | AB | P3 |
| 1-Chloro-2,3-dibromopropane | CH2BrCHBrCH2Cl | 96-12-8 | Liquid | ppm | ||
| 1-Chloro-2-propene | CH2=CHCH2Cl | 107-05-1 | Liquid | ppm | AX | |
| 1-hydroxybutane | CH3CH2CH2CH2OH | 71-36-3 | Liquid | ppm | A | |
| 1-Hydroxybutane | CH3CH2CH2CH2OH | 71-36-3 | Liquid | ppm | A | |
| 1-Methoxy-2-propanol | CH3OCH2CHCH3 | 107-98-2 | Liquid | ppm | A | |
| 1-Methyl-2-aminobenzene | CH3C6H4NH2 | 95-53-4 | Liquid | ppm | A | P3 |
| 1-Methyl-2-aminobenzene | CH3C6H4NH2 | 95-53-4 | Liquid | ppm | A | P3 |
| 1-Methylbutyl acetate, | CH3COOCH(CH3)C3H7 | 626-38-0 | Liquid | ppm | A | |
| 1-Methylbutyl acetate, | CH3COOCH(CH3)C3H7 | 626-38-0 | Liquid | ppm | A | |
| 1-Methylbutyl acetate, | CH3COOCH(CH3)C3H7 | 626-38-0 | Liquid | ppm | A | |
| 1-Methylpropyl acetate | CH3COOCH(CH3)CH2CH3 | 105-46-4 | Liquid | ppm | A | P3 |
| 1-Naphthyl N-Methyl-carbamate | CH3NHCOOC10H7 | 63-25-2 | Solid | mg/m3 | A | |
| 1-np | CH3CH2CH2NO2 | 108-03-2 | Liquid | ppm | A | P3 |
| 1-Pentanol acetate | CH3COO[CH2]4CH3 | 628-63-7 | Liquid | ppm | A | |
| 1-propanol | CH3CH2CH2OH | 71-23-8 | Liquid | ppm | A | |
| 1-propanol | CH3CH2CH2OH | 71-23-8 | Liquid | ppm | A | |
| 1-Propen-3-ol | CH2=CHCH2OH | 107-18-6 | Liquid | ppm | A | |
| 1-Propyn-3-ol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| 2- aminoethanol | NH2CH2CH2OH | 141-43-5 | Liquid | ppm | A | |
| 2- aminoethanol | NH2CH2CH2OH | 141-43-5 | Liquid | ppm | A | |
| 2- aminopyridine | NH2C5H4N | 504-29-0 | Solid | mg/m3 | A | P3 |
| 2- butoxyethanol | C4H9OCH2CH2OH | 111-76-2 | Liquid | ppm | A | P3 |
| 2- butoxyethanol | C4H9OCH2CH2OH | 111-76-2 | Liquid | ppm | A | P3 |
| 2- chloro- 6-( trichloromethyl) pyridine | ClC5H3NCCl3 | 1929-82-4 | Solid | mg/m3 | AB | P3 |
| 2- chloroacetophenone | C6H5COCH2Cl | 532-27-4 | Solid | ppm | ABEK | P3 |
| 2- chlorobuta- 1,3- diene | CH2=CClCH=CH2 | 126-99-8 | Liquid | ppm | AX | P3 |
| 2- chlorotoluene | ClC6H4CH3 | 95-49-8 | Liquid | ppm | A | |
| 2- Diethylaminoethanol | (C2H5)2NCH2CH2OH | 100-37-8 | Liquid | ppm | K | |
| 2- ethoxyethyl acetate | CH3COOCH2CH2OCH2CH3 | 111-15-9 | Liquid | ppm | A | |
| 2- ethylhexyl chloroformate | Cl1 C7 O2 H12 | 24468-13-1 | Liquid | ppm | A | P3 |
| 2- ethylhexyl chloroformate | Cl1 C7 O2 H12 | 24468-13-1 | Liquid | ppm | A | P3 |
| 2- furaldehyde | C5H4O2 | 98-01-1 | Liquid | ppm | A | |
| 2- Furaldehyde | C5H4O2 | 98-01-1 | Liquid | ppm | A | |
| 2- hydroxypropyl acrylate | CH2=CHCOOCH2CHOHCH3 | 999-61-1 | Liquid | ppm | A | |
| 2- Methoxyethyl acetate | CH3COOCH2CH2OCH3 | 110-49-6 | Liquid | ppm | A | |
| 2 Methyl 2 Pentanol 4 One | CH3COCH2C(CH3)2OH | 123-42-2 | Liquid | ppm | A | |
| 2- Methyl- 4,6-Dinitrophenol | CH3C6H2OH(NO2)2 | 534-52-1 | Solid | mg/m3 | P3 | |
| 2- Methylaziridine | C3H7N | 75-55-8 | Liquid | ppm | K | P3 |
| 2- Methylcyclohexanone | CH3C6H9O | 583-60-8 | Liquid | ppm | A | |
| 2- Methylpentane- 2,4- diol | (CH3)2COHCH2CHOHCH3 | 107-41-5 | Liquid | ppm | A | |
| 2- methylpentane- 2,4- diol | (CH3)2COHCH2CHOHCH3 | 107-41-5 | Liquid | ppm | A | |
| 2- methylpropan- 1- ol | (CH3)2CHCH2OH | 78-83-1 | Liquid | ppm | A | |
| 2- Methylpropan- 1- ol | (CH3)2CHCH2OH | 78-83-1 | Liquid | ppm | A | |
| 2- methylpropan- 2- ol | (CH3)3COH | 75-65-0 | Liquid | ppm | A | |
| 2- nitronaphthalene | C10H7NO2 | 581-89-5 | Solid | A | P | |
| 2- Nitropropane | (CH3)2CH(NO2) | 79-46-9 | Liquid | ppm | A | P3 |
| 2- Pyridylamine | NH2C5H4N | 504-29-0 | Solid | mg/m3 | A | P3 |
| 2-(1-Methylpropyl)phenol | CH3CH2CH(CH3)C6H4OH | 89-72-5 | Liquid | ppm | A | |
| 2-(2,4-Dichlorophenoxy)ethyl sodium sulfate | C6H3CI2OCH2CH2OSO3Na | 136-78-7 | Solid | mg/m3 | P3 | |
| 2,2 - Bis (p - Chlorophenyl) 1,1,1- Trichloroethane | (C6H4OCH3)2CHCCl3 | 72-43-5 | Solid | mg/m3 | A | P3 |
| 2,2'- iminodiethanol | (HOCH2CH2)2NH | 111-42-2 | Solid | ppm | K | P3 |
| 2,2,2,6-Tetrachloro-2-picoline | ClC5H3NCCl3 | 1929-82-4 | Solid | mg/m3 | AB | P3 |
| 2,2-bis(iydroxymethyl)-1,3-propanediol | C(CH2OH)4 | 115-77-5 | Solid | mg/m3 | A | P3 |
| 2,2'-Diaminodiethylamine | NH2CH2CH2)2NH | 111-40-0 | Liquid | ppm | ABEK | P3 |
| 2,2'-diaminodiethylamine | NH2CH2CH2)2NH | 111-40-0 | Liquid | ppm | ABEK | P3 |
| 2,2'-DichIoro-4,4'-MéthyIène-DianiIine (MbOCA) | CH2(C6H4CINH2)2 | 101-14-4 | Solid | mg/m3 | A | P3 |
| 2,2-Dichlorovinyl dimethyl phosphate | (CH3O)2P(O)OCH=CCI2 | 62-73-7 | Liquid | ppm | A | P3 |
| 2,2-Difluoro-1,1,1,2-tetrachloroethane | CCI3CCIF2 | 76-11-9 | Solid | ppm | A | |
| 2,2'-dihydroxydiethyamine | (HOCH2CH2)2NH | 111-42-2 | Solid | ppm | K | P3 |
| 2,3- epoxypropyl isopropyl ether | C6H12O2 | 4016-14-2 | Liquid | ppm | A | |
| 2,3,4,5,6-pentachlorophenol | C6Cl5OH | 87-86-5 | Solid | mg/m3 | A | P3 |
| 2,3-Dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate | C12H15NO3 | 1563-66-2 | Solid | mg/m3 | A | P3 |
| 2,3-p-Dioxanethiol S,S-bis(O,O-diethyl phosphoro-dithioate) | C4H6O2[SPS(OC2H5)2]2 | 78-34-2 | Liquid | mg/m3 | A | P3 |
| 2,4- D (iso) | Cl2C6H3OCH2COOH | 94-75-7 | Solid | mg/m3 | P3 | |
| 2,4- dichlorophenoxyacetic acid | Cl2C6H3OCH2COOH | 94-75-7 | Solid | mg/m3 | P3 | |
| 2,4,5-T (iso) | Cl3C6H2OCH2COOH | 93-76-5 | Solid | mg/m3 | P3 | |
| 2,4,5-Trichlorophenoxyacetic acid | Cl3C6H2OCH2COOH | 93-76-5 | Solid | mg/m3 | P3 | |
| 2,4,6- trinitrophenol | (NO2)3C6H2OH | 88-89-1 | Solid | mg/m3 | P3 | |
| 2,4,6- Trinitrotoluene | CH3C6H2(NO2)3 | 118-96-7 | Solid | mg/m3 | A | P3 |
| 2,4,6-tetryl | (NO2)3C6H2N(NO2)CH3 | 479-45-8 | Solid | mg/m3 | A | P3 |
| 2,4,6-Trinitrophenyl-N-methylnitramine | (NO2)3C6H2N(NO2)CH3 | 479-45-8 | Solid | mg/m3 | A | P3 |
| 2,4-tdi | CH3C6H3(NCO)2 | 584-84-9 | Liquid | ppm | A2B2 | P3 |
| 2,5-Furanedione | C4 H2 O3 | 108-31-6 | Solid | ppm | A | P3 |
| 2,5-Furanedione | C4 H2 O3 | 108-31-6 | Solid | ppm | A | P3 |
| 2,6- ditertiary- butyl- para- cresol | [C(CH3)3]2CH3C6H2OH | 128370 | Solid | mg/m3 | P | |
| 2-Acetoxybenzoic acid | CH3COOC6H4COOH | 50-78-2 | Solid | mg/m3 | P2/P3 | |
| 2-aminoethanol | NH2CH2CH2OH | 141-43-5 | Liquid | ppm | A | |
| 2-Aminotoluene | CH3C6H4NH2 | 95-53-4 | Liquid | ppm | A | P3 |
| 2-Anisidine | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| 2-butanol | CH3CH(OH)CH2CH3 | 78-92-2 | Liquid | ppm | A | |
| 2-Butanone | CH3COCH2CH3 | 78-93-3 | Liquid | ppm | A | |
| 2-camphonone | C10H16O | 76-22-2 | Solid | mg/m3 | A | P3 |
| 2-Carbomethoxy-1-methylvinyl dimethyl phosphate | C7H13PO6 | 7786-34-7 | Liquid | ppm | A | P3 |
| 2-ChIoro-1,3-butadiene | CH2=CClCH=CH2 | 126-99-8 | Liquid | ppm | AX | P3 |
| 2-Chloro-1-(difluoromethoxy) 1,1,2-trifluoroethane | CHF2OCF2CHClF | 13838-16-9 | Liquid | ppm | ||
| 2-Chloro-1,1,2-Trifluoroethyl difluoromethyl ether | CHF2OCF2CHClF | 13838-16-9 | Liquid | ppm | ||
| 2-Chloro-1-methylbenzene | ClC6H4CH3 | 95-49-8 | Liquid | ppm | A | |
| 2-Chloro-4-Ethylamino 6-Isopropylamino-s-triazine | C8H14ClN5 | 1912-24-9 | Solid | mg/m3 | P3 | |
| 2-Chloro-6-(trichloro-methyl)pyridine | ClC5H3NCCl3 | 1929-82-4 | Solid | mg/m3 | AB | P3 |
| 2-chloroacetaldehyde | ClCH2CHO | 107-20-0 | Liquid | ppm | A | |
| 2-chloroacetophenone | C6H5COCH2Cl | 532-27-4 | Solid | ppm | ABEK | P3 |
| 2-Chloroethanal | ClCH2CHO | 107-20-0 | Liquid | ppm | A | |
| 2-Chloroethanol | CH2CICH2OH | 107-07-3 | Liquid | ppm | A | |
| 2-Chloroethyl alcohol | CH2ClCH2OH | 107-07-3 | Liquid | ppm | A | |
| 2-Chloropropylene oxide | C3H5OCl | 106-89-8 | Liquid | ppm | A | P3 |
| 2-Cyano-1-propene | CH2=C(CH3)CN | 126-98-7 | Liquid | ppm | AB 450 | P3 |
| 2-cyano-2-propenoic acid, ethyl ester | C6H7NO2 | 7085-85-0 | Liquid | mg/m3 | AXB | P3 |
| 2-cyano-2-propenoic acid, ethyl ester | C6H7NO2 | 7085-85-0 | Liquid | mg/m3 | AXB | P3 |
| 2-Cyanoacrylic acid, ethyl ester | C6H7NO2 | 7085-85-0 | Liquid | mg/m3 | AXB | P3 |
| 2-cyanopropene-1 | CH2=C(CH3)CN | 126-98-7 | Liquid | ppm | AB 450 | P3 |
| 2-Diethylaminoethyl alcohol | (C2H5)2NCH2CH2OH | 100-37-8 | Liquid | ppm | K | |
| 2-furancarboxaldehyde | C5H4O2 | 98-01-1 | Liquid | ppm | A | |
| 2-furylmethanol | C5H6O2 | 98-00-0 | Liquid | ppm | A | |
| 2-Furylmethanol | C5H6O2 | 98-00-0 | Liquid | ppm | A | |
| 2-heptanone | CH3CO[CH2]4CH3 | 110-43-0 | Liquid | ppm | A | |
| 2-Hydroxyethylamine | NH2CH2CH2OH | 141-43-5 | Liquid | ppm | A | |
| 2-hydroxymethylfuran | C5H6O2 | 98-00-0 | Liquid | ppm | A | |
| 2-Hydroxytriethylamine | (C2H5)2NCH2CH2OH | 100-37-8 | Liquid | ppm | K | |
| 2-Isopropoxy propane | (CH3)2CHOCH(CH3)2 | 108-20-3 | Liquid | ppm | A | |
| 2-Mercaptoacetic acid | HSCH2COOH | 68-11-1 | Liquid | ppm | A2B2 | P3 |
| 2-methoxyethanol | CH3OCH2CH2OH | 109-86-4 | Liquid | ppm | A | |
| 2-Methylacrylic acid | CH2=C(CH3)COOH | 79-41-4 | Liquid | ppm | A | P3 |
| 2-Methylaniline | CH3C6H4NH2 | 95-53-4 | Liquid | ppm | A | P3 |
| 2-Methylethyleneimine | C3H7N | 75-55-8 | Liquid | ppm | K | P3 |
| 2-methylnitrobenzene | NO2C6H4CH3 | 88-72-2 | Liquid | ppm | A | P3 |
| 2-methylpropenenitrile | CH2=C(CH3)CN | 126-98-7 | Liquid | ppm | AB 450 | P3 |
| 2-Methylpropyl acetate | CH3COOCH2CH(CH3)2 | 110-19-0 | Liquid | ppm | A | |
| 2-Methylpropyl ester of acetic acid | CH3COOCH2CH(CH3)2 | 110-19-0 | Liquid | ppm | A | |
| 2-Methylpropyl ester of acetic acid | CH3COOCH2CH(CH3)2 | 110-19-0 | Liquid | ppm | A | |
| 2-Methylpropyl ester of acetic acid | CH3COOCH2CH(CH3)2 | 110-19-0 | Liquid | ppm | A | |
| 2-Nitrotoluene | NO2C6H4CH3 | 88-72-2 | Liquid | ppm | A | P3 |
| 2-NP | (CH3)2CH(NO2) | 79-46-9 | Liquid | ppm | A | P3 |
| 2-Oxetanone | C3H4O2 | 57-57-8 | Liquid | |||
| 2-Pentanol acetate | CH3COOCH(CH3)C3H7 | 626-38-0 | Liquid | ppm | A | |
| 2-Phenyl propane | C6H5CH(CH3)2 | 98-82-8 | Liquid | ppm | A | |
| 2-Phenyl propylene | C6H5C(CH3)=CH2 | 98-83-9 | Liquid | ppm | A | |
| 2-propanol | (CH3)2CHOH | 67-63-0 | Liquid | ppm | A | |
| 2-propanone | (CH3)2CO | 67-64-1 | Liquid | ppm | AX | |
| 2-propenal | CH2=CHCHO | 107-02-8 | Liquid | ppm | AX 450 | |
| 2-propenamide | CH2=CHCONH2 | 79-06-1 | Solid | mg/m3 | A | P3 |
| 2-propenenitrile | CH2=CHCN | 107-13-1 | Liquid | ppm | A | P3 |
| 2-Propenoic acid | CH2=CHCOOH | 79-10-7 | Liquid | ppm | A | |
| 2-Propenoic acid, 2-cyano-, ethyl ester | C6H7NO2 | 7085-85-0 | Liquid | mg/m3 | AXB | P3 |
| 2-Propyl acetate | CH3COOCH(CH3)2 | 108-21-4 | Liquid | ppm | A | |
| 2-Propyl acetate | CH3COOCH(CH3)2 | 108-21-4 | Liquid | ppm | A | |
| 2-Propyn-1-ol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| 2-Propynyl alcohol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| 2-Propynyl alcohol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| 2-Propynyl alcohol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| 2-Sec- butylphenol | CH3CH2CH(CH3)C6H4OH | 89-72-5 | Liquid | ppm | A | |
| 3- methylbutan- 1- ol | (CH3)2CHCH2CH2OH | 123-51-3 | Liquid | ppm | A | |
| 3- Methylbutan- 1- ol | (CH3)2CHCH2CH2OH | 123-51-3 | Liquid | ppm | A | |
| 3- Propanolide (propiolactone) | C3H4O2 | 57-57-8 | Liquid | |||
| 3-(1-Methyl-2-pyrrolidyl)pyridine | C5H4NC4H7NCH3 | 54-11-5 | Liquid | mg/m3 | A | P3 |
| 3-(3,4-Dichlorophenyl)-1,1-dimethylurea | C6H3Cl2NHCON(CH3)2 | 330-54-1 | Solid | mg/m3 | P3 | |
| 3-(Alpha-Acetonyl)-benzyl-4-hydroxycoumarin | C19H16O4 | 81-81-2 | Solid | mg/m3 | P2/P3 | |
| 3,3'- dichlorobenzidine | NH2CIC6H3C6H3CINH2 | 91-94-1 | Solid | A | P3 | |
| 3,3'- dichlorobenzidine salts | NH2CIC6H3C6H3CINH2 | 91-94-1 | Solid | A | P3 | |
| 3,3'- dimethylbenzidine | C14H16N2 | 119-93-7 | Solid | mg/m3 | A | P3 |
| 3,3'-Dimethyl-4,4'-diphenyldiamine | C14H16N2 | 119-93-7 | Solid | mg/m3 | A | P3 |
| 3,3'-dimethylbenzidine | C14H16N2 | 119-93-7 | Solid | mg/m3 | A | P3 |
| 3,3'-Tolidine | C14H16N2 | 119-93-7 | Solid | mg/m3 | A | P3 |
| 3,5,5- trimethylcyclohex- 2- enone | C9H14O | 78-59-1 | Liquid | ppm | A | |
| 3,5,5-Trimethyl-2-cyclo-hexen-1-one | C9H14O | 78-59-1 | Liquid | ppm | A | |
| 3,5,5-Trimethyl-2-cyclohexenone | C9H14O | 78-59-1 | Liquid | ppm | A | |
| 3,5-Dinitro-2-hydroxytoluene | CH3C6H2OH(NO2)2 | 534-52-1 | Solid | mg/m3 | P3 | |
| 3a,4,7,7a-Ietrahydro-4,7-methanoindene | C10 H12 | 77-73-6 | Solid | ppm | A | P3 |
| 3-chloropropylene | CH2=CHCH2Cl | 107-05-1 | Liquid | ppm | AX | |
| 3-Heptanone | CH3CH2CO[CH2]3CH3 | 106-35-4 | Liquid | ppm | A | |
| 3-hydroxyphenol | C6H4(OH)2 | 108-46-3 | Solid | ppm | A | P3 |
| 3-Hydroxy-propionic acid | C3H4O2 | 57-57-8 | Liquid | |||
| 3-Isocyanatomethyl 3,5,5-trimethylcyclohexyl-isocyanate | C12H18N2O2 | 4098-71-9 | Liquid | ppm | A | |
| 3-Methyl-1-butanol acetate | CH3COOCH2CH2CH(CH3)2 | 123-92-2 | Liquid | ppm | A | |
| 3-Methyl-1-butanol acetate | CH3COOCH2CH2CH(CH3)2 | 123-92-2 | Liquid | ppm | A | |
| 3-MethyL-5-heptanone | C2H5COCH2CH(CH3)CH2CH3 | 541-85-5 | Liquid | ppm | A | |
| 3-Pentanone | CH3CH2COCH2CH3 | 96-22-0 | Liquid | ppm | A | |
| 3-Propiolacetone | C3H4O2 | 57-57-8 | Liquid | |||
| 4 Hydroxy 4 Methyl 2 Pentanone | CH3COCH2C(CH3)2OH | 123-42-2 | Liquid | ppm | A | |
| 4- hydroxy- 4- methyl- pentan- 2- one | CH3COCH2C(CH3)2OH | 123-42-2 | Liquid | ppm | A | |
| 4- methylpent- 3- en- 2- one | (CH3)2C=CHCOCH3 | 141-79-7 | Liquid | ppm | A | |
| 4- methylpentan- 2- ol | (CH3)2CHCH2CH(OH)CH3 | 108-11-2 | Liquid | ppm | A | |
| 4- Methylpentan- 2- One | CH3COCH2CH(CH3)2 | 108-10-1 | Liquid | ppm | A | |
| 4- nitroaniline | C6 H6 N2 02 | 100-01-6 | Solid | mg/m3 | A | P3 |
| 4- Nitroaniline | C6 H6 N2 02 | 100-01-6 | Solid | mg/m3 | A | P3 |
| 4,4'- Diaminodiphenylmethane | CH2(C6H4NH2)2 | 101-77-9 | Solid | ppm | A | P3 |
| 4,4'- methylene- diphenyl diisocyanate | CH2(C6H4NCO)2 | 101 68 8 | Liquid | ppm | A | P3 |
| 4,4'- Methylenebis-( 2- chloroaniline) | CH2(C6H4CINH2)2 | 101-14-4 | Solid | mg/m3 | A | P3 |
| 4,4'- Methylenedianiline (mda) | CH2(C6H4NH2)2 | 101-77-9 | Solid | ppm | A | P3 |
| 4,4 THIOBIS (6- tert- BUTYL- m- CRESOL) | [CH3(OH)C6H2C(CH3)3]2S | 96-69-5 | Solid | mg/m3 | P3 | |
| 4,4'-Diphenylmethane diisocyanate | CH2(C6H4NCO)3 | 101-68-8 | Solid | ppm | A | P3 |
| 4-Amino-3,5,6-trichloro-2-picolinic acid | C6H3Cl3O2N2 | 1918-02-1 | Solid | mg/m3 | AB | P3 |
| 4-Amino-3,5,6-trichloropicolinic acid | C6H3Cl3O2N2 | 1918-02-1 | Solid | mg/m3 | AB | P3 |
| 4-Ethylmorpholine | C6 H13 N O | 100-74-3 | Liquid | ppm | A | P3 |
| 4-Hydroxy-3-(3-oxo-1-phenyl butyl) 2H-1-benzopyran-2-one | C19H16O4 | 81-81-2 | Solid | mg/m3 | P2/P3 | |
| 4-Methyl-2,6-di-tert-butyl phenol | [C(CH3)3]2CH3C6H2OH | 128-37-0 | Solid | mg/m3 | P | |
| 4-Methyl-3-penten-2-one | (CH3)2C=CHCOCH3 | 141-79-7 | Liquid | ppm | A | |
| 4-Nitroaniline | C6 H6 N2 02 | 100-01-6 | Solid | mg/m3 | A | P3 |
| 4-nitrochlorobenzene | ClC6H4NO2 | 100-00-5 | Solid | mg/m3 | AB | P3 |
| 5-Bromo-3-sec-butyl-6-methyluracil | C9H13BrN2O2 | 314-40-9 | Solid | ppm | AB | P3 |
| 5-Bromo-6-methyl-3-(1-methylpropyl)uracil | C9H13BrN2O2 | 314-40-9 | Solid | ppm | AB | P3 |
| 5-Methyl-2-hexanone | CH3COCH2CH2CH(CH3)2 | 110-12-3 | Liquid | ppm | A | |
| 5-Methylheptan- 3- one | C2H5C0CH2CH(CH3)CH2CH3 | 541-85-5 | Liquid | ppm | A | |
| 6,6'- di- tert- butyl- 4,4'- thiodi- m- cresol | [CH3(OH)C6H2C(CH3)3]2S | 96-69-5 | Solid | mg/m3 | P3 | |
| 6,6- di- tert- butyl- 4,4- thiodo- m- cresol | [CH3(OH)C6H2C(CH3)3]2S | 96-69-5 | Solid | mg/m3 | P3 | |
| 6,7,8,9,10-Hexachloro-1,5,5a,6,9,9a-hexachloro 6,9-methano- 2,4,3-benzo-dioxathiepin-3-oxide | C9H6Cl6O3S | 115-29-7 | Solid | mg/m3 | A | P3 |
| Acetal | CH3C00C6H4C00H | 50-78-2 | Solid | mg/m3 | P2/P3 | |
| Acetaldehyde | CH3CH0 | 75-07-0 | Liquid | ppm | AX | |
| Acetic acid | CH3COOH | 64-19-7 | Liquid | ppm | A | P3 |
| Acetic aldehyde | CH3CHO | 75-07-0 | Liquid | ppm | AX | |
| Acetic ester | CH3COOC2H5 | 141-78-6 | Liquid | ppm | A | |
| Acetic ether | CH3COOC2H5 | 141-78-6 | Liquid | ppm | A | |
| Acetic oxide | (CH3CO)2O | 108-24-7 | Liquid | ppm | A | |
| Acetone | (CH3)2CO | 67-64-1 | Liquid | ppm | AX | |
| Acetylene | C2H2 | 74-86-2 | Gaz | ppm | ||
| Acetylene black | C | 1333-86-4 | Solid | mg/m3 | P3 | |
| Acetylene tetrabromide | CHBr2CHBr2 | 79-27-6 | Liquid | ppm | A | P3 |
| Acraldehyde | CH2=CHCHO | 107-02-8 | Liquid | ppm | AX 450 | |
| Acraldehyde | CH2=CHCHO | 107-02-8 | Liquid | ppm | AX 450 | |
| Acrylamide | CH2=CHCONH2 | 79-06-1 | Solid | mg/m3 | A | P3 |
| Acrylamide monomer | CH2=CHCONH2 | 79-06-1 | Solid | mg/m3 | A | P3 |
| Acrylonitrile | CH2=CHCN | 107-13-1 | Liquid | ppm | A | P3 |
| Acrylonitrile monomer | CH2=CHCN | 107-13-1 | Liquid | ppm | A | P3 |
| Actinolite, Actinolite asbestos | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | P3 | |
| Age | C6H10O2 | 106-92-3 | Liquid | ppm | A | |
| Alcohol | CH3CH2OH | 64-17-5 | Liquid | ppm | A | |
| Aldrin (iso) | C12H8Cl6 | 309-00-2 | Solid | mg/m3 | AB | P3 |
| Alpha- chlorotoluene | C6H5CH2Cl | 100-44-7 | Liquid | ppm | A | |
| Alpha- chlorotoluene | C6H5CH2Cl | 100-44-7 | Liquid | ppm | A | |
| Alpha-aminopyridine | NH2C5H4N | 504-29-0 | Solid | mg/m3 | A | P3 |
| Alpha-chloroacetophenone | C6H5COCH2CI | 532-27-4 | Solid | ppm | ABEK | P3 |
| Alpha-chlorotoluene | C6H5CH2Cl | 100-44-7 | Liquid | ppm | A | |
| Alpha-methylacrylonitrile | CH2=C(CH3)CN | 126-98-7 | Liquid | ppm | AB 450 | P3 |
| Alpha-Naphthyl N-methyl-carbamate | CH3NHCOOC10H7 | 63-25-2 | Solid | mg/m3 | A | |
| Alpha-starch | (C6H10O5)n | 9005-25-8 | Solid | mg/m3 | P3 | |
| Alumina | Al2O3 | 1344-28-1 | Solid | mg/m3 | P3 | |
| Aluminium metal (respirable dust) | Al | 7429-90-5 | Solid | mg/m3 | P2/P3 | |
| Aluminium oxide (respirable dust) | Al2O3 | 1344-28-1 | Solid | mg/m3 | P3 | |
| Aluminum trioxide | Al2O3 | 1344-28-1 | Solid | mg/m3 | P3 | |
| Amidocyanogen | NH2CN | 420-04-2 | Solid | mg/m3 | P3 | |
| Aminobenzene | C6H5NH2 | 62-53-3 | Liquid | ppm | A | P3 |
| Aminocyclohexane | C6H11NH2 | 108-91-8 | Liquid | ppm | A | |
| Aminodimethylbenzene | (CH3)2C6H3NH2 | 1300-73-8 | Liquid | ppm | AK | |
| Aminoethane | CH3CH2NH2 | 75-04-7 | Liquid | ppm | K | |
| Aminoethylene | C2H5N | 151-56-4 | Liquid | ppm | K 450 | |
| Aminomethane | CH3NH2 | 74-89-5 | Gaz | ppm | K | |
| Ammate herbicide | NH4OSO2NH2 | 7773-06-0 | Solid | mg/m3 | P3 | |
| Ammonia | NH3 | 7664-41-7 | Liquid | ppm | K | |
| Ammonium amidosulfonate | NH4OSO2NH2 | 7773-06-0 | Solid | mg/m3 | P3 | |
| Ammonium chloride | NH4Cl | 12125-02-9 | Solid | mg/m3 | K | P |
| Ammonium chloride, fume | NH4Cl | 12125-02-9 | Solid | mg/m3 | K | P |
| Ammonium muriate fume | NH4Cl | 12125-02-9 | Solid | mg/m3 | K | P |
| Ammonium sulfamate | NH4OSO2NH2 | 7773-06-0 | Solid | mg/m3 | P3 | |
| Amosite (cummingtonite-grunerite) | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | P3 | |
| Amyl acetic ester | CH3COO[CH2]4CH3 | 628-63-7 | Liquid | ppm | A | |
| Amyl acetic ether | CH3COO[CH2]4CH3 | 628-63-7 | Liquid | ppm | A | |
| Amyl methyl ketone | CH3CO[CH2]4CH3 | 110-43-0 | Liquid | ppm | A | |
| An | CH2=CHCN | 107-13-1 | Liquid | ppm | A | P3 |
| Anhydrous borax | Na2B4O7 | 1330-43-4 | Solid | mg/m3 | P3 | |
| Anhydrous hydrogen bromide; | H Br | 10035-10-6 | Gaz | ppm | B | P3 |
| Anisidines, o- and p- isomers | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| Anisidines, o- and p- isomers | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| Anisidines, o- and p- isomers | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| Anisidines, o- and p- isomers | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| Anol | C6H11OH | 108-93-0 | Liquid | ppm | A | |
| Anone | C6H10O | 108-94-1 | Liquid | ppm | A | |
| Anthophyllite, Anthophyllite asbestos | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | P3 | |
| Antimony and compounds (as sb) | Sb | 7440-36-0 | Solid | mg/m3 | P3 | |
| Antimony hydride | SbH3 | 7803-52-3 | Gaz | ppm | ||
| Antimony trihydride | SbH3 | 7803-52-3 | Gaz | ppm | ||
| Antimony trioxide | O3 Sb2 | 1309-64-4 | Solid | mg/m3 | P3 | |
| Aprocarb® | CH3NHCOOC6H4OCH(CH3)2 | 114-26-1 | Solid | mg/m3 | P3 | |
| Aqueous hydrogen bromide (i.e., Hydrobromic acid) | H Br | 10035-10-6 | Gaz | ppm | B | P3 |
| Argon | Ar | 7440-37-1 | Gaz | ppm | ||
| Aroclor® 1254 | C6H3Cl2C6H2Cl3 | 11097-69-1 | Liquid | mg/m3 | AB | P3 |
| Arsenic & compounds except arsine | As | 7440-38-2 | Solid | mg/m3 | P3 | |
| Arsenic hydride | AsH3 | 7784-42-1 | Liquid | ppm | ||
| Arsenic sesquioxide | As2O3 | 1327-53-3 | Solid | mg/m3 | ||
| Arsenic trihydride | AsH3 | 7784-42-1 | Liquid | ppm | ||
| Arsenic trioxide | As2O3 | 1327-53-3 | Solid | mg/m3 | A | P3 |
| Arsenic trioxide | As2O3 | 1327-53-3 | Solid | mg/m3 | ||
| Arsenic trioxide | As2O3 | 1327-53-3 | Solid | mg/m3 | ||
| Arsenic trioxide | As2O3 | 1327-53-3 | Solid | mg/m3 | ||
| Artificial barite | BaSO4 | 7727-43-7 | Solid | mg/m3 | P3 | |
| ASBESTOS, amiante | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | PAPR | P3 |
| Asphalt, petroleum fumes | n/ a | 8052-42-4 | Solid | mg/m3 | ||
| Aspirin | CH3COOC6H4COOH | 50-78-2 | Solid | mg/m3 | P2/P3 | |
| Asymmetrical dichloroethane | CHCI2CH3 | 75-34-3 | Liquid | ppm | AX | |
| Atcp | C6H3Cl3O2N2 | 1918-02-1 | Solid | mg/m3 | AB | P3 |
| Atrazine (iso) | C8H14ClN5 | 1912-24-9 | Solid | mg/m3 | P3 | |
| Aurum paradoxum | Te | 13494-80-9 | Solid | mg/m3 | P2/P3 | |
| Azabenzene | C5H5N | 110-86-1 | Liquid | ppm | A | P3 |
| Azide | NaN3 | 26628-22-8 | Solid | mg/m3 | P3 | |
| Azimethylene | CH2N2 | 334-88-3 | Gaz | ppm | ABEK | P3 |
| Azinphos- methyl (iso) | C10H12O3PS2N3 | 86-50-0 | Solid | mg/m3 | A | P3 |
| Azirane | C2H5N | 151-56-4 | Liquid | ppm | K 450 | |
| Aziridine | C2H5N | 151-56-4 | Liquid | ppm | K 450 | |
| Aziridine | C2H5N | 151-56-4 | Liquid | ppm | K 450 | |
| Azium | NaN3 | 26628-22-8 | Solid | mg/m3 | P3 | |
| Azodicarbonamide | C2H4N4O2/NH2CON=NCONH2 | 123-77-3 | Solid | mg/m3 | A | P3 |
| Azomethylene | CH2N2 | 334-88-3 | Gaz | ppm | ABEK | P3 |
| Azophos® | (CH3O)2P(S)OC6H4NO2 | 298-00-0 | Solid | mg/m3 | A2 | P3 |
| B- chloroprene | CH2=CClCH=CH2 | 126-99-8 | Liquid | ppm | AX | P3 |
| Barite, Barium salt of sulfuric acid | BaSO4 | 7727-43-7 | Solid | mg/m3 | P3 | |
| Barium compounds soluble (as ba) | Ba | 7440-39-3 | Solid | mg/m3 | P2/P3 | |
| Barium sulphate, respirable dust | BaSO4 | 7727-43-7 | Solid | mg/m3 | P3 | |
| Basudin® | C12H21N2O3PS | 333-41-5 | Liquid | mg/m3 | BE | P3 |
| BCME [Bis (chloromethyl) ETHER] | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Benomyl (iso) | C14H18N4O3 | 17804-35-2 | Solid | mg/m3 | A | P3 |
| Benzenamine | C6H5NH2 | 62-53-3 | Liquid | ppm | A | P3 |
| Benzenamine | C6H5NH2 | 62-53-3 | Liquid | ppm | A | P3 |
| Benzene | C6H6 | 71-43-2 | Liquid | ppm | A 450 | |
| Benzene chloride | C6H5Cl | 108-90-7 | Liquid | ppm | A | |
| Benzene chloride | C6H5Cl | 108-90-7 | Liquid | ppm | A | |
| Benzene hexahydride | C6 H12 | 110-82-7 | Liquid | ppm | A | |
| Benzene tetrahydride | C6 H10 | 110-83-8 | Liquid | ppm | A | |
| Benzenethiol | C6H5SH | 108-98-5 | Liquid | ppm | A | |
| Benzoepin | C9H6Cl6O3S | 115-29-7 | Solid | mg/m3 | A | P3 |
| Benzol | C6H6 | 71-43-2 | Liquid | ppm | A 450 | |
| Benzoyl peroxide | (C6H5CO)2O2 | 94-36-0 | Solid | mg/m3 | A | P3 |
| Benzyl butyl phthalate | C19 H20 O4 | 85-68-7 | Liquid | mg/m3 | A | P |
| Beryllium and compounds | Be | 7440-41-7 | Solid | mg/m3 | P3 | |
| Beta-Aminoethyl alcohol | NH2CH2CH2OH | 141-43-5 | Liquid | ppm | A | |
| Beta-Hydroxypropyl acrylate | CH2=CHCOOCH2CHOHCH3 | 999-61-1 | Liquid | ppm | A | |
| Beta-nitronaphthalene | C10H7NO2 | 581-89-5 | Solid | A | P | |
| BGE | C7 H14 O2 | 2426/8/6 | Liquid | ppm | A | |
| Biethylene | CH2=CHCH=CH2 | 106-99-0 | Liquid | ppm | AX | |
| Biotite | H2KAl3(SiO4)3 | 12001-26-2 | Solid | mg/m3 | P3 | |
| Biphenyl | C6H5C6H5 | 92-52-4 | Solid | ppm | A | P3 |
| Bipotassium chromate | K2 Cr O4 | 7789-00-6 | Solid | mg/m3 | ||
| Bis (chloromethyl) ether | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Bis( 2- ethylhexyl) phthalate | C24H38O4 | 117-81-7 | Liquid | mg/m3 | A | P3 |
| Bis( 2- ethylhexyl) phthalate | C24H38O4 | 117-81-7 | Liquid | mg/m3 | A | P3 |
| Bis( 2,3- epoxypropyl) ether | C6H10O3 | 2238/7/5 | Liquid | ppm | A | P3 |
| Bis(Dimethylthiocarbamoyl) disulfide | C6H12N2S4 | 137-26-8 | Solid | mg/m3 | A | P |
| Bis-CME | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Bismuth sesquitelluride | Bi2Te3 | 1304-82-1 | Solid | mg/m3 | P3 | |
| Bismuth telluride | Bi2Te3 | 1304-82-1 | Solid | mg/m3 | P3 | |
| Bivinyl | CH2=CHCH=CH2 | 106-99-0 | Liquid | ppm | AX | |
| Bladafum | [(CH3CH2O)2PS]2O | 3689-24-5 | Liquid | mg/m3 | ABE | P3 |
| Borates, (tetra) sodium salts | Na2B4O7 | 1330-43-4 | Solid | mg/m3 | P3 | |
| Borax | Na2B4O7• 10H2O | 1303-96-4 | Solid | mg/m3 | P3 | |
| Borax decahydrate | Na2B4O7 • 10H2O | 1303-96-4 | Solid | mg/m3 | P3 | |
| Borax dehydrated | Na2B4O7 | 1330-43-4 | Solid | mg/m3 | P3 | |
| Boric anhydride | B2O3 | 1303-86-2 | Solid | mg/m3 | P3 | |
| Bornan- 2- one | C10H16O | 76-22-2 | Solid | mg/m3 | A | P3 |
| Boroethane | B2H6 | 19287-45-7 | Gaz | ppm | B | P3 |
| Boron fluoride | BF3 | 7637 07 02 | Gaz | ppm | ||
| Boron hydride | B2H6 | 19287-45-7 | Gaz | ppm | B | P3 |
| Boron oxide | B2O3 | 1303-86-2 | Solid | mg/m3 | P3 | |
| Boron trifluoride | BF3 | 7637 07 02 | Gaz | ppm | ||
| Bromacil (iso) | C9H13BrN2O2 | 314-40-9 | Solid | ppm | AB | P3 |
| Bromine | Br2 | 7726-95-6 | Liquid | ppm | B | P3 |
| Bromine fluoride | BrF5 | 7789-30-2 | Liquid | ppm | AX | |
| Bromine pentafluoride | BrF5 | 7789-30-2 | Liquid | ppm | AX | |
| Bromochloromethane | CH2BrCl | 74-97-5 | Liquid | ppm | A | |
| Bromoethane | CH3CH2Br | 74-96-4 | Liquid | ppm | AX | |
| Bromoethane | CH3CH2Br | 74-96-4 | Liquid | ppm | AX | |
| Bromoethene | CH2=CHBr | 593-60-2 | Gaz | ppm | AX | |
| Bromoethylene | CH2=CHBr | 593-60-2 | Gaz | ppm | AX | |
| Bromoform | CHBr3 | 75-25-2 | Liquid | ppm | A | |
| Bromomethane | CH3Br | 74-83-9 | Gaz | ppm | AX | |
| Burned lime | CaO | 1305-78-8 | Solid | mg/m3 | P2/P3 | |
| Burnt lime | CaO | 1305-78-8 | Solid | mg/m3 | P2/P3 | |
| Butan- 2-one | CH3COCH2CH3 | 78-93-3 | Liquid | ppm | A | |
| Butane | CH3CH2CH2CH3 | 106-97-8 | Gaz | ppm | AX | |
| Butyl- 2,3- epoxypropyl ether | C7 H14 O2 | 2426/8/6 | Liquid | ppm | A | |
| Butyl 2-propenoate | CH2=CHCOOC4H9 | 141-32-2 | Liquid | ppm | A | |
| Butyl acetate | CH3COO[CH2]3CH3 | 123-86-4 | Liquid | ppm | A | |
| Butyl acetate | CH3COO[CH2]3CH3 | 123-86-4 | Liquid | ppm | A | |
| Butyl acrylate | CH2=CHCOOC4H9 | 141-32-2 | Liquid | ppm | A | |
| Butyl cellosolve® , dowanol® eb | C4H9OCH2CH2OH | 111-76-2 | Liquid | ppm | A | P3 |
| Butyl ester of 2-hydroxypropanoic acid | CH3CH(OH)COOC4H9 | 138-22-7 | Liquid | ppm | A | P3 |
| Butyl ethanoate | CH3COO[CH2]3CH3 | 123-86-4 | Liquid | ppm | A | |
| Butyl ethyl ketone | CH3CH2CO[CH2]3CH3 | 106-35-4 | Liquid | ppm | A | |
| Butyl hydride | CH3CH2CH2CH3 | 106-97-8 | Gaz | ppm | AX | |
| Butyl methyl ketone | CH3CO[CH2]3CH3 | 591-78-6 | Liquid | ppm | A | |
| Butyl Phosphate | (CH3[CH2]3O)3PO | 126-73-8 | Liquid | mg/m3 | A | P3 |
| Butylamine | CH3CH2CH2CH2NH2 | 109-73-9 | Liquid | ppm | BK | |
| C9H6CI6O3S | 115-29-7 | Solide | Gaz | 0,10 | P3 | |
| Cadmium & cadmium compounds except cadmium oxide fume & cadmium sulphide pigments | Cd | 7440-43-9 | Solid | mg/m3 | P3 | |
| Cadmium sulphide pigments respirable dust (as cd) metal | Cd S | 7440-43-9 | Solid | mg/m3 | P3 | |
| Caesium hydroxide | CsOH | 21351-79-1 | Solid | mg/m3 | B | |
| Calcium carbimide | CaCN2 | 156-62-7 | Solid | mg/m3 | ||
| Calcium carbonate | CaCO3 | 1317-65-3 | Solid | mg/m3 | P3 | |
| Calcium cyanamide | CaCN2 | 156-62-7 | Solid | mg/m3 | ||
| Calcium hydrate | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Calcium hydrosilicate | CaSiO3 | 1344-95-2 | Solid | mg/m3 | P2/P3 | |
| Calcium hydroxide | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Calcium hydroxide | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Calcium monosilicate | CaSiO3 | 1344-95-2 | Solid | mg/m3 | P2/P3 | |
| Calcium sulfate hemihydrate | CaSO4 • 0.5H2O | 26499-65-0 | Solid | mg/m3 | P3 | |
| Cane sugar | C12H22O11 | 57-50-1 | Solid | mg/m3 | P2/P3 | |
| Captafol (iso) | C10H9Cl14NO2S | 2425-06-1 | Solid | mg/m3 | A | |
| Captan (iso) | C9H8Cl3NO2S | 133-06-2 | Solid | mg/m3 | A | P3 |
| Captane | C9H8Cl3NO2S | 133-06-2 | Solid | mg/m3 | A | P3 |
| Carbamaldehyde | HCONH2 | 75-12-7 | Liquid | ppm | A | P3 |
| Carbaryl (iso) | CH3NHCOOC10H7 | 63-25-2 | Solid | mg/m3 | A | |
| Carbinol | CH3OH | 67-56-1 | Liquid | ppm | AX | |
| Carbofuran (iso) | C12H15NO3 | 1563-66-2 | Solid | mg/m3 | A | P3 |
| Carbolic acid | C6H5OH | 108-95-2 | Solid | ppm | A | P3 |
| Carbolic acid | C6H5OH | 108-95-2 | Solid | ppm | A | P3 |
| Carbon black | C | 1333-86-4 | Solid | mg/m3 | P3 | |
| Carbon bromide | CBr4 | 558-13-4 | Solid | mg/m3 | A | |
| Carbon chloride | CCl4 | 56-23-5 | Liquid | ppm | A | |
| Carbon dioxide | CO2 | 124-38-9 | Gaz | ppm | ||
| Carbon disulphide | C S2 | 75-15-0 | Liquid | ppm | AX | |
| Carbon disulphide | C S2 | 75-15-0 | Liquid | ppm | AX | |
| Carbon disulphide | C S2 | 75-15-0 | Liquid | ppm | AX | |
| Carbon hexachloride | Cl3CCCl3 | 67-72-1 | Solid | ppm | A | P3 |
| Carbon monoxide | CO | 630-08-0 | Gaz | ppm | ||
| Carbon monoxide | CO | 630-08-0 | Gaz | ppm | ||
| Carbon oxychloride | COCl2 | 75-44-5 | Gaz | ppm | B | P3 |
| Carbon silicide | SiC | 409-21-2 | Solid | mg/m3 | P3 | |
| Carbon tetrachloride | CCl4 | 56-23-5 | Liquid | ppm | A | |
| Carbonate magnesium | MgCO3 | 546-93-0 | Solid | mg/m3 | P3 | |
| Carbonyl chloride | COCl2 | 75-44-5 | Gaz | ppm | B | P3 |
| Carbonyl chloride | COCI2 | 75-44-5 | Gaz | ppm | B | P3 |
| Carbonyl chloride | COCl2 | 75-44-5 | Gaz | ppm | B | P3 |
| Carborundum® | SiC | 409-21-2 | Solid | mg/m3 | P3 | |
| Carboxyethane | CH3CH2COOH | 79-09-4 | Liquid | ppm | A | P3 |
| Caustic baryla | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Caustic potash | KOH | 1310-58-3 | Solid | mg/m3 | P3 | |
| CB | CH2BrCl | 74-97-5 | Liquid | ppm | A | |
| Cd: Cadmium | CdO/Cd | 1306-19-0 | Solid | mg/m3 | P3 | |
| Cdo: Cadmium monoxide, Cadmium oxide fume | CdO/Cd | 1306-19-0 | Solid | mg/m3 | P3 | |
| Cellosolve® | C2H5OCH2CH2OH | 110-80-5 | Liquid | ppm | A | |
| Cellosolve® | C2H5OCH2CH2OH | 110-80-5 | Liquid | ppm | A | |
| Cellosolve® | C2H5OCH2CH2OH | 110-80-5 | Liquid | ppm | A | |
| Cellulose | (C6H10O5)n | 9004-34-6 | Solid | mg/m3 | P3 | |
| Cement | as Portland Cement | 65997-15-1 | Solid | mg/m3 | P2/P3 | |
| Cesium hydrate | CsOH | 21351-79-1 | Solid | mg/m3 | B | |
| CFC-113 | CCl2FCClF2 | 76-13-1 | Liquid | ppm | ||
| CFC-113 | CCl2FCClF2 | 76-13-1 | Liquid | ppm | ||
| Chlorcyan | CICN | 506-77-4 | Liquid | ppm | B 450 | |
| Chlordan | C10H6Cl8 | 57-74-9 | Solid | mg/m3 | A | P3 |
| Chlordane (iso) | C10H6Cl8 | 57-74-9 | Solid | mg/m3 | A | P3 |
| Chlordano; 1,2,4,5,6,7,8,8-Octachloro 3a,4,7,7a-tetrahydro-4,7-methanoindane | C10H6Cl8 | 57-74-9 | Solid | mg/m3 | A | P3 |
| Chlorine | Cl2 | 7782-50-5 | Gaz | ppm | B | |
| Chlorine cyanide | ClCN | 506-77-4 | Liquid | ppm | B 450 | |
| Chlorine dioxide | Cl O2 | 10049-04-4 | Gaz | ppm | B | |
| Chlorine fluoride | ClF3 | 7790-91-2 | Gaz | ppm | B | |
| Chlorine fluoride oxide | ClO3F | 7616-94-6 | Gaz | ppm | B 450 | |
| Chlorine oxide | Cl O2 | 10049-04-4 | Gaz | ppm | B | |
| Chlorine oxyfluoride | ClO3F | 7616-94-6 | Gaz | ppm | B 450 | |
| Chloroacetic acid chloride | ClCH2COCl | 79-04-9 | Liquid | ppm | A | P3 |
| Chloroacetic chloride | ClCH2COCl | 79-04-9 | Liquid | ppm | A | P3 |
| Chlorocarbonate d'isopropyle | C4H7ClO2/(CH3)2CHOCOC | 108 23 6 | Liquid | ppm | A | P3 |
| Chlorocyanide | CICN | 506-77-4 | Liquid | ppm | B 450 | |
| Chlorodifluoromethane | CHClF2 | 75-45-6 | Gaz | ppm | ||
| Chlorodimethyl ether | CH3OCH2CI | 107-30-2 | Liquid | |||
| Chloroethane | CH3CH2Cl | 75-00-3 | Liquid | ppm | AX | |
| Chloroéthanoic acid | ClCH2COOH | 79-11-8 | Liquid | ppm | A | P3 |
| Chloroethene | CH2=CHCl | 75-01-4 | Gaz | ppm | AX | |
| Chloroethene | CH2=CHCI | 75-01-4 | Gaz | ppm | AX | |
| Chloroethene | CH2=CHCl | 75-01-4 | Gaz | ppm | AX | |
| Chloroform | CHCl3 | 67-66-3 | Liquid | ppm | AX | |
| Chloroformyl chloride | COCl2 | 75-44-5 | Gaz | ppm | B | P3 |
| Chloromethane | CH3Cl | 74-87-3 | Gaz | ppm | ||
| Chloromethane | CH3Cl | 74-87-3 | Gaz | ppm | ||
| Chloromethoxymethane | CH3OCH2CI | 107-30-2 | Liquid | |||
| Chloromethyl ether, | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Chloropentafluoroethane | CClF2CF3 | 76-15-3 | Gaz | ppm | ||
| Chloropicrin | CCl3NO2 | 76-06-2 | Liquid | ppm | A | P3 |
| Chlorosulfuric acid | HCLO3S | 7790-94-5 | Solid | mg/m3 | E | P3 |
| Chlorothene | CH3CCl3 | 71-55-6 | Liquid | ppm | A | |
| Chromic acid (cro3) | CrO3 | 1333-82-0 | Solid | mg/m3 | BE | P3 |
| Chromic acid (cro3) | CrO3 | 1333-82-0 | Solid | mg/m3 | BE | P3 |
| Chromic acid (cro3) | CrO3 | 1333-82-0 | Solid | mg/m3 | BE | P3 |
| Chromic anhydride | CrO3 | 1333-82-0 | Solid | mg/m3 | BE | P3 |
| Chromic oxide | CrO3 | 1333-82-0 | Solid | mg/m3 | BE | P3 |
| Chromium | Cr | 7440-47-3 | Solid | mg/m3 | P3 | |
| Chrysotile, crocidolite (riebeckite) | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | P3 | |
| Ci-2 | CH3C5H4Mn(CO)3 | 12108-13-3 | Liquid | mg/m3 | A | P3 |
| Cinerin I or II | C20H28O3 / C21H28O5 C21H30O3 / C22H30O5 C21H28O3 / 22H28O5 | 8003-34-7 | Solid | mg/m3 | A | P3 |
| Cobalt and compounds (as co) | Co | 7440-48-4 | Solid | mg/m3 | P2/P3 | |
| Combustion improver-2 | CH3C5H4Mn(CO)3 | 12108-13-3 | Liquid | mg/m3 | A | P3 |
| Copper, dusts and mists | Cu | 7440-50-8 | Solid | mg/m3 | P3 | |
| Crag® herbicide No. 1 | C6H3Cl2OCH2CH2OSO3Na | 136-78-7 | Solid | mg/m3 | P3 | |
| Cresols (all isomers) | C7 H8 O | 1319-77-2 | Liquid | ppm | A | P3 |
| Cristobalite | SiO2 | 14808-60-7 | Solid | mg/m3 | P3 | |
| Cumene | C6H5CH(CH3)2 | 98-82-8 | Liquid | ppm | A | |
| Cyanamide | CaCN2 | 156-62-7 | Solid | mg/m3 | ||
| Cyanides, except hydrogen cyanide, cyanogen& cyanogen chloride, (as -cn) | C- N | 57-12-5 | Solid | mg/m3 | B | P3 |
| Cyclohexane | C6 H12 | 110-82-7 | Liquid | ppm | A | |
| Cyclohexene | C6 H10 | 110-83-8 | Liquid | ppm | A | |
| Cyclohexylmethane | CH3C6H11 | 108-87-2 | Liquid | ppm | A | |
| Cyhexatin (iso) | (C6H11)3SnOH | 13121-70-5 | Solid | mg/m3 | A | P3 |
| Dactin | C5H6CI2N2O2 | 118-52-5 | Solid | mg/m3 | ABEK | P3 |
| Dbcp | CH2BrCHBrCH2Cl | 96-12-8 | Liquid | ppm | ||
| DBP | C6H4(COOC4H9)2 | 84-74-2 | Liquid | mg/m3 | A | P3 |
| Dca | C2CI2 | 7572-29-4 | Liquid | ppm | ||
| DDH | C5H6Cl2N2O2 | 118-52-5 | Solid | mg/m3 | ABEK | P3 |
| DDT | (C6H4Cl)2CHCCl3 | 50-29-3 | Solid | mg/m3 | P3 | |
| DDVP | (CH3O)2P(O)OCH=CCl2 | 62-73-7 | Liquid | ppm | A | P3 |
| Dehp/dop | C24H38O4 | 117-81-7 | Liquid | mg/m3 | A | P3 |
| Dek | CH3CH2COCH2CH3 | 96-22-0 | Liquid | ppm | A | |
| Di- N- Butyl Phoshate | (C4H9O)2(OH)PO | 107-66-4 | Liquid | ppm | A | P3 |
| Di(2,3-epoxypropyi) ether | C6H10O3 | 2238/7/5 | Liquid | ppm | A | P3 |
| Diacetone | CH3COCH2C(CH3)2OH | 123-42-2 | Liquid | ppm | A | |
| Diallyl phthalate | C14 H14 O4 | 131-17-9 | Liquid | ppm | A | P3 |
| Diamine | H2NNH2 | 302-01-2 | Liquid | ppm | K | P3 |
| Diammonium peroxodisulphate | N2 H8 S2 O8 | 7727-54-0 | Solid | mg/m3 | A | P3 |
| Diatomaceous earth, natural, respirable dust | SiO2 | 68855-54-9 | Solid | mg/m3 | P3 | |
| Diazide® | C12H21N2O3PS | 333-41-5 | Liquid | mg/m3 | BE | P3 |
| Diazinon (iso) | C12H21N2O3PS | 333-41-5 | Liquid | mg/m3 | BE | P3 |
| Dibasic zinc stearate | Zn(C18H35O2)2 | 557-05-1 | Solid | mg/m3 | P3 | |
| DIBENZ(a, h) ANTHRACENE | C22 H14 | 65996-93-2 | Solid | mg/m3 | A | P3 |
| Dibenzoyl peroxide | (C6H5CO)2O2 | 94-36-0 | Solid | mg/m3 | A | P3 |
| Diboron trioxide | B2O3 | 1303-86-2 | Solid | mg/m3 | P3 | |
| Dibrom® | (CH3O)2P(O)OCHBrCBrCl2 | 300-76-5 | Solid | mg/m3 | A | P3 |
| Dibromochloropropane | CH2BrCHBrCH2Cl | 96-12-8 | Liquid | ppm | ||
| Dibromodifluoromethane | CBr2F2 | 75-61-6 | Liquid | ppm | ||
| Dibutyl 1,2-benzene-dicarboxylate | C6H4(COOC4H9)2 | 84-74-2 | Liquid | mg/m3 | A | P3 |
| Dibutyl acid o-phosphate | (C4H9O)2(OH)PO | 107-66-4 | Liquid | ppm | A | P3 |
| Dibutyl hydrogen phosphate | (C4H9O)2(OH)PO | 107-66-4 | Liquid | ppm | A | P3 |
| Dibutyl phosphate | (C4H9O)2(OH)PO | 107-66-4 | Liquid | ppm | A | P3 |
| Dibutylated hydroxytoluene | [C(CH3)3]2CH3C6H2OH | 128-37-0 | Solid | mg/m3 | P | |
| Dichlorocide | C6 H4 CI2 | 106-46-7 | Solid | ppm | A | |
| Dichlorodimethyl ether | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Dichloromethane | CH2Cl2 | 75-09-2 | Liquid | ppm | AX | |
| Dichloromethyl ether | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Dicyanogen | NCCN | 460-19-5 | Gaz | ppm | BK | |
| Dicyclohexyl phthalate | C20 H26 O4 | 84-61-7 | Liquid | ppm | A | P3 |
| Dicyclopentadienyliron | as Ferrocene | 102-54-5 | Solid | mg/m3 | A | P3 |
| Dieldrin (iso) | C12H8CI6O | 60-57-1 | Solid | mg/m3 | A | P3 |
| Diethamine | (C2H5)2NH | 109-89-7 | Liquid | ppm | K + 450 | |
| Diethyl (dimethoxyphosphinothioylthio) succinate | C10H19O6PS2 | 121-75-5 | Liquid | mg/m3 | A | P3 |
| Diethyl ester of phthalic acid | C6H4(COOC2H5)2 | 84-66-2 | Liquid | mg/m3 | A | P3 |
| Diethyl ether | C2H5OC2H5 | 60-29-7 | Liquid | ppm | AX | |
| Diethyl ether | C2H5OC2H5 | 60-29-7 | Liquid | ppm | AX | |
| Diethyl ketone | CH3CH2COCH2CH3 | 96-22-0 | Liquid | ppm | A | |
| Diethyl parathion | (C2H5O)2P(S)OC6H4NO2 | 56-38-2 | Liquid | mg/m3 | A2 | P3 |
| Diethyl phthalate | C6H4(COOC2H5)2 | 84-66-2 | Liquid | mg/m3 | A | P3 |
| Diethyl sulphate | C4 H10 O4 S | 64 67 5 | Liquid | ppm | A | P3 |
| Diethyl sulphate | C4 H10 O4 S | 64-67-5 | Liquid | ppm | A | P3 |
| Diethyl-(2-hydroxyethyl)amine | (C2H5)2NCH2CH2OH | 100-37-8 | Liquid | ppm | K | |
| Diethylene ether | C4H8O2 | 123-91-1 | Liquid | ppm | A | P3 |
| Diethylene imidoxide | C4H9ON | 110-91-8 | Liquid | ppm | A | |
| Diethylene oxide | C4H8O | 109-99-9 | Liquid | ppm | A | |
| Diethylene oximide | C4H9ON | 110-91-8 | Liquid | ppm | A | |
| Difluorochloromethane | CHCIF2 | 75-45-6 | Gaz | ppm | ||
| Difluorodibromomethane | CBr2F2 | 75-61-6 | Liquid | ppm | ||
| Difolatan | C10H9CI14NO2S | 2425/6/1 | Solid | mg/m3 | A | |
| Diisodecyl phthalate | C28 H46 O4 | 26761-40-0 | Liquid | mg/m3 | A | P3 |
| Diisononyl phthalate | C26 H42 O4 | 28553-12-0 | Liquid | mg/m3 | A | P3 |
| Diisooctyl phthalate | C24 H38 O2 | 27554-26-3 | Liquid | mg/m3 | A | P3 |
| Diisopropyl oxide | (CH3)2CHOCH(CH3)2 | 108-20-3 | Liquid | ppm | A | |
| Diisopropyl oxide | (CH3)2CHOCH(CH3)2 | 108-20-3 | Liquid | ppm | A | |
| Diisopropylamine | [(CH3)2CH]2NH | 108-18-9 | Liquid | ppm | K | |
| Dimazine | (CH3)2NNH2 | 57-14-7 | Liquid | ppm | K 450 | |
| Dimethoxymethane | CH3OCH2OCH3 | 109-87-5 | Liquid | ppm | AX | |
| Dimethoxymethane | CH3OCH2OCH3 | 109-87-5 | Liquid | ppm | AX | |
| Dimethyl carbinol | (CH3)2CHOH | 67-63-0 | Liquid | ppm | A | |
| Dimethyl ester of 1,2-benzenedicarboxylic acid | C6H4(COOCH3)2 | 131-11-3 | Liquid | mg/m3 | A | P3 |
| Dimethyl ester of 1,2-benzenedicarboxylic acid | C6H4(COOCH3)2 | 131-11-3 | Liquid | mg/m3 | A | P3 |
| Dimethyl ester of sulfuric acid | (CH3)2SO4 | 77-78-1 | Liquid | ppm | A | P3 |
| Dimethyl ether | H6 C2 O | 115-10-6 | Gaz | ppm | ||
| Dimethyl methane | CH3CH2CH3 | 74-98-6 | Gaz | ppm | ||
| Dimethyl phthalate | C6H4(COOCH3)2 | 131-11-3 | Liquid | mg/m3 | A | P3 |
| Dimethyl sulphate | (CH3)2SO4 | 77-78-1 | Liquid | ppm | A | P3 |
| Dimethylacetone | CH3CH2COCH2CH3 | 96-22-0 | Liquid | ppm | A | |
| Dimethylamine | (CH3)2NH | 124-40-3 | Gaz | ppm | K | |
| Dimethylamine (anhydrous) | (CH3)2NH | 124-40-3 | Gaz | ppm | K | |
| Dimethylaminobenzene | CH3)2C6H3NH2 | 1300-73-8 | Liquid | ppm | A | |
| Dimethylaminoethanol | c4h11no/(ch3)2nch2ch2oh | 108-01-0 | Liquid | ppm | A | |
| Dimethylene oxide | C2H4O | 75-21-8 | Liquid | ppm | AX | |
| Dimethylformamide | HCON(CH3)2 | 68-12-2 | Liquid | ppm | A | |
| Dimethylnitromethane | (CH3)2CH(NO2) | 79-46-9 | Liquid | ppm | A | P3 |
| Dimethylnitrosamine | (CH3)2N2O | 62-75-9 | Liquid | A | P3 | |
| Dimethylsulfate | (CH3)2SO4 | 77-78-1 | Liquid | ppm | A | P3 |
| Dinitrobenzene, all isomers | C6H4(NO2)2 | 100-25-4 | Solid | mg/m3 | A | P3 |
| Dinitrogen monoxide/laughing gas | N2 O | 10024-97-2 | Gaz | ppm | NO | |
| Dinitrogen tetroxide (N2O4), | N O2 | 10102-44-0 | gaz | ppm | NO | |
| Dinitrogen tetroxide (N2O4), | N O2 | 10102-44-0 | gaz | ppm | NO | |
| Dipa | [(CH3)2CH]2NH | 108-18-9 | Liquid | ppm | K | |
| Diphenyl | C6H5C6H5 | 92-52-4 | Solid | ppm | A | P3 |
| Diphenyl ether (vapor) | C6H5OC6H5 | 101-84-8 | Liquid | ppm | A | P3 |
| Diphosphorus pentasulphide | P2S5/P4S10 | 1314-80-3 | Solid | mg/m3 | B 450 | P3 |
| Dipotassium peroxodispulphate (measured as s2o8)* | H2 K2 O8 S2 | 7727-21-1 | Solid | mg/m3 | AB | P |
| Diquat dibromide (iso) | C12H12N2Br2 | 85-00-7 | Solid | mg/m3 | P3 | |
| Direx® | C6H3Cl2NHCON(CH3)2 | 330-54-1 | Solid | mg/m3 | P3 | |
| Disodium disulphite | Na2S2O5 | 7681-57-4 | Solid | mg/m3 | B | P3 |
| Disodium peroxodisulphate (measured as s2o8 | Na2 O8 S2 | 7775-27-1 | Solid | mg/m3 | A | P3 |
| Disodium tetraborate, decahydrate | Na2B4O7 • 10H2O | 1303-96-4 | Solid | mg/m3 | P3 | |
| Disodium tetraborate, pentahydrate | B4 O7 2Na 10H 2O | 11130-12-4 | Solid | mg/m3 | A | P3 |
| Disulfoton (iso) | C8H19O2PS3 | 298-04-4 | Liquid | mg/m3 | ABE | P3 |
| Disulphur decafluoride | S2F10 | 5714-22-7 | Liquid | ppm | B | P3 |
| Disulphur dichloride | S2 Cl2 | 10025-67-9 | Liquid | ppm | B | P3 |
| Di-syston® | C8H19O2PS3 | 298-04-4 | Liquid | mg/m3 | ABE | P3 |
| Dithion* | [(CH3CH2O)2PS]2O | 3689-24-5 | Liquid | mg/m3 | ABE | P3 |
| Diuron (iso) | C6H3Cl2NHCON(CH3)2 | 330-54-1 | Solid | mg/m3 | P3 | |
| Divanadium pentaoxide (as v) | V2O5 | 1314-62-1 | Solid | mg/m3 | P3 | |
| Divanadium pentoxide fume | V2O5 | 1314-62-1 | Solid | mg/m3 | P3 | |
| DMAC | CH3CON(CH3)2 | 127-19-5 | Liquid | ppm | A | |
| DMCC | (CH3)2NCOCl | 79-44-7 | Liquid | |||
| DMF | HCON(CH3)2 | 68-12-2 | Liquid | ppm | A | |
| DMH | (CH3)2NNH2 | 57-14-7 | Liquid | ppm | K 450 | |
| Eca | C6H7NO2 | 7085-85-0 | Liquid | mg/m3 | AXB | P3 |
| Egdn | O2NOCH2CH2ONO2 | 628-96-6 | Liquid | ppm | A | P |
| Egmea | CH3COOCH2CH2OCH3 | 110-49-6 | Liquid | ppm | A | |
| Elemental selenium | Se | 7782-49-2 | Solid | mg/m3 | P3 | |
| Endosulfan (iso) | C9H6Cl6O3S | 115-29-7 | Solid | mg/m3 | A | P3 |
| Endrin (iso) | C12H8Cl6O | 72-20-8 | Solid | mg/m3 | P3 | |
| Enflurane | CHF2OCF2CHClF | 13838-16-9 | Liquid | ppm | ||
| Essence of mirbane | C6H5NO2 | 98-95-3 | Liquid | ppm | A | P3 |
| Ethanal | CH3CHO | 75-07-0 | Liquid | ppm | AX | |
| Ethane | C2 H6 | 74-84-0 | Gaz | ppm | ||
| Ethane- 1,2- diol | HOCH2CH2OH | 107-21-1 | Liquid | ppm | A | P3 |
| Ethanecarboxylic acid | CH3CH2COOH | 79-09-4 | Liquid | ppm | A | P3 |
| Ethanedioic acid | HOOCCOOH • 2H2O | 144-62-7 | Solid | mg/m3 | P3 | |
| Ethanethiol | CH3CH2SH | 75-08-1 | Liquid | ppm | AX | P3 |
| Ethanoic acid | CH3COOH | 64-19-7 | Liquid | ppm | A | P3 |
| Ethanol | CH3CH2OH | 64-17-5 | Liquid | ppm | A | |
| Ethenylbenzene | C6H5CH=CH2 | 100-42-5 | Liquid | ppm | A | |
| Ethenylmethylbenzene | CH2=CHC6H4CH3 | 25013-15-4 | Liquid | ppm | A | |
| Ethine | C2H2 | 74-86-2 | Gaz | ppm | ||
| Ethrane® | CHF2OCF2CHCIF | 13838-16-9 | Liquid | ppm | ||
| Ethyl acetate | CH3COOC2H5 | 141-78-6 | Liquid | ppm | A | |
| Ethyl acetone | CH3COCH2CH2CH3 | 107-87-9 | Liquid | ppm | A | |
| Ethyl acrylate | CH2=CHCOOC2H5 | 140-88-5 | Liquid | ppm | A | |
| Ethyl acrylate | CH2=CHCOOC2H5 | 140-88-5 | Liquid | ppm | A | |
| Ethyl acrylate (inhibited) | CH2=CHCOOC2H5 | 140-88-5 | Liquid | ppm | A | |
| Ethyl alcohol | CH3CH2OH | 64-17-5 | Liquid | ppm | A | |
| Ethyl bromide | CH3CH2Br | 74-96-4 | Liquid | ppm | AX | |
| Ethyl chloroformate | C3H5ClO2 / ClCOOC2H5 | 541-41-3 | Liquid | ppm | ||
| Ethyl ester of formic acid | CH3CH2OCHO | 109-94-4 | Liquid | ppm | AX | |
| Ethyl ketone | CH3CH2COCH2CH3 | 96-22-0 | Liquid | ppm | A | |
| Ethyl mercaptan | CH3CH2SH | 75-08-1 | Liquid | ppm | AX | P3 |
| Ethyl methyl ketone | CH3COCH2CH3 | 78-93-3 | Liquid | ppm | A | |
| Ethyl nitrile | CH3CN | 75-05-8 | Liquid | ppm | A | |
| Ethyl nitrile | CH3CN | 75-05-8 | Liquid | ppm | A | |
| Ethyl nitrile | CH3CN | 75-05-8 | Liquid | ppm | A | |
| Ethyl orthosilicate | (C2H5)4SiO4 | 78-10-4 | Liquid | ppm | A | |
| Ethyl parathion | (C2H5O)2P(S)OC6H4NO2 | 56-38-2 | Liquid | mg/m3 | A2 | P3 |
| Ethyl pyrophosphate | [(CH3CH2O)2PO]2O | 107-49-3 | Liquid | mg/m3 | A | P3 |
| Ethyl sulfhydrate | CH3CH2SH | 75-08-1 | Liquid | ppm | AX | P3 |
| Ethylamine | CH3CH2NH2 | 75-04-7 | Liquid | ppm | K | |
| Ethylamine | CH3CH2NH2 | 75-04-7 | Liquid | ppm | K | |
| Ethylbenzene | CH3CH2C6H5 | 100-41-4 | Liquid | ppm | A | |
| Ethylbenzol | CH3CH2C6H5 | 100-41-4 | Liquid | ppm | A | |
| Ethylene | C2 H4 | 74-85-1 | Gaz | ppm |
| Ethylene bromide | BrCH2CH2Br | 106-93-4 | Liquid | ppm | A | |
| Ethylene bromide | BrCH2CH2Br | 106-93-4 | Liquid | ppm | A | |
| Ethylene chloride | CICH2CH2CI | 107-06-2 | Liquid | ppm | A | |
| Ethylene chlorohydrin | CH2ClCH2OH | 107-07-3 | Liquid | ppm | A | |
| Ethylene dibromide | BrCH2CH2Br | 106-93-4 | Liquid | ppm | A | |
| Ethylene glycol monoethyl ether acetate | CH3COOCH2CH2OCH2CH3 | 111-15-9 | Liquid | ppm | A | |
| Ethylene glycol monoethyl ether acetate | CH3COOCH2CH2OCH2CH3 | 111-15-9 | Liquid | ppm | A | |
| Ethylene glycol monomethyl ether acetate | CH3COOCH2CH2OCH3 | 110-49-6 | Liquid | ppm | A | |
| Ethylene oxide | C2H4O | 75-21-8 | Liquid | ppm | AX | |
| Ethylenediamine | NH2CH2CH2NH2 | 107-15-3 | Liquid | ppm | A | |
| Ethylidene chloride | CHCl2CH3 | 75-34-3 | Liquid | ppm | AX | |
| Ethyne | C2H2 | 74-86-2 | Gaz | ppm | ||
| Fenchlorphos (iso) | (CH3O)2P(S)OC6H2Cl3 | 299-84-3 | Solid | mg/m3 | A | P3 |
| Ferbam (iso) | [(CH3)2NCS2]3Fe | 14484-64-1 | Solid | mg/m3 | P3 | |
| Ferric dimethyl dithiocarbamate | [(CH3)2NCS2]3Fe | 14484-64-1 | Solid | mg/m3 | P3 | |
| Ferric oxide | Fe2O3 | 1309-37-1 | Solid | mg/m3 | P3 | |
| Ferrocene | C10 H10 Fe | 102-54-5 | Solid | mg/m3 | A | P |
| Fluoride (as f) | F | 16984-48-8 | Solid | mg/m3 | AB | P3 |
| Fluorine | F2 | 7782-41-4 | Gaz | ppm | B | |
| Fluorine-19 | F2 | 7782-41-4 | Gaz | ppm | B | |
| Fluorocarbon-115 | CClF2CF3 | 76-15-3 | Gaz | ppm | ||
| Fluorocarbon-22 | CHClF2 | 75-45-6 | Gaz | ppm | ||
| Fluorocarbon-22 | CHClF2 | 75-45-6 | Gaz | ppm | ||
| Fluorotrichloromethane | CCl3F | 75-69-4 | Liquid | ppm | ||
| Formal | CH3OCH2OCH3 | 109-87-5 | Liquid | ppm | AX | |
| Formaldehyde | HCHO | 50-00-0 | Liquid | ppm | B | |
| Formamide | HCONH2 | 75-12-7 | Liquid | ppm | A | P3 |
| Formic acid | HCOOH | 64-18-6 | Liquid | ppm | B / BE | P3 |
| Formonitrile | HCN | 74-90-8 | Liquid | ppm | B | P3 |
| Freon 112 | CCI2FCCI2F | 76-12-0 | Solid | ppm | A | |
| Freon 112a | CCI3CCIF2 | 76-11-9 | Solid | ppm | A | |
| Freon® 10 | CCl4 | 56-23-5 | Liquid | ppm | A | |
| Freon® 11 | CCl3F | 75-69-4 | Liquid | ppm | ||
| Freon® 113 | CCl2FCClF2 | 76-13-1 | Liquid | ppm | ||
| Freon® 114 | CClF2CClF2 | 76-14-2 | Gaz | ppm | ||
| Freon® 12 | CCl2F2 | 75-71-8 | Gaz | ppm | ||
| Freon® 13b1 | CBrF3 | 75-63-8 | Gaz | ppm | ||
| Freon® 13b1 | CBrF3 | 75-63-8 | Gaz | ppm | ||
| Freon® 21 | CHCl2F | 75-43-4 | Gaz | ppm | ||
| Freon® 22 | CHClF2 | 75-45-6 | Gaz | ppm | ||
| Furacarb® | C12H15NO3 | 1563-66-2 | Solid | mg/m3 | A | P3 |
| Genetron 21 | CHCI2F | 75-43-4 | Gaz | ppm | ||
| Genetron® 114 | CClF2CClF2 | 76-14-2 | Gaz | ppm | ||
| Genetron® 12 | CCl2F2 | 75-71-8 | Gaz | ppm | ||
| Genetron® 22 | CHClF2 | 75-45-6 | Gaz | ppm | ||
| Germane | GeH4 | 7782-65-2 | Gaz | ppm | ||
| Germanium hydride | GeH4 | 7782-65-2 | Gaz | ppm | ||
| Germanium tetrahydride | GeH4 | 7782-65-2 | Gaz | ppm | ||
| Glutaraldehyde | OCH(CH2)3CHO | 111-30-8 | Liquid | ppm | A2 | P3 |
| Glutaric dialdehyde | OCH(CH2)3CHO | 111-30-8 | Liquid | ppm | A2 | P3 |
| Glycerin (anhydrous) | HOCH2CH(OH)CH2OH | 56-81-5 | Liquid | mg/m3 | A | P3 |
| Glycerin (anhydrous) | HOCH2CH(OH)CH2OH | 56-81-5 | Liquid | mg/m3 | A | P3 |
| Glycerol | HOCH2CH(OH)CH2OH | 56-81-5 | Liquid | mg/m3 | A | P3 |
| Glycerol trinitrate | CH2NO3CHNO3CH2NO3 | 55-63-0 | Liquid | mg/m3 | A | P3 |
| Glycidyl phenyl ether | C9H10O2 | 122-60-1 | Liquid | ppm | A | |
| Glycol dibromide | BrCH2CH2Br | 106-93-4 | Liquid | ppm | A | |
| Glycol dinitrate | O2NOCH2CH2ONO2 | 628-96-6 | Liquid | ppm | A | P |
| Graphite | C | 7440-44-0 | Solid | mg/m3 | P2/P3 | |
| Guthion® | C10H12O3PS2N3 | 86-50-0 | Solid | mg/m3 | A | P3 |
| Gypsum | Ca S O6 H4 | 10101-41-4 | Solid | mg/m3 | P3 | |
| Hafnium | Hf | 7440-58-6 | Solid | mg/m3 | P3 | |
| Halane | C5H6CI2N2O2 | 118-52-5 | Solid | mg/m3 | ABEK | P3 |
| Halon® 1011 | CH2BrCl | 74-97-5 | Liquid | ppm | A | |
| Halon® 112 | CHCl2F | 75-43-4 | Gaz | ppm | ||
| Halon® 122 | CCl2F2 | 75-71-8 | Gaz | ppm | ||
| Halon® 1301 | CBrF3 | 75-63-8 | Gaz | ppm | ||
| Halon® 242 | CClF2CClF2 | 76-14-2 | Gaz | ppm | ||
| Halowax 1051 | C10Cl8 | 2234-13-1 | Solid | mg/m3 | A | P3 |
| Helium | He | Gaz | ppm | |||
| Heod | C12H8CI6O | 60-57-1 | Solid | mg/m3 | A | P3 |
| Heptan- 2- one | CH3CO[CH2]4CH3 | 110-43-0 | Liquid | ppm | A | |
| Hexachlorobenzene | C6 Cl6 | 118-74-1 | Solid | mg/m3 | A | P3 |
| Hexachlorobenzene | C6 Cl6 | 118-74-1 | Solid | mg/m3 | A | P3 |
| Hexadrin® | C12H8Cl6O | 72-20-8 | Solid | mg/m3 | P3 | |
| Hexahydroaniline | C6H11NH2 | 108-91-8 | Liquid | ppm | A | |
| Hexahydroaniline | C6H11NH2 | 108-91-8 | Liquid | ppm | A | |
| Hexahydrocresol | CH3C6H10OH | 25639-42-3 | Liquid | ppm | A | |
| Hexahydromethylphenol | CH3C6H10OH | 25639-42-3 | Liquid | ppm | A | |
| Hexahydrotoluene | CH3C6H11 | 108-87-2 | Liquid | ppm | A | |
| Hexalin | C6H11OH | 108-93-0 | Liquid | ppm | A | |
| Hexamethyl phosphoramide | [( CH3) 2N] 3PO | 680-31-9 | Liquid | |||
| Hexamethylphosphoric triamide | [( CH3) 2N] 3PO | 680-31-9 | Liquid | |||
| Hexane | CH3[CH2]4CH3 | 110-54-3 | Liquid | ppm | A | |
| Hexone | CH3COCH2CH(CH3)2 | 108-10-1 | Liquid | ppm | A | |
| Hhdn | C12H8Cl6 | 309-00-2 | Solid | mg/m3 | AB | P3 |
| Hydrated lime | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Hydrated lime | Ca(OH)2 | 1305-62-0 | Solid | mg/m3 | P3 | |
| Hydrazine | H2NNH2 | 302-01-2 | Liquid | ppm | K | P3 |
| Hydrazinobenzene | C6H5NHNH2 | 100-63-0 | Liquid | ppm | A | P3 |
| Hydrazobenzene | CH3NHNH2 | 60-34-4 | Solid | ppm | AK | P3 |
| Hydrazoic acid (as vapour) | H N3 | 7782-79-8 | Liquid | ppm | K | P3 |
| Hydrocyanic acid | HCN | 74-90-8 | Liquid | ppm | B | P3 |
| Hydrogen | H2 | 1333-74-0 ? | Gaz | ppm | ||
| Hydrogen arsenide | AsH3 | 7784-42-1 | Liquid | ppm | ||
| Hydrogen bromide | H Br | 10035-10-6 | Gaz | ppm | B | P3 |
| Hydrogen carboxylic acid | HCOOH | 64-18-6 | Liquid | ppm | B / BE | P3 |
| Hydrogen chloride | H Cl | 7647-01-0 | Gaz | ppm | B | P3 |
| Hydrogen chloride | H Cl | 7647-01-0 | Gaz | ppm | B | P3 |
| Hydrogen cyanide | HCN | 74-90-8 | Liquid | ppm | B | P3 |
| Hydrogen fluoride (as f) | H F | 7664-39-3 | Liquid | ppm | B 450 | P3 |
| Hydrogen fluoride (as f) | H F | 7664-39-3 | Liquid | ppm | B 450 | P3 |
| Hydrogen nitrate | HNO3 | 7697-37-2 | Liquid | ppm | B | P3 |
| Hydrogen peroxide | H2O2 | 7722-84-1 | Liquid | ppm | ||
| Hydrogen peroxide | H2O2 | 7722-84-1 | Liquid | ppm | ||
| Hydrogen phosphide | PH3 | 7803-51-2 | Gaz | ppm | B | |
| Hydrogen phosphide | PH3 | 7803-51-2 | Gaz | ppm | B | |
| Hydrogen selenide (as se) | H2 Se | 7783/7/5 | Gaz | ppm | ||
| Hydrogen sulfate | H2SO4 | 7664-93-9 | Liquid | mg/m3 | BE 450 | P3 |
| Hydrogen sulphide | H2 S | 7783/6/4 | Gaz | ppm | B | |
| Hydroquinone | C6H4(OH)2 | 123-31-9 | Solid | mg/m3 | A | P3 |
| Hydroquinone monomethyl ether | CH3OC6H4OH | 150-76-5 | Solid | mg/m3 | P3 | |
| Hydrosulfuric acid | H2 S | 7783-06-4 | Gaz | ppm | B | |
| Hydrous magnesium silicate | Mg3Si4O10(OH)2 | 14807-96-6 | Solid | mg/m3 | P3 | |
| Hydroxybenzene | C6H5OH | 108-95-2 | Solid | ppm | A | P3 |
| Hydroxycellulose | (C6H10O5)n | 9004-34-6 | Solid | mg/m3 | P3 | |
| Hyponitrous acid anhydride | N2 O | 10024-97-2 | Gaz | ppm | NO | |
| IDI | CH3C6H3(NCO)2 | 584-84-9 | Liquid | ppm | A2B2 | P3 |
| Impure corundum | AI2O3 | 1302-74-5 | Solid | mg/m3 | P3 | |
| Indene | C9 H8 | 95-13-6 | Liquid | ppm | A | |
| Indium and compounds (as in) | In | 7440-74-6 | Solid | mg/m3 | P3 | |
| Indonaphthene | C9 H8 | 95-13-6 | Liquid | ppm | A | |
| Iodine | I2 | 7553-56-2 | Solid | ppm | B | P3 |
| Iodoform | CHI3 | 75-47-8 | Solid | ppm | A | |
| Iodomethane | CH3I | 74-88-4 | Liquid | ppm | AX | |
| Iodomethane | CH3I | 74-88-4 | Liquid | ppm | AX | |
| Ipa | (CH3)2CHOH | 67-63-0 | Liquid | ppm | A | |
| IPA | (CH3)2CHOH | 67-63-0 | Liquid | ppm | A | |
| Ipdi | C12H18N2O2 | 4098-71-9 | Liquid | ppm | A | |
| Iron (III) oxide | Fe2O3 | 1309-37-1 | Solid | mg/m3 | P3 | |
| Iron carbonyl, Pentacarbonyl iron | Fe(CO)5 | 13463-40-6 | Liquid | ppm | A | P3 |
| Iron oxide, fume (as fe) | Fe2O3 | 1309-37-1 | Solid | mg/m3 | P3 | |
| Iron pentacarbonyl | Fe(CO)5 | 13463-40-6 | Liquid | ppm | A | P3 |
| Isobutanol | (CH3)2CHCH2OH | 78-83-1 | Liquid | ppm | A | |
| Isobutenyl methyl ketone | (CH3)2C=CHCOCH3 | 141-79-7 | Liquid | ppm | A | |
| Isobutyl methyl ketone | CH3COCH2CH(CH3)2 | 108-10-1 | Liquid | ppm | A | |
| Isoflurane | C3 F5 H2 Cl O | 26675-46-7 | Liquid | ppm | ||
| Isoflurane | C3 F5 H2 Cl O | 26675-46-7 | Liquid | ppm | ||
| Isoflurane | C3 F5 H2 Cl O | 26675-46-7 | Liquid | ppm | ||
| Iso-nitropropane | (CH3)2CH(NO2) | 79-46-9 | Liquid | ppm | A | P3 |
| Iso-nitropropane | (CH3)2CH(NO2) | 79-46-9 | Liquid | ppm | A | P3 |
| Isophorone diamine diisocyanate | C12H18N2O2 | 4098-71-9 | Liquid | ppm | A | |
| Isophorone diisocyanate | C12H18N2O2 | 4098-71-9 | Liquid | ppm | A | |
| Isopropyl chloroformate | C4H7ClO2/(CH3)2CHOCOC | 108-23-6 | Liquid | ppm | A | P3 |
| Isopropyl chloroformate | C4H7ClO2/(CH3)2CHOCOCl | 108-23-6 | Liquid | ppm | A | P3 |
| Isovalerone | [(CH3)2CHCH2]2CO | 108-83-8 | Liquid | ppm | A | |
| ithylbenzene | CH3CH2C6H5 | 100-41-4 | Liquid | ppm | A | |
| Iurpentine | C10 H16 (approx) | 8006-64-2 | Liquid | ppm | A | |
| Jasmolin I or II | C20H28O3 / C21H28O5 C21H30O3 / C22H30O5 C21H28O3 / 22H28O5 | 8003-34-7 | Solid | mg/m3 | A | P3 |
| Kalpur-p / Liparon | c4h11no/(ch3)2nch2ch2oh | 108-01-0 | Liquid | ppm | A | |
| Kaolin | (Al2Si2O5(OH)4)2 | 1332-58-7 | Solid | mg/m3 | P3 | |
| Karmex® | C6H3Cl2NHCON(CH3)2 | 330-54-1 | Solid | mg/m3 | P3 | |
| Keto-ethylene | CH2=CO | 463-51-4 | Gaz | ppm | ||
| Ketone propane | (CH3)2CO | 67-64-1 | Liquid | ppm | AX |
| L, 2-Methylcyclopentadienyl manganese tricarbonyl, | CH3C5H4Mn(CO)3 | 12108-13-3 | Liquid | mg/m3 | A | P3 |
| Lannate® | CH3C(SCH3)NOC(O)NHCH3 | 16752-77-5 | Solid | mg/m3 | P3 | |
| Lead and compounds (except lead alkyls) | Pb | 7439-92-1 | Solid | μg/ m3 | P3 | |
| Lepidolite | n/ a | 12001-26-2 | Solid | mg/m3 | P3 | |
| Lime | CaO | 1305-78-8 | Solid | mg/m3 | P2/P3 | |
| Lindane | C6H6Cl6 | 58-89-9 | Solid | mg/m3 | B | P3 |
| Lithium hydride* | LiH | 7580-67-8 | Solid | mg/m3 | A | P3 |
| Lithium hydroxide | LiOH | 1310-65-2 | Solid | mg/m3 | P3 | |
| Lithium monohydride* | LiH | 7580-67-8 | Solid | mg/m3 | A | P3 |
| LPG (Liquefied Petroleum Gas) | Mix : C3 H6; C3 H8; C4 H8; C4 H10 | 68476-85-7 | Gaz | ppm | ||
| Lye | NaOH | 1310-73-2 | Solid | mg/m3 | P3 | |
| Lye | NaOH | 1310-73-2 | Solid | mg/m3 | P3 | |
| Ma | C6H5NHCH3 | 100-61-8 | Liquid | ppm | A | |
| Mace® | C6H5COCH2Cl | 532-27-4 | Solid | ppm | ABEK | P3 |
| Magnesite | MgCO3 | 546-93-0 | Solid | mg/m3 | P3 | |
| Magnesium carbonate | MgCO3 | 546-93-0 | Solid | mg/m3 | P3 | |
| Magnesium oxide, fume and dust (as mg) | MgO | 1309-48-4 | Solid | mg/m3 | P3 | |
| Malathion (iso) | C10H19O6PS2 | 121-75-5 | Liquid | mg/m3 | A | P3 |
| Manganese and compounds (as mn) | Mn | 7439-96-5 | Solid | mg/m3 | P2/P3 | |
| Manganese cyclopentadienyl tricarbonyl | C5H5Mn(CO)3 | 12079-65-1 | Solid | mg/m3 | A | P3 |
| Manganese tetroxide | Mn3O4 | 1317-35-7 | Solid | mg/m3 | P3 | |
| Manganese tricarbonylmethylcyclopentadieny | CH3C5H4Mn(CO)3 | 12108-13-3 | Liquid | mg/m3 | A | P3 |
| Manganese, fume (as mn) | Mn | 7439-96-5 | Solid | mg/m3 | P2/P3 | |
| Manganomanganic oxide | Mn3O4 | 1317-35-7 | Solid | mg/m3 | P3 | |
| Margarite | n/ a | 12001-26-2 | Solid | mg/m3 | P3 | |
| MBK | CH3CO[CH2]3CH3 | 591-78-6 | Liquid | ppm | A | |
| MBK | CH3CO[CH2]3CH3 | 591-78-6 | Liquid | ppm | A | |
| MbOCA | CH2(C6H4CINH2)2 | 101-14-4 | Solid | mg/m3 | A | P3 |
| MD | C5H5Mn(CO)3 | 12079-65-1 | Solid | mg/m3 | A | P3 |
| MDA | CH2(C6H4NH2)2 | 101-77-9 | Solid | ppm | A | P3 |
| MDA | CH2(C6H4NH2)2 | 101-77-9 | Solid | ppm | A | P3 |
| MDI | CH2(C6H4NCO)3 | 101-68-8 | Solid | ppm | A | P3 |
| Mecrylate | CH2=C(CN)COOCH3 | 137-05-3 | Liquid | ppm | A | P3 |
| Mercaptomethane | CH3SH | 74-93-1 | Gaz | ppm | AXB | |
| Mercury & its inorganic divalent compounds | Hg | 7439-97-6 | Liquid | mg/m3 | Hg | P3 |
| Mesitylene | C6H3(CH3)3 | 108-67-8 | Liquid | ppm | A | |
| Mesitylene | C6H3(CH3)3 | 108-67-8 | Liquid | ppm | A | |
| Metallum problematum | Te | 13494-80-9 | Solid | mg/m3 | P2/P3 | |
| Methacrylate monomer | CH2=C(CH3)COOCH3 | 80-62-6 | Liquid | ppm | A | |
| Methacrylate monomer | CH2=C(CH3)COOCH3 | 80-62-6 | Liquid | ppm | A | |
| Methanal | HCHO | 50-00-0 | Liquid | ppm | ABE | |
| Methanamide | HCONH2 | 75-12-7 | Liquid | ppm | A | P3 |
| Methane | C H4 | 74-82-8 | Gaz | ppm | ||
| Methane tetrabromide | CBr4 | 558-13-4 | Solid | mg/m3 | A | |
| Methane tetramethylol | C(CH2OH)4 | 115-77-5 | Solid | mg/m3 | A | P3 |
| Methane trichloride | CHCl3 | 67-66-3 | Liquid | ppm | AX | |
| Methanethiol | CH3SH | 74-93-1 | Gaz | ppm | AXB | |
| Methanol | CH3OH | 67-56-1 | Liquid | ppm | AX | |
| Methomyl (iso) | CH3C(SCH3)NOC(O)NHCH3 | 16752-77-5 | Solid | mg/m3 | P3 | |
| Methoxycarbonylethylene | CH2=CHCOOCH3 | 96-33-3 | Liquid | ppm | A | |
| Methoxy-dtt | (C6H4OCH3)2CHCCl3 | 72-43-5 | Solid | mg/m3 | A | P3 |
| Methyl 1-(butylcarbamoyl) 2-benzimidazolecarbamate | C14H18N4O3 | 17804-35-2 | Solid | mg/m3 | A | P3 |
| Methyl- 2- cyanoacrylate | CH2=C(CN)COOCH3 | 137-05-3 | Liquid | ppm | A | P3 |
| Methyl acetate | CH3COOCH3 | 79-20-9 | Liquid | ppm | AX | |
| Methyl alpha-cyanoacrylate | CH2=C(CN)COOCH3 | 137-05-3 | Liquid | ppm | A | P3 |
| Methyl amyl alcohol | (CH3)2CHCH2CH(OH)CH3 | 108-11-2 | Liquid | ppm | A | |
| Methyl amyl alcohol | (CH3)2CHCH2CH(OH)CH3 | 108-11-2 | Liquid | ppm | A | |
| Methyl amyl alcohol | (CH3)2CHCH2CH(OH)CH3 | 108-11-2 | Liquid | ppm | A | |
| Methyl benzene | C6H5CH3 | 108-88-3 | Liquid | ppm | A | |
| Methyl benzol | C6H5CH3 | 108-88-3 | Liquid | ppm | A | |
| Methyl bromide | CH3Br | 74-83-9 | Gaz | ppm | AX | |
| Methyl chloride | CH3Cl | 74-87-3 | Gaz | ppm | ||
| Methyl ester of formic acid | HCOOCH3 | 107-31-3 | Liquid | ppm | AX | |
| Methyl ester of isocyanic acid | CH3NCO | 624-83-9 | Liquid | mg/m3 | B | P3 |
| Methyl ethyl carbinol | CH3CH(OH)CH2CH3 | 78-92-2 | Liquid | ppm | A | |
| Methyl ethylene oxide | C3H6O | 75-56-9 | Liquid | ppm | AX 450 | |
| Methyl ethylene oxide | C3H6O | 75-56-9 | Liquid | ppm | AX 450 | |
| Methyl ethylene oxide | C3H6O | 75-56-9 | Liquid | ppm | AX 450 | |
| Methyl isocyanate | CH3NCO | 624-83-9 | Liquid | mg/m3 | B | P3 |
| Methyl orthosilicate | (CH3O)4Si | 681-84-5 | Liquid | ppm | A | |
| Methyl parathion | (CH3O)2P(S)OC6H4NO2 | 298-00-0 | Solid | mg/m3 | A2 | P3 |
| Methyl phosphite | (CH3O)3P | 121-45-9 | Liquid | ppm | A | P3 |
| Methyl propenoate | CH2=CHCOOCH3 | 96-33-3 | Liquid | ppm | A | |
| Methyl propenoate | CH2=CHCOOCH3 | 96-33-3 | Liquid | ppm | A | |
| Methyl propyl ketone | CH3COCH2CH2CH3 | 107-87-9 | Liquid | ppm | A | |
| Methyl sulfhydrate | CH3SH | 74-93-1 | Gaz | ppm | AXB | |
| METHYL- t- BUTYL ETHER | C5 H12 O | 1634-04-4 | Liquid | ppm | AX | P3 |
| METHYL- tert- BUTYL ETHER | C5 H12 O | 1634-04-4 | Liquid | ppm | AX | P3 |
| Methyl tribromide | CHBr3 | 75-25-2 | Liquid | ppm | A | |
| Methylamine | CH3NH2 | 74-89-5 | Gaz | ppm | K | |
| Methylamine (anhydrous) | CH3NH2 | 74-89-5 | Gaz | ppm | K | |
| Methylcyclohexane | CH3C6H11 | 108-87-2 | Liquid | ppm | A | |
| Methylcyclohexanol | CH3C6H10OH | 25639-42-3 | Liquid | ppm | A | |
| Methylene bis(4-phenyl isocyanate) | CH2(C6H4NCO)3 | 101-68-8 | Solid | ppm | A | P3 |
| Methylene chloride | CH2CI2 | 75-09-2 | Liquid | ppm | AX | |
| Methylene oxide | HCHO | 50-00-0 | Liquid | ppm | ABE | |
| Methylene oxide | HCHO | 50-00-0 | Liquid | ppm | ABE | |
| Methylisoamyl acetate | C8 H16 O2 | 108-84-9 | Liquid | ppm | A | |
| Methylisoamyl acetate | C8 H16 O2 | 108-84-9 | Liquid | ppm | A | |
| Methylphenylamine, | C6H5NHCH3 | 100-61-8 | Liquid | ppm | A | |
| Methylstyrene | CH2=CHC6H4CH3 | 25013-15-4 | Liquid | ppm | A | |
| METHYL-tert-BUTYL ETHER | C5 H12 O | 1634-04-4 | Liquid | ppm | AX | P3 |
| Mevinphos (iso) | C7H13PO6 | 7786-34-7 | Liquid | ppm | A | P3 |
| Miak | CH3COCH2CH2CH(CH3)2 | 110-12-3 | Liquid | ppm | A | |
| Mibc | (CH3)2CHCH2CH(OH)CH3 | 108-11-2 | Liquid | ppm | A | |
| Mic | CH3NCO | 624-83-9 | Liquid | mg/m3 | B | P3 |
| Mikb | CH3COCH2CH(CH3)2 | 108-10-1 | Liquid | ppm | A | |
| MMH | CH3NHNH2 | 60-34-4 | Solid | ppm | AK | P3 |
| Molybdenum compounds (as mo) | Mo | 7439-98-7 | Solid | mg/m3 | P3 | |
| Monobromoethylene | CH2=CHBr | 593-60-2 | Gaz | ppm | AX | |
| Monochloroacetic acid | ClCH2COOH | 79-11-8 | Liquid | ppm | A | P3 |
| Monochloropentafluoroethane | CClF2CF3 | 76-15-3 | Gaz | ppm | ||
| Monoethylamine | CH3CH2NH2 | 75-04-7 | Liquid | ppm | K | |
| Monofluorotrichloromethane | CCl3F | 75-69-4 | Liquid | ppm | ||
| Mononitrogen monoxide | N O | 10102-43-9 | Gaz | ppm | ||
| Monophenylhydrazine | C6H5NHNH2 | 100-63-0 | Liquid | ppm | A | P3 |
| Monosilane | SiH4 | 7803-62-5 | Gaz | ppm | ||
| Monoxide | CO | 630-08-0 | Gaz | ppm | ||
| Morpholine | C4H9ON | 110-91-8 | Liquid | ppm | A | |
| MPK | CH3COCH2CH2CH3 | 107-87-9 | Liquid | ppm | A |
| N- butyl chloroformate | C5 H10 CL O2 | 592-34-7 | Liquid | ppm | A | P3 |
| N- Butyl chloroformate | C5 H10 CL O2 | 592-34-7 | Liquid | ppm | A | P3 |
| N- butylamine | CH3CH2CH2CH2NH2 | 109-73-9 | Liquid | ppm | BK | |
| N- butylglycidyl ether | C7 H14 O2 | 2426/8/6 | Liquid | ppm | A | |
| N- propyl acetate | CH3COOCH2CH2CH3 | 109-60-4 | Liquid | ppm | A | |
| N-((1,1,2,2-Tetrachloroethyl)thio) 4-cyclohexene-1,2-dicarboximide | C10H9Cl14NO2S | 2425-06-1 | Solid | mg/m3 | A | |
| N-(1-Methylethyl)-2-propanamine | [(CH3)2CH]2NH | 108-18-9 | Liquid | ppm | K | |
| N, N- >Dimethylacetamide | CH3CON(CH3)2 | 127-19-5 | Liquid | ppm | A | |
| N, n- dimethylaniline | C6H5N(CH3)2 | 121-69-7 | Liquid | ppm | A | P3 |
| N,N'-Dimethyl-4,4'-bipyridinium dichloride | CH3(C5H4N)2CH3 • 2Cl | 1910-42-5 | Solid | mg/m3 | A | P3 |
| N,N-Dimethylbenzeneamine | C6H5N(CH3)2 | 121-69-7 | Liquid | ppm | A | P3 |
| N,N-Dimethylcarbamoyl chloride | (CH3)2NCOCI | 79-44-7 | Liquid | |||
| N,n-dimethylformamide | HCON(CH3)2 | 68-12-2 | Liquid | ppm | A | |
| N,n-dimethylmethanamine | (CH3)3N | 75-50-3 | Gaz | ppm | K | |
| Naled | (CH3O)2P(O)OCHBrCBrCl2 | 300-76-5 | Solid | mg/m3 | A | P3 |
| Naphthalene | C10H8 | 91-20-3 | Solid | ppm | A | P3 |
| Naphthalene | C10H8 | 91-20-3 | Solid | ppm | A | P3 |
| Natural aluminum oxide | Al2O3 | 1344-28-1 | Solid | mg/m3 | P3 | |
| Navadel® | C4H6O2[SPS(OC2H5)2]2 | 78-34-2 | Liquid | mg/m3 | A | P3 |
| N-Butyl acetate | CH3COO[CH2]3CH3 | 123-86-4 | Liquid | ppm | A | |
| Neon | Ne | 7440 01 9 | Gaz | ppm | ||
| N-Ethylethanamine | (C2H5)2NH | 109-89-7 | Liquid | ppm | K + 450 | |
| N-Ethylmorpholine | C6 H13 N O | 100-74-3 | Liquid | ppm | A | P3 |
| Ng | CH2NO3CHNO3CH2NO3 | 55-63-0 | Liquid | mg/m3 | A | P3 |
| Nickel and inorganic compounds | Ni | 7440-02-0 | Solid | mg/m3 | P3 | |
| Nickel carbonyl | Ni(CO)4 | 13463-39-3 | Liquid | ppm | ||
| Nickel tetracarbonyl | Ni(CO)4 | 13463-39-3 | Liquid | ppm | ||
| Nicotine | C5H4NC4H7NCH3 | 54-11-5 | Liquid | mg/m3 | A | P3 |
| Nicotine | C5H4NC4H7NCH3 | 54-11-5 | Liquid | mg/m3 | A | P3 |
| Nitrapyrin | ClC5H3NCCl3 | 1929-82-4 | Solid | mg/m3 | AB | P3 |
| Nitric oxide | N O | 10102-43-9 | Gaz | ppm | ||
| Nitrobenzene | C6H5NO2 | 98-95-3 | Liquid | ppm | A | P3 |
| Nitrocarbol | CH3NO2 | 75-52-5 | Liquid | ppm | A | P3 |
| Nitrochloroform | CCl3NO2 | 76-06-2 | Liquid | ppm | A | P3 |
| Nitroetan | CH3CH2NO2 | 79-24-3 | Liquid | ppm | A | P3 |
| Nitroethane | CH3CH2NO2 | 79-24-3 | Liquid | ppm | A | P3 |
| Nitrogen | N2 | 7727-37-9 | Gaz | ppm | ||
| Nitrogen dioxide | N O2 | 10102-44-0 | gaz | ppm | NO | |
| Nitrogen fluoride | NF3 | 7783-54-2 | Gaz | ppm | ||
| Nitrogen monoxide | N O | 10102-43-9 | Gaz | ppm | ||
| Nitrogen peroxide | N O2 | 10102-44-0 | gaz | ppm | NO | |
| Nitrogen trifluoride | NF3 | 7783-54-2 | Gaz | ppm | ||
| Nitropropane | CH3CH2CH2NO2 | 108-03-2 | Liquid | ppm | A | P3 |
| N-methylmethanamine | (CH3)2NH | 124-40-3 | Gaz | ppm | K | |
| N-Methyl-N-nitroso-methanamine | (CH3)2N2O | 62-75-9 | Liquid | A | P3 | |
| Nn- dimethylethylamine | C4 H11 N | 598-56-1 | Liquid | ppm | K | P3 |
| NN- Dimethylethylamine | C4 H11 N | 598-56-1 | Liquid | ppm | K | P3 |
| NN- Dimethylethylamine | C4 H11 N | 598-56-1 | Liquid | ppm | K | P3 |
| Nn- dimethylhydrazine | (CH3)2NNH2 | 57-14-7 | Liquid | ppm | K 450 | |
| N-Nitroso-N,N-dimethylamine | (CH3)2N2O | 62-75-9 | Liquid | A | P3 | |
| N-octane | CH3[CH2]6CH3 | 111-65-9 | Liquid | mg/m3 | A | |
| Nonyphenols | C15H24O | 25154-52-3 | Liquid | A | P3 | |
| N-phenylmethylamine | C6H5NHCH3 | 100-61-8 | Liquid | ppm | A | |
| N-propane | CH3CH2CH3 | 74-98-6 | Gaz | ppm | ||
| N-Trichloromethylmercapto-4-cyclohexene 1,2-dicarboximide | C9H8Cl3NO2S | 133-06-2 | Solid | mg/m3 | A | P3 |
| Nux vomica | C21H22N2O2 | 57-24-9 | Solid | mg/m3 | P3 | |
| O- acetylsalicylic acid | CH3COOC6H4COOH | 50-78-2 | Solid | mg/m3 | P2/P3 | |
| O,O-Diethyl O-3,5,6-trichIoro 2-pyridyl phosphorothioate | C9H11Cl3NO3PS | 2921-88-2 | Solid | mg/m3 | A | P3 |
| O,O-Diethyl S- ethylthiomethylthiothionophosphate | (C2H5O)2P(S)SCH2SC2H5 | 298-02-2 | Liquid | mg/m3 | A | P3 |
| O,O-Diethyl S-(ethylthio) methylphosphorodithioate | (C2H5O)2P(S)SCH2SC2H5 | 298-02-2 | Liquid | mg/m3 | A | P3 |
| O,O-Diethyl S-2-(ethylthio)-ethyl phosphorodithioate | C8H19O2PS3 | 298-04-4 | Liquid | mg/m3 | ABE | P3 |
| O,O-Diethyl-O(p-nitrophenyl) phosphorothioate | (C2H5O)2P(S)OC6H4NO2 | 56-38-2 | Liquid | mg/m3 | A2 | P3 |
| O,O-Diethyl-O-2-isopropyl-4-methyl 6-pyrimidinyl-phosphorothioate | C12H21N2O3PS | 333-41-5 | Liquid | mg/m3 | BE | P3 |
| O,O-Dimethyl O-(2,4,5-trichlorophenyl) phosphorothioate | (CH3O)2P(S)OC6H2Cl3 | 299-84-3 | Solid | mg/m3 | A | P3 |
| O-anisidine | NH2C6H4OCH3 | 90-04-0 | Liquid | mg/m3 | A | P3 |
| Octalene | C12H8Cl6 | 309-00-2 | Solid | mg/m3 | AB | P3 |
| O-dianisidine | (NH2C6H3OCH3)2 | 119-90-4 | Solid | P3 | ||
| O-dichlorobenzol | C6H4Cl2 | 95-50-1 | Liquid | ppm | A | |
| O-diphenylbenzene | C6H5C6H4C6H5 | 84-15-1 | Solid | ppm | P3 | |
| Oil mist, mineral | 8012-95-1 | Solid | mg/m3 | P3 | ||
| Oil of mirbane | C6H5NO2 | 98-95-3 | Liquid | ppm | A | P3 |
| O-methylcyclohexanone | CH3C6H9O | 583-60-8 | Liquid | ppm | A | |
| O-Methylnitrobenzene | NO2C6H4CH3 | 88-72-2 | Liquid | ppm | A | P3 |
| O-nitrotoluene | NO2C6H4CH3 | 88-72-2 | Liquid | ppm | A | P3 |
| Ortho-dichlorobenzene | C6H4CI2 | 95-50-1 | Liquid | ppm | A | |
| Ortho-nitrotoluene | NO2C6H4CH3 | 88-72-2 | Liquid | ppm | A | P3 |
| Orthophosphoric acid | H3PO4 | 7664-38-2 | Solid | mg/m3 | B | P3 |
| Orthophosphoric acid | H3PO4 | 7664-38-2 | Solid | mg/m3 | B | P3 |
| O-sec-Butylphenol | CH3CH2CH(CH3)C6H4OH | 89-72-5 | Liquid | ppm | A | |
| Osmic acid anhydride | OsO4 | 20816-12-0 | Solid | mg/m3 | B | P3 |
| Osmium oxide | OsO4 | 20816-12-0 | Solid | mg/m3 | B | P3 |
| O-Triphenyl | C6H5C6H4C6H5 | 84-15-1 | Solid | ppm | P3 | |
| Oxalic acid | HOOCCOOH • 2H2O | 144-62-7 | Solid | mg/m3 | P3 | |
| Oxalic acid dihydrate | HOOCCOOH • 2H2O | 144-62-7 | Solid | mg/m3 | P3 | |
| Oxooctyl alcohol | C7H15CH2OH | 26952-21-6 | Liquid | ppm | A | |
| Oxybis(chloromethane) | (CH2Cl)2O | 542-88-1 | Liquid | mg/m3 | A2 | P3 |
| Ozone | O3 | 10028-15-6 | Gaz | ppm | AXB2 | P3 |
| P - Aramid respirable fibres | (C14 H10 O2 N2) n | 26125-61-1 | fibres/ml | P3 | ||
| P- toluenesulphonyl chloride | C7 H7 S O2 Cl | 98-59-9 | Solid | mg/m3 | AB | P3 |
| Paracetamol | C8 H9 N O2 | 103-90-2 | Solid | mg/m3 | P3 | |
| Para-dichlorobenzene | C6 H4 CI2 | 106-46-7 | Solid | ppm | A | |
| Para-dinitrobenzene | C6H4(NO2)2 | 100-25-4 | Solid | mg/m3 | A | P3 |
| Paraquat chloride | CH3(C5H4N)2CH3 • 2CI | 1910-42-5 | Solid | mg/m3 | A | P3 |
| Paraquat chloride | CH3(C5H4N)2CH3 • 2Cl | 1910-42-5 | Solid | mg/m3 | A | P3 |
| Parathion-ethyl | (C2H5O)2P(S)OC6H4NO2 | 56-38-2 | Liquid | mg/m3 | A2 | P3 |
| Parathion-ethyl | (C2H5O)2P(S)OC6H4NO2 | 56-38-2 | Liquid | mg/m3 | A2 | P3 |
| PCB | C6H3Cl2C6H2Cl3 | 11097-69-1 | Liquid | mg/m3 | AB | P3 |
| P-Chloronitrobenzene | ClC6H4NO2 | 100-00-5 | Solid | mg/m3 | AB | P3 |
| PCNB | ClC6H4NO2 | 100-00-5 | Solid | mg/m3 | AB | P3 |
| PCP | C6Cl5OH | 87-86-5 | Solid | mg/m3 | A | P3 |
| P-Dioxane | C4H8O2 | 123-91-1 | Liquid | ppm | A | P3 |
| Penta | C6Cl5OH | 87-86-5 | Solid | mg/m3 | A | P3 |
| Pentachlorophenol | C6Cl5OH | 87-86-5 | Solid | mg/m3 | A | P3 |
| Pentachlorophosphorus | PCl5 | 10026-13-8 | Solid | mg/m3 | B | P3 |
| Pentan- 2- one | CH3COCH2CH2CH3 | 107-87-9 | Liquid | ppm | A | |
| Pentane | CH3[CH2]3CH3 | 109-66-0 | Liquid | ppm | AX | |
| Perchlorethylene | Cl2C=CCl2 | 127-18-4 | Liquid | ppm | A | |
| Perchloroethylene | Cl2C=CCl2 | 127-18-4 | Liquid | ppm | A | |
| Peroxide de 2-Butanone | C8H16O4 | 1338-23-4 | Liquid | ppm | A | P3 |
| PGDN | CH3CNO2OHCHNO2OH | 6423-43-4 | Liquid | ppm | A | P3 |
| PGE | C9H10O2 | 122-60-1 | Liquid | ppm | A | |
| Phenyl methane | C6H5CH3 | 108-88-3 | Liquid | ppm | A | |
| Phenyl phosphate | (C6H5O)3PO | 115-86-6 | Solid | mg/m3 | A | P3 |
| Phenylaniline | (C6H5)2NH | 122-39-4 | Solid | mg/m3 | A | P3 |
| Phenylaniline | (C6H5)2NH | 122-39-4 | Solid | mg/m3 | A | P3 |
| Phenylethylene | C6H5CH=CH2 | 100-42-5 | Liquid | ppm | A | |
| Phenylethylene | C6H5CH=CH2 | 100-42-5 | Liquid | ppm | A | |
| Phorate (iso) | (C2H5O)2P(S)SCH2SC2H5 | 298-02-2 | Liquid | mg/m3 | A | P3 |
| Phosphine | PH3 | 7803-51-2 | Gaz | ppm | B | |
| Phosphoric chloride | PCl5 | 10026-13-8 | Solid | mg/m3 | B | P3 |
| Phosphorus anhydride | P205 ou P4O10 | 1314-56-3 | Solid | mg/m3 | A | P3 |
| Phosphorus chloride | PCl3 | 7719- 12 2 | Liquid | ppm | B 450 | P3 |
| Phosphorus chloride, | POCl3 | 10025-87-3 | Liquid | ppm | B | P3 |
| Phosphorus chloride, | POCl3 | 10025-87-3 | Liquid | ppm | B | P3 |
| Phosphorus oxychoride | POCl3 | 10025-87-3 | Liquid | ppm | B | P3 |
| Phosphorus pentasulphide | P2S5/P4S10 | 1314-80-3 | Solid | mg/m3 | B 450 | P3 |
| Phosphorus pentoxide | P205 ou P4O10 | 1314-56-3 | Solid | mg/m3 | A | P3 |
| Phosphorus perchloride | PCl5 | 10026-13-8 | Solid | mg/m3 | B | P3 |
| Phosphorus trichloride | PCl3 | 7719- 12 2 | Liquid | ppm | B 450 | P3 |
| Phosphorus, yellow | P4 | 7723-14-0 | Solid | mg/m3 | ||
| Picloram (iso) | C6H3Cl3O2N2 | 1918/2/1 | Solid | mg/m3 | AB | P3 |
| Piperazine dihydrochloride | C4H10N2 • 2HCl / | 142-64-3 | Solid | mg/m3 | P3 | |
| Piperazine hydrochloride | C4H10N2 HCl | 142-64-3 | Solid | mg/m3 | P3 | |
| Piperidine | CH2(CH2)4NH | 110-89-4 | Liquid | ppm | A | |
| Platinum metal | Pt | 7440 06 4 | Solid | mg/m3 | P2/P3 | |
| Polychlorinated biphenyl | C6H3Cl2C6H2Cl3 | 11097-69-1 | Liquid | mg/m3 | AB | P3 |
| Polychlorinated biphenyls (pcb's) | C12 H( 10- x) Clx | 1336-36-3 | Liquid | mg/m3 | ||
| Polyvinyl chloride (pvc) (resp. Dust) | (C2 H3 Cl) N | 9002-86-2 | Solid | mg/m3 | P3 | |
| Portland cement (resp. Dust) | as Portland Cement | 65997-15-1 | Solid | mg/m3 | P2/P3 | |
| Potassium bromate | K Br O3 | 7789-01-2 | Solid | P3 | ||
| Potassium hydrate | KOH | 1310-58-3 | Solid | mg/m3 | P3 | |
| Potassium hydroxide | KOH | 1310-58-3 | Solid | mg/m3 | P3 | |
| P-quinone | OC6H4O | 106-51-4 | Solid | ppm | A | P3 |
| Primary isoamyl alcohol | (CH3)2CHCH2CH2OH | 123-51-3 | Liquid | ppm | A | |
| Prop- 2- yn- 1- ol | C3H3OH | 107-19-7 | Liquid | ppm | A | |
| Propane- 1,2- diol (total) | C3 H8 O2 | 57-55-6 | Liquid | ppm | A | P3 |
| Propane- 1,2- diol (total) | C3 H8 O2 | 57-55-6 | Liquid | ppm | A | P3 |
| Propenol | CH2=CHCH2OH | 107-18-6 | Liquid | ppm | A | |
| Propoxur (iso) | CH3NHCOOC6H4OCH(CH3)2 | 114-26-1 | Solid | mg/m3 | P3 | |
| Propranolol | C16 H21 N O2 | 525-66-6 | mg/m3 | A | P3 | |
| Propyl alcohol | CH3CH2CH2OH | 71-23-8 | Liquid | ppm | A | |
| Propylene | C3 H6 | 115-07-1 | Gaz | ppm |
| Propylene glycol | as Propane- 1,2- diol | 57-55-6 | Liquid | ppm | A | P3 |
| Propylene glycol-1,2-dinitrate | CH3CNO2OHCHNO2OH | 6423-43-4 | Liquid | ppm | A | P3 |
| Propylene imine (inhibited) | C3H7N | 75-55-8 | Liquid | ppm | K | P3 |
| Pvc (polyvinyl chloride) (resp. Dust) | (C2 H3 Cl) N | 9002-86-2 | Solid | mg/m3 | P3 | |
| Pyridine | C5H5N | 110-86-1 | Liquid | ppm | A | P3 |
| Pyrocellulose | (C6H10O5)n | 9004-34-6 | Solid | mg/m3 | P3 | |
| Pyrophosphate | Na4P2O7 | 7722-88-5 | Solid | mg/m3 | P3 | |
| Quartz | SiO2 | 14808-60-7 | Solid | mg/m3 | P3 | |
| RDX | C3H6N6O6 | 121-82-4 | Solid | mg/m3 | P3 | |
| Refrigerant 112a | CCl3CClF2 | 76-11-9 | Solid | ppm | A | |
| Refrigerant 12 | CCI2F2 | 75-71-8 | Gaz | ppm | ||
| Refrigerant 21 | CHCI2F | 75-43-4 | Gaz | ppm | ||
| Resorcinol | C6H4(OH)2 | 108-46-3 | Solid | ppm | A | P3 |
| Rhodium (as rh) metal fume and dust | Rh | 7440-16-6 | Solid | mg/m3 | P2/P3 | |
| Ronnel | (CH3O)2P(S)OC6H2Cl3 | 299-84-3 | Solid | mg/m3 | A | P3 |
| Rotenone (iso) | C23 H22 O6 | 83-79-4 | Solid | mg/m3 | A | P3 |
| Rotenone (iso) | C23 H22 O6 | 83-79-4 | Solid | mg/m3 | A | P3 |
| Rouge (resp. Dust) | Fe2O3 | 1309-37-1 | Solid | mg/m3 | P3 | |
| Rutile | TiO2 | 13463-67-7 | Solid | mg/m3 | P3 | |
| S-[1,2-bis(ethoxycarbonyl) ethyl] O,O-dimethyl-phosphorodithioate | C10H19O6PS2 | 121-75-5 | Liquid | mg/m3 | A | P3 |
| Saccarose | C12H22O11 | 57-50-1 | Solid | mg/m3 | P2/P3 | |
| Sec-Hexyl acetate | C8 H16 O2 | 108-84-9 | Liquid | ppm | A | |
| Seekay wax | C10H4Cl4 | 1335-88-2 | Solid | mg/m3 | A | P3 |
| Selenium dihydride | H2 Se | 7783-07-5 | Gaz | ppm | ||
| Sesone | C6H3Cl2OCH2CH2OSO3Na | 136-78-7 | Solid | mg/m3 | P3 | |
| Sevin® | CH3NHCOOC10H7 | 63-25-2 | Solid | mg/m3 | A | |
| Silane | SiH4 | 7803-62-5 | Gaz | ppm | ||
| Silica, amorphous (resp. Dust) | SiO2 | 7631-86-9 | Solid | mg/m3 | P3 | |
| Silica, fused (resp. Dust) | O2 Si | 60676-86-0 | Solid | mg/m3 | P3 | |
| Silicane | SiH4 | 7803-62-5 | Gaz | ppm | ||
| Silicon (resp. Dust) | Si | 7440-21-3 | Solid | mg/m3 | P3 | |
| Silicon monocarbide | SiC | 409-21-2 | Solid | mg/m3 | P3 | |
| Silver, metallic | Ag | 7440-22-4 | Solid | mg/m3 | P3 | |
| Soda lye | NaOH | 1310-73-2 | Solid | mg/m3 | P3 | |
| Sodium 2-( 2,4- dichlorophenoxy) ethyl sulphate | C6H3CI2OCH2CH2OSO3Na | 136-78-7 | Solid | mg/m3 | P3 | |
| Sodium acid bisulfite | NaHSO3 | 7631-90-5 | Solid | mg/m3 | P2/P3 | |
| SODIUM AZIDE (as nan3) | NaN3 | 26628-22-8 | Solid | mg/m3 | P3 | |
| Sodium bisulphite | NaHSO3 | 7631-90-5 | Solid | mg/m3 | P2/P3 | |
| Sodium borate decahydrate | Na2B4O7 • 10H2O | 1303-96-4 | Solid | mg/m3 | P3 | |
| Sodium fluoroacetate | FCH2COONa | 62-74-8 | Solid | mg/m3 | P3 | |
| Sodium hydroxide | NaOH | 1310-73-2 | Solid | mg/m3 | P3 | |
| Sodium metabisulphite | Na2S2O5 | 7681-57-4 | Solid | mg/m3 | B | P3 |
| Sodium metabisulphite | Na2S2O5 | 7681-57-4 | Solid | mg/m3 | B | P3 |
| Sodium monofluoroacetate | FCH2COONa | 62-74-8 | Solid | mg/m3 | P3 | |
| Sodium pyrosulfite | Na2S2O5 | 7681-57-4 | Solid | mg/m3 | B | P3 |
| Steatite talc | Mg3Si4O10(OH)2 | 14807-96-6 | Solid | mg/m3 | P3 | |
| Strychnine | C21H22N2O2 | 57-24-9 | Solid | mg/m3 | P3 | |
| Styrene monomer | C6H5CH=CH2 | 100-42-5 | Liquid | ppm | A | |
| Subtilisins | Bacillus subtilis | 1395-21-7 | Solid | mg/m3 | ||
| Sucrose | C12H22O11 | 57-50-1 | Solid | mg/m3 | P2/P3 | |
| Sulfotep (iso) | [(CH3CH2O)2PS]2O | 3689-24-5 | Liquid | mg/m3 | ABE | P3 |
| Sulfur difluoride dioxide | SO2F2 | 2699-79-8 | Gaz | ppm | BE 450 | |
| Sulfur fluoride | SF6 | 2551-62-4 | Gaz | ppm | BE | P3 |
| Sulfur oxide | SO2 | 7446/9/5 | Gaz | ppm | E | |
| Sulfur subchloride | S2 Cl2 | 10025-67-9 | Liquid | ppm | B | P3 |
| Sulfur subchloride | S2 Cl2 | 10025-67-9 | Liquid | ppm | B | P3 |
| Sulfurous acid anhydride | SO2 | 7446-09-5 | Gaz | ppm | E | |
| Sulfurous oxide | SO2 | 7446-09-5 | Gaz | ppm | E | |
| Sulfurous oxychloride | SOCI2 | 7719/9/7 | Liquid | ppm | B | P3 |
| Sulphur dioxide | SO2 | 7446/9/5 | Gaz | ppm | E | |
| Sulphur hexafluoride | SF6 | 2551-62-4 | Gaz | ppm | BE | P3 |
| Sulphur monochloride | S2 Cl2 | 10025-67-9 | Liquid | ppm | B | P3 |
| Sulphur pentafluoride | S2F10 | 5714-22-7 | Liquid | ppm | B | P3 |
| Sulphur tetrafluoride | SF4 | 7783-60-0 | Gaz | ppm | ||
| Sulphuryl difluoride | SO2F2 | 2699-79-8 | Gaz | ppm | BE 450 | |
| Sym-dichloroethylene | CICH=CHCI | 540-59-0 | Liquid | ppm | AX | |
| Sym-dichloroethylene | CICH=CHCI | 540-59-0 | Liquid | ppm | AX | |
| Symmetrical tetrabromoethane | CHBr2CHBr2 | 79-27-6 | Liquid | ppm | A | P3 |
| Symmetrical trimethylbenzene | C6H3(CH3)3 | 108-67-8 | Liquid | ppm | A | |
| Sym-Trinitrotoluene | CH3C6H2(NO2)3 | 118-96-7 | Solid | mg/m3 | A | P3 |
| Talc (resp. Dust) | Mg3Si4O10(OH)2 | 14807-96-6 | Solid | mg/m3 | P3 | |
| Tantalum | Ta | 7440-25-7 | Solid | mg/m3 | P3 | |
| TBP | (CH3[CH2]3O)3PO | 126-73-8 | Liquid | mg/m3 | A | P3 |
| Tca | CCl3COOH | 76-03-9 | Solid | ppm | B | P3 |
| TCE | ClCH=CCl2 | 79-01-6 | Liquid | ppm |
|
|
| TCHH | (C6H11)3SnOH | 13121-70-5 | Solid | mg/m3 | A | P3 |
| TCP | (CH3C6H40)3PO | 78-30-8 | Liquid | mg/m3 | A | P3 |
| TDI | CH3C6H3(NCO)2 | 584-84-9 | Liquid | ppm | A2B2 | P3 |
| TEA | (C2H5)3N | 121-44-8 | Liquid | ppm | ABEK ou K | |
| Tedp | [(CH3CH2O)2PS]2O | 3689-24-5 | Liquid | mg/m3 | ABE | P3 |
| Tellurium & compounds | Te | 13494-80-9 | Solid | mg/m3 | P2/P3 | |
| Tellurium fluoride | TeF6 | 7783-80-4 | Gaz | ppm | ||
| Tellurium hexafluoride (as te) | TeF6 | 7783-80-4 | Gaz | ppm | ||
| Tepp (iso) | [(CH3CH2O)2PO]2O | 107-49-3 | Liquid | mg/m3 | A | P3 |
| Terphenyls (all isomers) | C6H5C6H4C6H5 | 84-15-1 | Solid | ppm | P3 | |
| Tert-butyl acetate | CH3COOC(CH3)3 | 540-88-5 | Liquid | ppm | A | |
| Tert-Butyl ester of acetic acid | CH3COOC(CH3)3 | 540-88-5 | Liquid | ppm | A | |
| Tetrachloroethylene | Cl2C=CCl2 | 127-18-4 | Liquid | ppm | A | |
| Tetraethyl pyrophosphate | [(CH3CH2O)2PO]2O | 107-49-3 | Liquid | mg/m3 | A | P3 |
| Tetraethyl silicate | (C2H5)4SiO4 | 78-10-4 | Liquid | ppm | A | |
| Tetrafluorosulfurane | SF4 | 7783-60-0 | Gaz | ppm | ||
| Tetrahydro-1,4-oxazine | C4H9ON | 110-91-8 | Liquid | ppm | A | |
| Tetrahydrofuran | C4H8O | 109-99-9 | Liquid | ppm | A | |
| Tetramethyl silicate | (CH3O)4Si | 681-84-5 | Liquid | ppm | A | |
| Tetramethyl succinodinitrile | (CH3)2C(CN)C(CN)(CH3)2 | 3333-52-6 | Solid | ppm | A | P3 |
| Tetramethylolmethane | C(CH2OH)4 | 115-77-5 | Solid | mg/m3 | A | P3 |
| Tetramethylolmethane | C(CH2OH)4 | 115-77-5 | Solid | mg/m3 | A | P3 |
| Tetramethylthiuram disulfide | C6H12N2S4 | 137-26-8 | Solid | mg/m3 | A | P |
| Tetrasodium diphosphate | Na4P2O7 | 7722-88-5 | Solid | mg/m3 | P3 | |
| Tetron® | [(CH3CH2O)2PO]2O | 107-49-3 | Liquid | mg/m3 | A | P3 |
| Thallium, soluble compounds (as tl) | Tl | 7440-28-0 | soft solid | mg/m3 | P3 | |
| THF | C4H8O | 109-99-9 | Liquid | ppm | A | |
| Thimet; timet | (C2H5O)2P(S)SCH2SC2H5 | 298-02-2 | Liquid | mg/m3 | A | P3 |
| Thiodan® | C9H6Cl6O3S | 115-29-7 | Solid | mg/m3 | A | P3 |
| Thiodemeton | C8H19O2PS3 | 298-04-4 | Liquid | mg/m3 | ABE | P3 |
| Thiophenol | C6H5SH | 108-98-5 | Liquid | ppm | A | |
| Thiram (iso) | C6H12N2S4 | 137-26-8 | Solid | mg/m3 | A | P |
| Tin compounds, inorganic, except snh4 (as sn) | Sn | 7440-31-5 | Solid | mg/m3 | P3 | |
| Titanium dioxide (resp. Dust) | TiO2 | 13463-67-7 | Solid | mg/m3 | P3 | |
| Titanium oxide | TiO2 | 13463-67-7 | Solid | mg/m3 | P3 | |
| Titanium peroxide | TiO2 | 13463-67-7 | Solid | mg/m3 | P3 | |
| TMA | (CH3)3N | 75-50-3 | Gaz | ppm | K |
| TNT | CH3C6H2(NO2)3 | 118-96-7 | Solid | mg/m3 | A | P3 |
| TOCP | (CH3C6H40)3PO | 78-30-8 | Liquid | mg/m3 | A | P3 |
| TOCP | (CH3C6H40)3PO | 78-30-8 | Liquid | mg/m3 | A | P3 |
| Toluene | C6H5CH3 | 108-88-3 | Liquid | ppm | A | |
| Toluene diisocyanate | CH3C6H3(NCO)2 | 584-84-9 | Liquid | ppm | A2B2 | P3 |
| Tordon® | C6H3Cl3O2N2 | 1918/2/1 | Solid | mg/m3 | AB | P3 |
| TPP | (C6H5O)3PO | 115-86-6 | Solid | mg/m3 | A | P3 |
| Trans-Acetylene dichloride | ClCH=CHCl | 540-59-0 | Liquid | ppm | AX | |
| Tremolite, Tremolite asbestos | Hydrated mineral silicates | 1332-21-4 | Fiber | fibres/ml | P3 | |
| Tri- O- Cresyl Phosphate | (CH3C6H40)3PO | 78-30-8 | Liquid | mg/m3 | A | P3 |
| Tribromomethane | CHBr3 | 75-25-2 | Liquid | ppm | A | |
| Tributyl ester of phosphoric acid | (CH3[CH2]3O)3PO | 126-73-8 | Liquid | mg/m3 | A | P3 |
| Tricarbonyl( eta- cyclopentadienyl) manganese (as mn) | C5H5Mn(CO)3 | 12079-65-1 | Solid | mg/m3 | A | P3 |
| Trichloroethanoic acid | CCl3COOH | 76-03-9 | Solid | ppm | B | P3 |
| Trichlorohydrin | CH2ClCHClCH2Cl | 96-18-4 | Liquid | ppm | A | |
| Trichlorohydrin | CH2ClCHClCH2Cl | 96-18-4 | Liquid | ppm | A | |
| Trichloronitromethane | CCl3NO2 | 76-06-2 | Liquid | ppm | A | P3 |
| Tricyclohexyltin hydroxide | (C6H11)3SnOH | 13121-70-5 | Solid | mg/m3 | A | P3 |
| Tridymite, respirable dust | SiO2 | 14808-60-7 | Solid | mg/m3 | P3 | |
| Triethylamine | (C2H5)3N | 121-44-8 | Liquid | ppm | ABEK ou K | |
| Triglycidyl isocyanurate (tgic) | C12 H15 N3 O6 | 2451-62-9 | Solid | mg/m3 | AB | P3 |
| Triiodomethane | CHI3 | 75-47-8 | Solid | ppm | A | |
| Trilene | ClCH=CCl2 | 79-01-6 | Liquid | ppm | A | |
| Trimanganese tetraoxide | Mn3O4 | 1317-35-7 | Solid | mg/m3 | P3 | |
| Trimethyl carbinol | (CH3)3COH | 75-65-0 | Liquid | ppm | A | |
| Trinitrotoluene | CH3C6H2(NO2)3 | 118-96-7 | Solid | mg/m3 | A | P3 |
| Trinitrotoluol | CH3C6H2(NO2)3 | 118-96-7 | Solid | mg/m3 | A | P3 |
| Triphenyl ester of phosphoric acid | (C6H5O)3PO | 115-86-6 | Solid | mg/m3 | A | P3 |
| Tripoli | SiO2 | 14808-60-7 | Solid | mg/m3 | P3 | |
| Tris(Dimethyldithiocarbamato)iron | [(CH3)2NCS2]3Fe | 14484-64-1 | Solid | mg/m3 | P3 | |
| TTE | CCl2FCClF2 | 76-13-1 | Liquid | ppm | ||
| Tungsten & compounds (as w) (soluble) | W | 7440-33-7 | Solid | mg/m3 | P3 | |
| Unsym-trichlorobenzene | C6H3Cl3 | 120-82-1 | Liquid | ppm | A | P3 |
| Uranium compounds, natural, soluble (as u) | U | 7440-61-1 | Solid | mg/m3 | P3 | |
| Vac | CH2=CHOOCCH3 | 108-05-4 | Liquid | ppm | A | |
| Vanadic anhydride fume | V2O5 | 1314-62-1 | Solid | mg/m3 | P3 | |
| Vanadic anhydride fume | V2O5 | 1314-62-1 | Solid | mg/m3 | P3 | |
| VDC | CH2=CCl | 75-35-4 | Liquid | ppm | AX | P3 |
| Vinyl carbinol | CH2=CHCH2OH | 107-18-6 | Liquid | ppm | A | |
| Warf | C19H16O4 | 81-81-2 | Solid | mg/m3 | P2/P3 | |
| Warfarin (iso) | C19H16O4 | 81-81-2 | Solid | mg/m3 | P2/P3 | |
| White spirit | n/ a | 8052-41-3 | Liquid | mg/m3 | A | |
| White spirit | n/ a | 8052-41-3 | Liquid | mg/m3 | A | |
| Xylene (all isomers) | C8H10 | 1330-20-7 | Liquid | ppm | AK | |
| Xylene (all isomers) | C8H10 | 1330-20-7 | Liquid | ppm | A | |
| Xylidine | C6H5N(CH3)2 | 121-69-7 | Liquid | ppm | A | P3 |
| Y- BHC (iso) | C6H6Cl6 | 58-89-9 | Solid | mg/m3 | B | P3 |
| Y- BHC (iso) | C6H6Cl6 | 58-89-9 | Solid | mg/m3 | B | P3 |
| Yttrium | Y | 7440-65-5 | Solid | mg/m3 | P3 | |
| Zinc chloride, fume | ZnCI2 | 7646-85-7 | Solid | mg/m3 | P3 | |
| Zinc dichloride fume | ZnCI2 | 7646-85-7 | Solid | mg/m3 | P3 | |
| Zinc dichloride fume | ZnCl2 | 7646-85-7 | Solid | mg/m3 | P3 | |
| Zinc distearate (resp. Dust) | Zn(C18H35O2)2 | 557-05-1 | Solid | mg/m3 | P3 |
| Zinc oxide fume | ZnO | 1314-13-2 | Solid | mg/m3 | P3 | |
| Zirconium compounds (as zr) | Zr | 7440-67-7 | Solid | mg/m3 | P2/P3 | |
| CH2(C6H4CINH2)2 | 101-14-4 | Solid | mg/m3 | A | P3 |
When no protection is recommended, use Air Adduction