| 序号 | 毒物名称CAS No. | 别名 | 英文名称 | MAC (mg/m3) | PC-TWA (mg/m3) | PC-STEL (mg/m3) |
| 1 | N-甲基苯胺 100-61-8 | N-Methyl aniline | — | 2 | 5 | |
| 2 | N-异丙基苯胺 768-52-5 | N-Isopropylaniline | — | 10 | 25 | |
| 3 | 氨 76-41-7 | 阿摩尼亚 | Ammonia | — | 20 | 30 |
| 4 | 苯 71-43-2 | Benzene | — | 6 | 10 | |
| 5 | 苯胺 62-53-3 | Aniline | — | 3 | 7.5 | |
| 6 | 丙烯酰胺 79-06-1 | Acrylamide | — | 0.3 | 0.9 | |
| 7 | 丙烯腈 107-13-1 | Acrylonitrile | — | 1 | 2 | |
| 8 | 对硝基苯胺 100-01-6 | p-Nitroaniline | — | 3 | 7.5 | |
| 9 | 对硝基氯苯/二硝基氯苯 100-00-5/25567-67-3 | p-Nitrochlorobenzene/ Dinitrochlorobenzene | — | 0.6 | 1.8 | |
| 10 | 二苯胺 122-39-4 | Diphenylamine | — | 10 | 25 | |
| 11 | 二甲基苯胺 121-69-7 | Dimethylanilne | — | 5 | 10 | |
| 12 | 二硫化碳 75-15-0 | Carbon disulfide | — | 5 | 10 | |
| 13 | 二氯代乙炔 7572-29-4 | Dichloroacetylene | 0.4 | — | — | |
| 14 | 二硝基苯(全部异构体) 582-29-0/ 99-65-0/100-25-4 | Dinitrobenzene(all isomers) | — | 1 | 2.5 | |
| 15 | 二硝基（甲）苯 25321-14-6 | Dinitrotoluene | — | 0.2 | 0.6 | |
| 16 | 二氧化（一）氮 10102-44-0 | Nitrogen dioxide | — | 5 | 10 | |
| 17 | 甲苯-2,4-二异氰酸酯(TDI) 584-84-9 | Toluene-2,4-diisocyanate(TDI) | — | 0.1 | 0.2 | |
| 18 | 氟化氢 76-39-3 | 氢氟酸 | Hydrogen fluoride | 2 | — | — |
| 19 | 氟及其化合物(不含氟化氢) | Fluorides(except HF), as F | — | 2 | 5 | |
| 20 | 镉及其化合物 7440-43-9 | Cadmium and compounds | — | 0.01 | 0.02 | |
| 21 | 铬及其化合物 305-03-3 | Chromic and compounds | 0.05 | 0.15 | — | |
| 22 | 汞 7439-97-6 | 水银 | Mercury | — | 0.02 | 0.04 |
| 23 | 碳酰氯 75-44-5 | 光气 | Phosgene | — | 0.5 | |
| 24 | 黄磷 7723-14-0 | Yellow phosphorus | — | 0.05 | 0.1 | |
| 25 | 甲（基）肼 60-34-4 | Methyl hydrazine | 0.08 | — | — | |
| 26 | 甲醛 50-00-0 | Formaldehyde | 0.5 | — | — | |
| 27 | 焦炉逸散物 | Coke oven emissions | — | 0.1 | 0.3 | |
| 28 | 肼；联氨302-01-2 | Hydrazine | — | 0.06 | 0.13 | |
| 29 | 可溶性镍化物 7440-02-0 | Nickel soluble compounds | — | 0.5 | 1.5 | |
| 30 | 磷化氢；膦 7803-51-2 | Phosphine | 0.3 | — | — | |
| 31 | 硫化氢 7783-06-4 | Hydrogen sulfide | 10 | — | — | |
| 32 | 硫酸二甲酯 77-78-1 | Dimethyl sulfate | — | 0.5 | 1.5 | |
| 33 | 氯化汞 7487-94-7 | 升汞 | Mercuric chloride | — | 0.025 | 0.025 |
| 34 | 氯化萘 90-13-1 | Chlorinated naphthalene | — | 0.5 | 1.5 | |
| 35 | 氯甲基醚 107-30-2 | Chloromethyl methyl ether | 0.005 | — | — | |
| 36 | 氯；氯气 7782-50-5 | Chlorine | 1 | — | — | |
| 37 | 氯乙烯；乙烯基氯 75-01-4 | Vinyl chloride | — | 10 | 25 | |
| 38 | 锰化合物(锰尘、锰烟) 7439-96-5 | Manganese and compounds | — | 0.15 | 0.45 | |
| 39 | 镍与难溶性镍化物 7440-02-0 | Nichel and insoluble compounds | — | 1 | 2.5 | |
| 40 | 铍及其化合物 7440-41-7 | Beryllium and compounds | — | 0.0005 | 0.001 | |
| 41 | 偏二甲基肼 57-14-7 | Unsymmetric dimethylhydrazine | — | 0.5 | 1.5 | |
| 42 | 铅：尘 / 烟 7439-92-1/7439-92-1 | Lead dust | 0.05 | — | — | |
| Lead fume | 0.03 | — | — | |||
| 43 | 氰化氢（按CN计） 460-19-5 | Hydrogen cyanide,as CN | 1 | — | — | |
| 44 | 氰化物（按CN计） 143-33-9 | Cyanides,as CN | 1 | — | — | |
| 45 | 三硝基甲苯 118-96-7 | TNT | Trinitrotoluene | — | 0.2 | 0.5 |
| 46 | 砷化（三）氢；胂 7784-42-1 | Arsine | 0.03 | — | — | |
| 47 | 砷及其无机化合物 7440-38-2 | Arenic and inorganic compounds | — | 0.01 | 0.02 | |
| 48 | 石棉总尘/纤维 1332-21-4 | Asbestos | — | 0.8 0.8f/ml | 1.5 1.5f/ml | |
| 49 | 铊及其可溶化合物 | Thallium and soluble compounds | — | 0.05 | 0.1 | |
| 50 | （四）羰基镍 13463-39-3 | Nickel carbonyl | 0.002 | — | — | |
| 51 | 锑及其化合物 7440-36-0 | Antimony and compounds | — | 0.5 | 1.5 | |
| 52 | 五氧化二钒烟尘 7440-62-6 | Vanadium pentoside fume and dust | — | 0.05 | 0.15 | |
| 53 | 硝基苯 98-95-3 | Nitrobenzene (skin) | — | 2 | 5 | |
| 54 | 一氧化碳（非高原） 630-08-0 | Carbon monoxide not in high altitude area | — | 20 | 30 | |
| 备注： CAS为化学文摘号。 MAC为工作场所空气中有毒物质最高容许浓度。 PC-TWA为工作场所空气中有毒物质时间加权平均容许浓度。 PC-STEL为工作场所空气中有毒物质短时间接触容许浓度。 | ||||||
