| Kinds of substances |
Administrative Control Level |
1. Dust of sand and stones, rocks,
ores(minerals), metallic materials or carbon
|
 |
| 2. Acrylamide |
0.3 mg/m3 |
| 3. Acrylonitrile |
2 ppm |
4. Alkyl mercury compounds (restricted to
the substances in which alkyl radicals are
methyl or ethyl radicals) |
0.01 mg/m3 as mercury |
| 5. Asbestos (except amosite and crocidlite) |
2 F/cm3 as fibers longer than 5 μm |
| 6. Ethylenimine |
0.5 ppm |
| 6-2. Ethylene oxide |
1 ppm |
| 7. Vinyl chloride |
2 ppm |
| 8. Chlorine |
0.5 ppm |
| 9. Chlorodiphenyl (otherwise known as PCB) |
0.1 mg/m3 |
| 10. Cadmium and its compounds |
0.05 mg/m3 as cadmium |
| 11. Chromic acid and its salts |
0.05 mg/m3 as chromium |
| 12. Vanadium pentoxide |
0.03 mg/m3 as vanadium |
| 13. Coaltar |
0.2 mg/m3 as benzene solublity |
| 14. Potassium cyanide |
5 mg/m3 as cyanogen |
| 15. Hydrogen cyanide |
5 ppm |
| 16. Sodium cyanide |
5 mg/m3 as cyanogen |
| 17. 3,3' -Dichloro-4,4' -diamino diphenyl methane |
0.005 mg/m3 |
| 18. Methyl bromide |
5 ppm |
| 19. Dichromic acid and its salts |
0.05 mg/m3 as chromates |
| 20. Mercury and its inorganic compounds (excluding mercury sulfide) |
0.05 mg/m3 as mercury |
| 21.Tolylene diisocyanate |
0.005 ppm |
| 22. Nickel carbonyl |
0.001 ppm |
| 23. Nitroglycol |
0.05 ppm |
| 24. p-nitro chlorobenzene |
1 mg/m3 |
| 25. Hydrogen fluoride |
3 ppm |
| 26. β-Propio lactone |
0.5 ppm |
| 27. Beryllium and its compounds |
0.002 mg/m3 as beryllium |
| 28. Benzene |
10 ppm |
| 29. Pentachlorophenol (otherwise known as PCP) and its sodium salts |
0.5 mg/m3 as penta chlorophenol |
| 30. Manganese and its compounds (excluding basic manganese oxide) |
1 mg/m3 as manganese |
| 31. Methyl iodide |
2 ppm |
| 32. Hydrogen sulfide |
10 ppm |
| 33. Dimethyl sulfate |
0.1 ppm |
| 34. Lead and its compounds |
0.1 mg/m3 as lead |
| 35. Acetone |
750 ppm |
| 36. Isobutyl alcohol |
50 ppm |
| 37. Isopropyl alcohol |
400 ppm |
| 38. Isopentyl alcohol (otherwise known as isoamyl alcohol) |
100 ppm |
| 39. Ethyl ether |
400 ppm |
| 40. Ethyleneglycol monoethyl ether (otherwise known as cellosolve) |
5 ppm |
| 41. Ethyleneglycol monoethyl ether acetate (otherwise known as cellosolve
acetate) |
5 ppm |
| 42. Ethyleneglycol mono-n-butyl ether (otherwise known as butyl cellosolve) |
25 ppm |
| 43. Ethyleneglycol monomethyl ether (otherwise known as methyl cellosolve)) |
5 ppm |
| 44. o-Dichlorobenzene |
25 ppm |
45. Xylene
|
100 ppm |
| 46. Cresol |
5 ppm |
| 47. Chlorobenzene |
10 ppm |
| 48. Chloroform |
10 ppm |
| 49. Isobutyl acetate |
150 ppm |
| 50. Isopropyl acetate |
250 ppm |
| 51. Isopentyl acetate (otherwise known as isoamyl acetate) |
100 ppm |
| 52. Ethyl acetate |
400 ppm |
| 53. n-Butyl acetate |
150 ppm |
| 54. n-Propyl acetate |
200 ppm |
| 55. n-Pentyl acetate (otherwise known as n-amyl acetate) |
100 ppm |
| 56. Methyl acetate |
200 ppm |
| 57. Carbon tetrachloride |
5 ppm |
| 58. Cyclohexanol |
25 ppm |
| 59. Cyclohexanone |
25 ppm |
| 60. 1,4-Dioxane |
10 ppm |
| 61. 1,2-Dichloroethane (otherwise known as ethylene dichloride) |
10 ppm |
| 62. 1,2-Dichloroethylene (otherwise known as acetylene dichloride) |
150 ppm |
| 63. Dichloromethane (otherwise known as methylene dichloride) |
100 ppm |
| 64. N,N-Dimethylformamide |
10 ppm |
| 65. Styrene |
50 ppm |
| 66. 1,1,2,2-Tetrachloroethane (otherwise known as tetrachloroacetylene) |
1 ppm |
| 67. Tetrachloroethylene (otherwise known as perchloroethylene) |
50 ppm |
| 68. Tetrahydrofuran |
200 ppm |
| 69. 1,1,1-Trichloroethane |
200 ppm |
| 70. Trichloroethylene |
50 ppm |
| 71. Toluene |
50 ppm |
| 72. Carbon disulfide |
10 ppm |
| 73. n-Hexane |
50 ppm |
| 74. 1-Butanol |
25 ppm |
| 75. 2-Butanol |
100 ppm |
| 76. Methanol |
200 ppm |
| 77. Methyl isobutyl ketone |
50 ppm |
| 78. Methyl ethyl ketone |
200 ppm |
| 79. Methyl cyclohexanol |
50 ppm |
| 80. Methyl cyclohexanone |
50 ppm |
| 81.Methyl n-butyl ketone |
5 ppm |
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