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Ordinance on Industrial Safety and Health
Ministry of Labour Ordinance No. 32 of September 30, 1972

Latest Amendments:
Ministry of Health, Labour and Welfare Ordinance No. 47 of March 30, 2007
In Japanese

Update : 2008.03.28

Appended Table 2 (Related to Article30)
Substances Content(Weight Percent)
Acrylamide less than 0.1%
Acrylonitrile less than1%
Acetone less than1%
Alkyl mercury compounds (limited to the substances in which the alkyl radicals are methyl or ethyl radicals) less than1%
Isobutyl alcohol less than1%
Isopropyl alcohol less than1%
Isopentyl alcohol (alias isoamyl alcohol) less than1%
Ethylamine less than1%
Ethyl ether less than1%
Ethyleneimine less than0.1%
Ethylene oxide less than0.1%
Ethyleneglycol monoethyl ether (alias cellosolve) less than0.3%
Ethyleneglycol monoethyl ether acetate (alias cellosolve acetate) less than0.3%
Ethyleneglycol mono-n-buthyl ether (alias buthylcellosolve) less than1%
Ethyleneglycol monomethyl ether (alias methylcellosolve) less than0.3%
Vinyl chloride less than0.1%
Auramine less than1%
O-Dichlorobenzene less than1%
O-Phthalodinitrile less than1%
Hydrogen peroxide less than1%
Cadmium compounds less than0.1%
Xylene less than0.3%
Cresol less than1%
Chromic acid and its salts less than0.1%
Chlorobenzene less than1%
Chloroform less than1%
Chloromethylmethylether less than0.1%
Vanadium pentoxide less than0.1%
Coal tar less than0.1%
Isobutyl acetate less than1%
Isopropyl acetate less than1%
Isopentyl acetate (alias isoamyl acetate) less than1%
Ethyl acetate less than1%
n-Butyl acetate less than1%
n-Propyl acetate less than1%
n-Pentyl acetate (alias n-amyl acetate); less than1%
Methyl acetate less than1%
Arsenic trioxide less than0.1%
Calcium hypochlorite less than1%
Tetraalkyl lead -
Potassium cyanide less than1%
Sodium cyanide less than1%
Carbon tetrachloride less than1%
1.4-Dioxyn less than1%
Cyclohexanol less than1%
Cyclohexanone less than1%
1.2-Dichloroethane (alias Ethylene dichloride) less than1%
1.2-Dichloroethylene(alias Acetylene dichloride) less than1%
Dichloromethane (alias methylene dichloride) less than1%
3.3’-Dichloro-4.4'-Diaminodiphenyl methane less than0/1%
N.N-Dimethylformamide less than0.3%
Methyl bromide less than1%
Dichromic acid less than0.1%
Ammonium nitrate -
Mercury and its inorganic compounds (excluding mercury sulfide) less than0.3%
Styrene. less than0.3% (alias acethylene tetrachloride) less than1%
Tetrachloroethylene (alias perchloroethylene); less than0.1%
Tetrahydrofuran less than1%
1.1.1-Trichloroethane less than1%
Trichloroethylene less than0.1%
Tolylenediisocyanate less than1%
Toluene less than0.3%
Lead compounds (limited to lead oxide, lead hydroxide, and other substances designated by the Minister of Health, Labour and Welfare) less than0.1%
Nickel carbonyl less than0.1%
Nitroglycerine -
Nitrocellulose -
Carbon disulfide less than0.3%
n-Hexane less than1%
p-Dimethylaminoazobenzene; less than1%
p-Nitrochlorobenzene; less than1%
picric acid -
Phenol less than0.1%
1,3-Butadiene less than0.1%
1-Butanol less than1%
2-Butanol; less than1%
Hydrogen fluoride less than1%
β-Propiolactone less than0.1%
Benzene less than0.1%
Pentachlorophenol (alias PCP) and its sodium salts less than0.3%
Formaldehyde less than0.1%
Magenta less than0.1%
Methanol less than0.3%
Methyl isobutyl ketone less than1%
Methyl ethyl ketone less than1%
Methylcyclohexanol less than1%
Methylcyclohexanone less than1%
Methyl n-butyl ketone less than1%
Methyl iodide less than1%
Sodium hydrogensulfide less than1%
Sodium sulfide less than1%
Dimethylsulfate less than0.1%


Substances Excluded from Dangerous and Harmful Substances Subject to Indicate Their Names, etc.

  • (i) Of the preparations and other substances containing tetraalkyl lead, etc., lead additive gasoline.
  • (ii) Of the preparations and other substances containing nitroglycerin, those desensitized with desensitizing agent having nonvolatility of 98% or more, and containing nitroglycerin of less than 0.1%.