Ordinance on Prevention of Hazards Due to Specified Chemical Substances
Ministry of Labour Ordinance No. 39 of September 30, 1972
Attached Table 5 (related to Article 39)
Notice on Performance, as Provided by the Minister of Labour on the Basis of item (5) of Article 7 and f) of item (7) in paragraph 1 of Article 50 of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances, etc.Ministry of Labour Notice No. 75 (September 30, 1975) Revised into Notice 26, March 25, 1976.The performance standards given below are established by the Minister of Labour in relation to item (5) of Article 7 (inclusive of the cases in which paragraph 2 of Article 38-12 is applicable to the said item) and to f) of item (7) in paragraph 1 of Article 50 (inclusive of the cases in which paragraph 2 of Article 50-2 is applicable to this item) of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances.(1)In terms of local exhaust ventilation systems installed in workshops therefrom to disperse gases, vapour, or dust resulting from the substances listed in (3) or (6) of item 1, or the substances as described in (8) of the same item which are related to (3) or (6) of the same item, or the substances listed in (1) to (7) inclusive, (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27), (28), (30), (31) or (33) to (36) inclusive of item 2 of Attached Table 3 of the Enforcement Order of the Industrial Safety and Health Law, or the substances listed in item (1) to (7) inclusive, (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27) (28), (30), (31) or (33) to (36) inclusive of Attached Table 1 of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances, the concentrations of substances, as described in (3) or (6) of item 1 of Attached Table 3 of the Enforcement Order of the Industrial Safety and Health Law or the substances listed in (1) to (7), (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27), (28), (30), (31) or (33) to (36) inclusive of item 2 of Attached Table 3 of the said Enforcement Order outside the hoods of local exhaust ventilation systems shall be not more than the values as established in the right column of the Table as given below corresponding to the types of the substances listed in the left column of the same Table.
- Chemicals and other substances containing asbestos (exclusive of amosite and crocidolite, the same shall apply below in this item), provided that this does not apply in respect to substances which contain asbestos of 1% or less by weight.
- Chemicals and other substances containing ethyleneimine, provided that this does not apply in respect to substances which contain ethyleneimine of 5% or less by weight.
- Chemicals and other substances containingvinyl chloride, provided that this does not apply in respect to substances which contain vinyl chloride of 1% or less by weight.
- Chemicals and other substances containing auramine, provided that this does not apply in respect to substances which contain auramine of 1% or less by weight.
- Chemicals and other substances containing chromic acid or its salts, provided that this does not apply in respect to substances which contain chromic acid or its salts of 1% or less by weight.
- Chemicals and other substances containing chloromethylmethylether, provided that this does not apply in respect to substances which contain chloromethylmethylether of 1% or less weight.
- Chemicals and other substances containing coal tar, provided that this does not apply in respect to substances which contain coal tar of 5% or less by weight.
- Chemicals and other substances containing arsenic trioxide, provided that this does not apply in respect to substances which contain arsenic trioxide of 1% or less weight.
- Chemicals and other substances containing 3.3'-dichloro-4.4'-diaminodiphenylmethane, provided that this does not apply in respect to substances which contain 3-3'-dichloro-4-4'-diaminodiphenylmethane of 1% or less by weight.
- Chemicals and other substances containing dichromic acid or its salts, provided that this does not apply in respect to substances which contain dichromic acid or its salts of 1% or less by weight.
- Chemicals and other substances containing nickel carbonyl, provided that this does not apply in respect to substances which contain nickel carbonyl of 1% or less by weight.
- Chemicals and other substances containing P-dimethylaminoazobenzene, provided that this does not apply in respect to substances which contain P-dimethylaminoazobenzene of 1% or less by weight.
- Chemicals and other substances containing ?A-propiolactone, provided that this does not apply in respect to substances which contain ?A-propiolactone of 1% or less by weight.
- Chemicals and other substances containing benzene, provided that this does not apply in respect to substances which contain benzene of 1% or less by weight.
- Chemicals and other substances containingmagenta, provided that this does not apply in respect to substances which contain magenta of 1% or less by weight.
Notice on Performance, as Provided by the Minister of Labour on the Basis of item (5) of Article 7 and f) of item (7) in paragraph 1 of Article 50 of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances, etc.Ministry of Labour Notice No. 75 (September 30, 1975) Revised into Notice 26, March 25, 1976.The performance standards given below are established by the Minister of Labour in relation to item (5) of Article 7 (inclusive of the cases in which paragraph 2 of Article 38-12 is applicable to the said item) and to f) of item (7) in paragraph 1 of Article 50 (inclusive of the cases in which paragraph 2 of Article 50-2 is applicable to this item) of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances.(1)In terms of local exhaust ventilation systems installed in workshops therefrom to disperse gases, vapour, or dust resulting from the substances listed in (3) or (6) of item 1, or the substances as described in (8) of the same item which are related to (3) or (6) of the same item, or the substances listed in (1) to (7) inclusive, (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27), (28), (30), (31) or (33) to (36) inclusive of item 2 of Attached Table 3 of the Enforcement Order of the Industrial Safety and Health Law, or the substances listed in item (1) to (7) inclusive, (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27) (28), (30), (31) or (33) to (36) inclusive of Attached Table 1 of the Ordinance on Prevention of Hazards Due to Specified Chemical Substances, the concentrations of substances, as described in (3) or (6) of item 1 of Attached Table 3 of the Enforcement Order of the Industrial Safety and Health Law or the substances listed in (1) to (7), (9) to (11) inclusive, (13) to (18) inclusive, (20) to (25) inclusive, (27), (28), (30), (31) or (33) to (36) inclusive of item 2 of Attached Table 3 of the said Enforcement Order outside the hoods of local exhaust ventilation systems shall be not more than the values as established in the right column of the Table as given below corresponding to the types of the substances listed in the left column of the same Table.
| Types of substances | Values |
| Chlorinated biphenyl (otherwise known as PCB) | 0.5 mg. |
| Beryllium and its compounds | 0.002 mg. |
| Acrylamide | 0.3 mg. |
| Acrylonitrile | 45 mg. or 20 cm3 |
| Alkyl mercury compounds (restricted to the substances in which the alkyl radicals are methyl or ethyl radicals). | 0.01 mg. |
| Asbestos | 5 |
| Ethyleneimine | 1 mg. or 0.5 cm3 |
| Vinyl chloride | 2 cm3 |
| Chlorine | 3 mg. or 1 cm3 |
| O-Phthalodinitrile | 0.1 mg. |
| Cadmium and its compounds | 0.05 mg. |
| Chromic acid and its salts | 0.1 mg. |
| Vanadium pentoxide | In terms of substances in powder: 0.5 mg.,In terms of substances in gaseous form: 0.05 mg. |
| Coal tar | 0.2 mg. |
| Arsenic trioxide | 0.5 mg. |
| Potassium cyanate | 5 mg. |
| Hydrogen cyanate | 11 mg. or 10cm3 |
| Sodium cyanate | 5 mg. |
| Methyl bromide | 60 mg. or 15 cm3 |
| Dichromic acid and its salts | 0.1 mg. |
| Mercury and its inorganic compounds (exclusive of mercurysulfide) | 0.05 mg. |
| Trilenediisocyanate | 0.12 mg. or 0.02 cm3 |
| Nickel carbonylNitroglycol | 0.007 mg. or 0.001 cm31.2mg. or 0.2cm3 |
| P-Nitrochlorobenzene | 1 mg. |
| Hydrogen fluoride | 2 mg. or 3 cm3 |
| Benzene | 30 mg. or 10 cm3 |
| Pentachlorophenol (otherwise known as PCP) and its sodium salts | 0.5 mg. |
| Manganese and its compounds (exclusive of basic manganese oxides) | 5 mg. |
| Methyl iodide | 28 mg. or 5 cm3 |
| Hydrogen sulfide | 15 mg. or 10 cm3 |
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