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JICOSH Home > Laws > Ordinance on Prevention of Hazards Due to Dust

Ordinance on Prevention of Hazards Due to Dust

Ministry of Labour Ordinance No.18 of April 25, 1979
Latest Amendments:
Ministry of Labour Ordinance No. 41 of October 31, 2000

In Japanese


Attached Table 1 (Refer to Article 2)

1.  Work at an operation site involving excavation of minerals, etc. (except wet soil and sand). The work listed below is excluded.

a)  Work at an operation site, out of a pit, involving boring by the wet method of minerals, etc.

b)  Work at an operations site, in the open air, involving excavation of minerals, etc., without employing motive power or blast.

2.  Work at an operations site involving unloading of minerals, etc. (except wet ones) by tipping or tipping over the rack of a truck loaded with minerals, etc. (except wet ones)  (except work listed in item 3, 9 or 18).

3.  Work at an operations site involving cutting, crushing, screening, loading or unloading of minerals, etc., in a pit. Work listed below is excluded.

a) Work at an operations site involving loading or unloading of wet minerals, etc.

b) Work at an operations site involving cutting, crushing or screening in water.

4.  Work on the conveying of minerals, etc.(except wet ones) in a pit. Work on the driving of a traction engine of trucks loaded with minerals, etc. is excluded.

5.  Work at an operations site involving filling up of excavations with mineral, etc. (except wet ones) or sprinkling dust in a pit.

5-2.  Work of removing, evacuating, checking or repairing machines or electric equipment attached or accumulated with dust in a pit close to the places as provided for in item 1 to 3 and the preceding item.

6.  Work at an operations site involving cutting, chiseling or finishing of rocks or minerals (except work listed in item 13), excluding work at an operations site involving cutting or finishing with flames.

7.  Work at an operations site involving grinding by spraying abrasives or work at an operations site involving grinding or deflashing of rocks, minerals or metals, or cutting of metal by motive power with abrasives (except work listed in the preceding item).

8.  Work at an operations site involving cutting, crushing or screening of minerals, etc., carbonic raw material, or aluminum foil, by motive power (except work listed in item 3, 15 or 19), excluding  work at an operations site involving cutting, crushing or screening by motive power in the water or oil

9.  Work at an operations site involving drying, packing into bags, loading or unloading of cement, fly-ash, or pulverized ore, carbonic raw materials or carbonic products (except work listed in item 3, 16 or 18).

10. Work at an operations site involving packing of pulverized aluminum or titanium oxide into bags.

11.  Work at an operations site involving mixing, adding or sprinkling of pulverized ore, carbonic raw materials or any other material containing them in the process of manufacturing or processing products for which pulverized ore or carbonic raw material is used as raw material or material (except work listed in items 12 to 14).

12.  Work at an operations site involving mixing raw material, or supplying a melting furnace with raw material or mixture, in the process of manufacturing glass or enamel. Work at an operations site involving mixing raw materials in water is excluded.

13.  Work at an operations site involving mixing or shaping raw materials, drying raw materials or unfinished products, loading carts with unfinished products or unloading from the carts, finishing or packing unfinished or manufactured products, or work of entering into a kiln, in the process of manufacturing ceramic ware, refractory materials, diatomaceous earthenware or abrasives. Work listed below is excluded:

a) Work at an operations site involving pouring and shaping raw materials, finishing unfinished products before being placed into the kiln, or packing manufactured products, in the process of manufacturing ceramic ware;

b) Work at an operations site involving mixing raw materials in water.

14.  Work at an operations site involving mixing or shaping carbonic raw materials, placing unfinished products into kilns, removing unfinished or manufactured products from kilns or finishing those products, in the process of manufacturing carbonic products. Work at an operations site involving mixing raw materials in water is excluded.

15.  Work at an operations site involving breaking of sand-molds, cleaning of castings, reclaiming of sand, tempering of sand or scraping off of flashes (except work listed in item 7) in the process of manufacturing castings with sand-molds. Work at an operations site involving reuse of sand in the water is excluded.

16.  Work of scraping off minerals, etc. (except wet ones) or scratching them off in the hatch of a ship which carries minerals, etc. (except wet ones).

17.  Work at an operations site involving supplying a blast furnace with soil, sand, ores or minerals, reducing of them, steaming or casting in, in the process of smelting or melting metals or other inorganic material. Work at an operations site involving steaming out of a converter or casting in a metal mold is excluded.

18.  Work at an operations site involving scraping off, scratching up, loading or unloading or putting into vessels slag or ash adhering to or accumulating inside a furnace, flue, chimney, etc., or in the process of the combustion of pulverised ores or in the process of smelting or melting metals or other inorganic material.

19.  Work of building or repairing of kilns, furnaces, etc., with refractory materials, or of dismantling or destroying kilns, furnaces, etc., built with refractory materials.

20.  Work of cutting metals by means of melting, arc welding of metals or gouging metals with an arc indoors, in a pit or inside of the tank, vessel, pipes or vehicles, etc. Work of cutting automatically by means of melting, or of automatic welding indoors is excluded.

21.  Work at a site of metal spraying operations.

22.  Work at a site of operation involving warehousing of rushes covered with soil for dyeing, taking it out from the warehouse, selecting or regulating it, or weaving with it.

23.  Work at an operations site involving unloading of ballast from hopper cars, or tamping of soil of a road with a multiple-tamper, in a long and large tunnel (meaning the one stipulated in item 23 of the Attached Table of the Enforcement Ordinance of the Pneumoconiosis Law (Ministry of Labour Ordinance No. 6 of 1960); also applicable to the case in item 17 of Attached Table 3).



INDEX
I / II / III / IV / V / VI
Supplementary Provisions
Table1 / Table2 / Table3

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