Air & Transportation

Regulatory Measures against Air Pollutants Emitted from Factories and Business Sites and the Outline of Regulation - Emission Standards for Soot and Dust, and NOx

Latest amendment on Apr. 10, 1998

TypesSpecificationTypesSoot and dustNOx
ScaleGen#1Spe#2ScaleStd.
1.
Boiler.*1
Heating area*2:
10 m2or above.

Burner combustion
rate:
50 L/h*3 or above.

Gas boiler.*4 40,000m3 - 0.05g 0.03g 500,000m3 - 60ppm
- 500,000m3
40,000m3
100ppm
- 40,000m3 0.10g 0.05g - 40.000m3
10,000m3
130ppm
- 10,000m3 150ppm
Liquid boiler or gas and liquid boiler.*4 200,000m3 - 0.05g 0.04g 500,000m3 - 130ppm
- 200,000m3
40,000m3
0.15g 0.05g - 500,000m3
10,000m3
150ppm
- 40,000m3
10,000m3
0.25g 0.15g
- 10,000m3 0.30g 0.15g - 10,000m3 180ppm
Black liquir*5 boiler or black liquir and gas or liquid fuel boiler.*4 200,000m3-

0.15g 0.10g 500,000m3 - 130ppm
- 500,000m3
10,000m3

150ppm
- 200,000m3
40,000m3
0.25g 0.15g
- 40,000m3 0.30g 0.15g
- 10,000m3 180ppm
Liquid fuel boiler (heating area is less than 10 m2)*4 0.30g 0.15g 260ppm
Coal boiler.*4 200,000m3-

0.10g 0.05g 700,000m3 - 200ppm
- 700,000m3
40,000m3
250ppm
- 200,000m3
40,000m3'
0.20g 0.10g
- 40,000m3 0.30g 0.15g - 40,000m3 300ppm
Solid fuel boiler.*4 (others whose heating area is 10 m2 or above.) 40,000m3 - 0.30g 0.15g 700,000m3 - 200ppm
- 700,000m3
40,000m3
250ppm
- 40,000m3 0.30g 0.20g - 40,000m3 300ppm
Solid fuel boiler (heating area is less than 10 m2)*4 0.30g 0.20g 350ppm
Boilers.*4 (others.) 40,000m3 - 0.30g 0.15g 500,000m3 - 130ppm
- 500,000m3
10,000m3
150ppm
- 40,000m3 0.30g 0.20g
- 10,000m3 180ppm
2.
Gas generating furnace and heating furnace used for generating water gas or oil gas.
Raw materials (coal or cokes) consuming capacity:
20 t/day or above.


Burner combustion rate:
50 L/h*3 or above.

Gas generating furnace. 0.05g 0.03g 150ppm
Heating furnace. 0.10g 0.03g
3.
Roasting furnace, sintering furnace (including pellet baking furnace) and calcination furnace used for refining metals or for manufacturing inorganic chemical industrial products. (Item 14 is excluded.)
Raw materials treating capacity:
1 t/day or above.
Roasting furnace. 40,000m3 - 0.10g 0.05g 220ppm
- 40,000m3 0.15g 0.10g
Sintering furnace. (for making ferromanganese.) 0.20g 0.10g 220ppm
Sintering furnace. (others) 0.15g 0.10g
Calcining furnace. 40,000m3 - 0.20g 0.10g 200ppm
- 40,000m3 0.25g 0.15g
4.
Blast furnace (including reverberatory furnace for molten metal), converter and open-hearth furnace used for washed metals. (Item 14 is excluded.)
Raw materials treating capacity:
1 t/day or above.
Blast furnace. (Shaft furnace.) 0.05g 0.03g 100ppm
Blast furnace. (others.) 0.15g 0.09g
Converter. 0.10g 0.08g
Open-hearth furnace. 40,000m3 - 0.10g 0.05g
- 40,000m3 0.20g 0.10g
5.
Smelting furnace used for refining or casting metals.
(Koshiki type furnace, Item 14 and Items 24-26 are excluded.)
Grate area*6:
1 m2or above.

Cross sectional area of tuyere surface*7:
0.5 m2 or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

Smelting furnace. (excluding cupolas.) 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.20g 0.10g
Cupolas. 40,000m3 - 0.10g 0.05g -
- 40,000m3 0.20g 0.10g
6.
Heating furnace used for forging or rolling metals or for heat treatment of metals of metal products.
Grate area*6:
1 m2or above.

Cross sectional area of tuyere surface*7:
0.5 m2 or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

Radiant tube-type heating furnace. (emitting gas is 10.000m3-100,000m3 only.) 40,000m3 - 0.10g 0.08g 150ppm
- 40,000m3 0.20g 0.10g
Forgevelded steel pipe heating furnace. (emitting gas is 10,000m3-100,000m3 only.) 40,000m3 - 0.10g 0.08g 180ppm
- 40,000m3 0.20g 0.10g
Heating furnace. (others.) 40,000m3 - 0.10g 0.08g 100,000m3 - 100ppm
- 100,000m3
10,000m3
130ppm
- 40,000m3 0.20g 0.10g
- 10,000m3
5,000m3
150ppm
- 5,000m3 180ppm
7.
Heating furnace used for manufacturing petroleum products, petrochemical products or coal tar products.
Grate area*6:
1 m2or above.

Cross sectional area of tuyere surface*7:
0.5 m2 or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

40,000m3 - 0.10g 0.05g 40,000m3 - 100ppm
- 40,000m3 0.15g 0.08g -40,000m3
10,000m3
130ppm
- 10,000m3
5,000m3
150ppm
-5,000m3 180ppm
8.
Catalyzer regeneration tower of fluidized bed cracker used for refining petroleum.
Carbon combustion rate on catalyzer:
200 kg/h or above.
0.20g 0.15g 250ppm
8-2.
Catalyzer regeneration tower of covering equipment attached to petroleum gas treating facility.
Burner combustion rate:
6 L/h*3 or above.
0.10g 0.05g 250ppm
9.
Baking furnace and smelting furnace used for manufacturing ceramic products.
Grate area*6:
1 m2or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

Lime calcining furnace. (underground furnace.) 0.40g 0.20g 180ppm
Lime calcining furnace. (gas burning rotary kiln.) 0.30g 0.15g 250ppm
Lime calcining furnace. (others) 180ppm
Calcining furnace. (for cement.) 0.10g 0.05g 250ppm
350ppm
Calcining furnace. (for refractory bricks or its raw materials.) 40,000m3 - 0.10g 0.05g 400ppm
- 40,000m3 0.20g 0.10g
Calcining furnace. (others) 40,000m3 - 0.15g 0.08g 180ppm
- 40,000m3 0.25g 0.15g
Smelting furnace. (for plate glass or glass fiber products.) 40,000m3 - 0.10g 0.05g 360ppm
- 40,000m3 0.15g 0.08g
Smelting furnace. (for optical glass, electrical glass or fritting.) 40,000m3 - 0.10g 0.05g 800ppm
- 40,000m3 0.15g 0.08g
Smelting furnace. (for other glass products.) 40,000m3 - 0.10g 0.05g 450ppm
- 40,000m3 0.20g 0.10g
Smelting furnace. (others.) 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.20g 0.10g
10.
Reaction furnace used for inorganic chemical industrial products or foods (including combustion equipment used for manufacturing carbon black) and direct fire furnace. (Item 26 is excluded.)
Grate area*6:
1 m2or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

40,000m3 - 0.15g 0.08g 180ppm
- 40,000m3 0.20g 0.10g
TypesSpecificationTypesSoot and dustNox
ScaleGen#1Spe#2ScaleStd.
11.
Drying furnace.
(Item 14 and Item 23 are excluded.)
Grate area*6:
1 m2or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

Aggregate drying furnace. 0.50g 0.20g 230ppm
Drying furnace. (others.) 40,000m3 - 0.15g 0.08g
- 40,000m3 0.20g 0.10g
12.
Electric furnace used for pig-making or steel-making or for manufacturing alloy iron or carbide.
Transformer capacity:
1,000 kVA or above.
Electric furnace used for producing ferroalloy (40% or more silicon contents). 0.20g 0.10g -
Electric furnace used for producing ferroalloy or for producing carbide. 0.15g 0.08g
Electric furnace. (others.) 0.10g 0.05g
13.
Waste material incinerator.
Grate area*6:
2 m2or above.

Incineration rate:
200 kg/h or above.

Waste material continuous incinerator. (by vortex combustion method.) 4t 0.04g 450ppm
2 - 4t 0.08g
Peculiar waste continuous material*8 incinerator. 4t 0.04g 40,000m3 - 250ppm
2 - 4t 0.08g - 40,000m3 700ppm
Waste material continuous incinerator. (others.) 4t 0.04g 250ppm
2 - 4t 0.08g
Waste material incinerator (others.) - 2t 0.15g 40,000m3 - 250ppm
- 40,000m3 -
14.
Roasting furnace, sintering furnace (including pellet baking furnace), blast furnace (including reflection furnace for melts), converter, smelting furnace and drying furnace used for refining copper, lead and zinc.
Raw materials consuming capacity:
0.5 t/h or above.

Grate area*6:
0.5 m2 or above.

Cross sectional area of tuyere surface*7:
0.2 m2 or above.

Burner combustion rate:
20 L/h*3 or above.

Roasting furnace. 40,000m3 - 0.10g 0.05g 220ppm
- 40,000m3 0.15g 0.08g
Sintering furnace. 0.15g 0.08g 220ppm
Blast furnace. (slag treatment furnace using coal or coke as fuel or reducing agent.) 0.15g 0.08g 450ppm
Blast furnace. (others) 100ppm
Converter. 0.15g 0.08g -
Smelting furnace. (copper refining furnace using ammonia as reducing agent) 40,000m3 - 0.10g 0.05g 330ppm
- 40,000m3 0.20g 0.10g
Smelting furnace. (others) 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.20g 0.10g
Drying furnace. 40,000m3 - 0.15g 0.08g 180ppm
- 40,000m3 0.20g 0.10g
15.
Drying facility used manufacturing cadmium pigment or cadmium carbonate.
Capacity:
0.1 m2 or above
- - -
16.
Chlorine quick cooling. Facility used for manufacturing ethylene chloride.
Chlorine*9 as raw material consuming capacity:
50 kg/h or above.
- - -
17.
Smelting furnace used for manufacturing ferric chloride.
Chlorine*9 as raw material consuming capacity:
50 kg/h or above.
- - -
18.
Reaction furnace used for manufacturing activated charcoal. (limited to the method which uses zinc chloride.)
Burner combustion rate:
3 L/h*3 or above.
0.30g 0.15g 180ppm
19.
Chlorine reaction facility. Hydrogen chloride reaction facility and hydrogen chloride absorbing facility used for manufacturing chemical products. (Facilities that use neither chlorine gas nor hydrogen chloride gas are excluded. The facilities listed in preceding three Items and closed type facilities are excluded.)
Chlorine*9 as raw material consuming capacity:
50 kg/h or above.
- - -
20.
Electrolytic furnace used for smelting aluminum
Current capacity:
30kA or above.
0.05g 0.03g -
TypesSpecificationTypesSoot and dustNox
ScaleGen#1Spe#2ScaleStd.
21.
Reaction facility. Concentrating facility. Baking furnace and smelting furnace used for manufacturing phosphorus. Phosphoric acid or phosphoric acidic fertilizer or composite fertilizer. (Facilities that do not use phosphate ore are excluded.)
Phosphate ore as raw material processing capacity:
80 kg/h or above.

Burner combustion rate:
50 L/h*3 or above.

Transformer capacity:
200 kVA or above.

Baking furnace. 0.15g 0.08g 180ppm
Smelting furnace. 0.20g 0.10g 600ppm
Others. - - -
22.
Condensing facility. Absorbing facility and distilling facility used for manufacturing fluorine. (Closed type facilities are excluded.)
Heating area:
10 m2or above.

Pump power:
1 kW or above.

- - -
23.
Reaction facility. Drying furnace and baking furnace used for manufacturing sodium tripolyphosphate. (Facilities that do not use phosphate ore are excluded.)
Raw material consuming capacity:
80 kg/h or above.

Grate area*6:
1 m2 or above.

Burner combustion rate:
50 L/h*3 or above.

Drying furnace. 0.10g 0.05g 180ppm
Baking furnace. 0.15g 0.08g 180ppm
Others. - - -
24.
Smelting furnace used for secondary smelting of lead (including manufacturing of lead alloy) or for manufacturing lead pipe, sheet or wire.
Burner combustion rate:
10 L/h*3or above.

Transformer capacity:
40 kVA or above.

Smelting furnace. 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.20g 0.10g
25.
Smelting furnace used for manufacturing lead storage battery.
Burner combustion rate:
4 L/h*3or above.

Transformer capacity:
20 kVA or above.

Smelting furnace. 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.15g 0.08g
26.
Smelting furnace. Reverberatory furnace. Reflection furnace and drying facility used for manufacturing lead pigment.
Capacity:
0.1 m2or above.

Burner combustion rate:
4 L/h*3 or above.

Transformer capacity:
20 kVA or above.

Smelting furnace. 40,000m3 - 0.10g 0.05g 180ppm
- 40,000m3 0.15g 0.08g
Reverberatory furnace. 0.10g 0.05g 180ppm
Reflection furnace. (for making lead nitrate.) - - 180ppm
Reflection furnace (others) 0.05g 0.03g
Others. - - -
27.
Absorption facility. Bleaching facility and condensing facility used for manufacturing nitric acid.
Production capacity:
100 kg/h or above.
- - 200ppm
28.
Coke furnace.
Raw material consuming capacity:
20 t/day or above.
Coke furnace. 0.15g 0.10g 170ppm
29.
Gas turbine engine.
Fuel combustion rate:
50 L/h*3 or above.
Gas turbine engine. 0.05g 0.04g 70ppm
30.
Diesel engine.
Fuel combustion rate:
50 L/h*3 or above.
Diesel engine. 0.10g 0.08g 950ppm
31.
Gas engine.
Fuel combustion rate:
35 L/h*3 or above.
Gas engine. 0.05g 0.04g 600ppm
32.
Gasoline engine.
Fuel combustion rate:
35 L/h*3 or above.
Gasoline engine. 0.05g 0.04g 600ppm
TypesSpecificationTypesScaleGen#1Spe#2ScaleStd.
Soot and dustNOx
#1:
Soot and dust emission standard per Nm3 of emitting gas in general area.
#2:
Soot and dust emission standard per Nm3 of emitting gas in special area.
*1:
Hot blast boilers are included. Boilers that use electricity or waste heat alone are excluded.
*2:
Calculated in accordance with the ordinance of the Prime Minister's Office (called simply as "heating area" hereafter).
*3:
Calculated in terms of heavy oil.
*4:
Excluding a boiler that is auxiliary to a catalyzer regeneration tower or fluidized bed cracker used for refining petroleum.
*5:
Produced in the paper pulp production process.
*6:
Horizontal projected area, here and hereafter.
*7:
Horizontal cross sectional area of the part surrounded by the inner walls of a furnace at the bottom of tuyere, here and hereafter.
*8:
Nitrates, animates, cyanates are waste materials discharged from a process which produces or uses derivatives of any of those or from a process which uses ammonia for processing wastewater.
*9:
With hydrogen chloride, the rate calculated in terms of chlorine.
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