Air Impurities Emission Standard
A Summary in accordance to the
limits stipulated in the
Environmental Quality (Clean Air) Regulations, 1978
Types of Air Impurities |
Sources of emission
|
Limits based on Standard C
|
|
Dark
Smoke *;
|
1.
Solid fuel burning equipment:
2. Other types of fuel burning equipment:
|
1. Ringelmann Chart No.2
2. Ringelmann Chart No.1
|
|
Dust
Particulate;
|
1. Metal heating facilities
other than Cold Blast Foundry Cupola:
2. Facilities discharging dust
containing asbestos and free silica;
3. Portland cement
manufacturing;
3.1. Kiln;
3.2. Clinker, cooler, grinder, others
4. Asphalt concrete/bituminous
mixing plant:
4.1. Stationary plant;
4.2. Mobile plant
5. Other sources: (other
than heating of metals) e.g. boilers, incinerators, heaters, etc.
|
1. 0.2g/Nm3
2. 0.12g/Nm3
3.
3.1
0.2g/Nm3
3.2
0.1g/Nm3
4.
4.1 0.3g/Nm3
4.2 0.4g/Nm3
5.
0.4g/Nm3
|
|
Metal and
metallic compounds;
1. Mercury
2. Cadmium
3. Lead
4. Antimony
5. Arsenic
6. Zinc
7. Copper
|
Any industrial operations
|
1. 0.01g/Nm3
2. 0.015g/Nm3
3. 0.025g/Nm3
4. 0.025g/Nm3
5. 0.025g/Nm3
6. 0.1g/Nm3
7. 0.1g/Nm3
|
|
Gases;
1. Acid gases
2. H2SO4
mist or SO3 or both
3. Chlorine gas
4. HCl gas
5. F, HF, inorganic F cp.
6. F, HF, inorganic F cp.
7. H2S
8. NOx
9. NOx
|
1. Sulfuric
acid manufacturing plant
2. Other
sources than (1);
3. Any
sources
4. Any
sources
5. Aluminum
mfg. from alumna
6. Other
sources than (5)
7. Any
sources
8. HNO3
manufacturing plant
9. Other
sources than (8)
|
1. 3.5g of SO3/Nm3
and no persistent mist
2. 0.2g of SO3/Nm3
and no persistent mist
3. 0.2g
of HCl/Nm3
4. 0.4g
of HCl/Nm3
5. 0.2g of HF/Nm3
6. 0.10g
of HF/Nm3
7. 5
ppm (%vol.)
8. 1.7g
of S03/Nm3 and colorless
9.
2.0g of SO3/Nm3
|
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