Emission standard for the water pollutant into the surface water and catchment area (L2 standard shall be implemented in Songzhuang Town and Lucheng Town and L3 in other areas)
|
Item
|
Maximum concentration of emission permitted
(mg/l)
Stand (L3)
|
Item
|
Maximum concentration of emission permitted
(mg/l)
Stand (L3)
|
|
Pollutant
|
Mercury and its inorganic compounds
|
0.002
|
Chemical oxygen demand (COD)
|
100
|
|
Mercury and its inorganic compounds
|
0.02
|
Sulphides
|
0.5
|
|
Hexavalent Chromium compound
|
0.2
|
Volatile phenol
|
0.5
|
|
Trivalent Chromium compound
|
1.0
|
Cyanide
|
0.5
|
|
Arsenic and its inorganic compounds
|
0.1
|
Total phosphorus concentration
|
0.3
|
|
Lead and its inorganic compounds
|
0.1
|
Mineral oil
|
8
|
|
Copper and its inorganic compounds
|
1.0
|
Formaldehyde
|
1.5
|
|
Zinc and its inorganic compounds
|
3.0
|
Nitrobenzene
|
1
|
|
PH value
|
6.0¡«8.5
|
Aniline
|
1
|
|
Suspended matter
|
50
|
Chlorobenzene
|
0.1
|
|
Chromaticity (degree)
|
80
|
Benzene and its analogies
|
2.5
|
|
Temperature of water (¡æ)
|
35
|
Fluoride
|
4
|
|
Nickel and its inorganic compounds
|
0.5
|
Developer
|
2.0
|
|
Biochemical oxygen demand (BOD)
|
60
|
Soluble solids content
|
1000
|
|
Atmosphere
|
Atmospheric quality
|
L2
|
Ambient Air Quality Standard by the State(GB3095-1996)
|
|
Noise
|
Boundary
|
Daytime: 65D (A)
|
Standard of Environmental Noise of Urban Area by the State (GB3096-93)
|
|
Night: 55D (A)
|
|
Fog
|
Maximum fog emission permitted
|
10 mg/m3
|
Emission Standard of Dusts of Boiler by the State
|
|
Maximum Ringelman black permitted
|
L1
|
|
