Environmental
Standards |
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32.0 GENERAL STANDARDS* FOR DISCHARGE OF ENVIRONMENTAL POLLUTANTS
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S. No.
|
Parameter
|
Inland surface water
|
Public sewers
|
Land for irrigation
|
Marine/coastalareas
|
. |
2
|
3
|
.
|
.
|
|
. |
.
|
(a)
|
(b)
|
(c)
|
(d)
|
1
|
Colour and odour |
See 6 of Annexure-1I |
See 6 of Annexure-1I |
See 6 of Annexure-1I |
|
2
|
Suspended solids mg/l, max. |
100
|
600
|
200
|
(a) For process waste water (b) For cooling water effluent 10 per cent above total suspended matter of influent. |
3
|
Particle size of suspended solids |
shall pass 850 micron IS Sieve |
–
|
–
|
(a) Floatable solids, solidsmax. 3 mm (b) Settleable solids, max 856 microns |
4
|
pH value |
5.5 to 9.0 |
5.5
to 9.0 |
5.5
to 9.0 |
5.5 to 9.0 |
5
|
Temperature | shall not exceed 5oC above the receiving water temperature |
shall not exceed 5oCabove the receiving water temperature |
||
6
|
Oil and grease, mg/l max, |
10
|
20
|
10
|
20
|
7
|
Total residual chlorine, mg/l max |
1.0
|
–
|
–
|
1.0
|
8
|
Ammonical nitrogen (as N),mg/l, max. |
50
|
50
|
–
|
50
|
9
|
Total kjeldahl nitrogen (as N);mg/l, max. mg/l, max. |
100
|
–
|
–
|
100
|
10
|
Free ammonia (as NH3), mg/l,max. |
5.0
|
–
|
–
|
5.0
|
11
|
Biochemical oxygen demand (3 days at 27oC), mg/l, max. |
30
|
350
|
100
|
100
|
12
|
Chemical oxygen demand, mg/l, max. |
250
|
–
|
–
|
250
|
13
|
Arsenic(as As). |
0.2
|
0.2
|
0.2
|
0.2
|
14
|
Mercury (As Hg), mg/l, max. |
0.01
|
0.01
|
–
|
0.01
|
15
|
Lead (as Pb) mg/l, max |
0.1
|
1.0
|
–
|
2.0
|
16
|
Cadmium (as Cd) mg/l, max |
2.0
|
1.0
|
–
|
2.0
|
17
|
Hexavalent chro-mium (as Cr + 6),mg/l, max. |
0.1
|
2.0
|
–
|
1.0
|
18
|
Total chromium (as Cr) mg/l, max. |
2.0
|
2.0
|
–
|
2.0
|
19
|
Copper (as Cu)mg/l, max. |
3.0
|
3.0
|
–
|
3.0
|
20
|
Zinc (as Zn) mg/l, max. |
5.0
|
15
|
–
|
15
|
21
|
Selenium (as Se) |
0.05
|
0.05
|
–
|
0.05
|
22
|
Nickel (as Ni) mg/l, max. |
3.0
|
3.0
|
–
|
5.0
|
23
|
Cyanide (as CN) mg/l, max. |
0.2
|
2.0
|
0.2
|
0.2
|
24
|
Fluoride (as F) mg/l, max. |
2.0
|
15
|
–
|
15
|
25
|
Dissolved phos- phates (as P),mg/l, max. |
5.0
|
–
|
–
|
–
|
26
|
Sulphide (as S) mg/l, max. |
2.0
|
–
|
–
|
5.0
|
27
|
Phenolic compounds (as C6H50H)mg/l, max. |
1.0
|
5.0
|
–
|
5.0
|
28
|
Radioactive materials: (a) Alpha emitters micro curie mg/l, max. (b)Beta emittersmicro curie mg/l |
10-7 10-6 |
10-7 10-6 |
10-8 10-7 |
10-7 10-6 |
29
|
Bio-assay test |
90%
suivival of fish after 96 hours in 100% effluent |
90% suivival
of fish after 96 hours in 100% effluen |
90% suivival
of fish after 96 hours in 100% effluen |
90% suivival
of fish after 96 hours in 100% effluen |
30
|
Manganese |
2
mg/l |
2
mg/l |
–
|
2 mg/l
|
31
|
Iron (as Fe) |
3mg/l
|
3mg/l
|
–
|
3mg/l
|
32
|
Vanadium (as V) |
0.2mg/l
|
0.2mg/l
|
–
|
0.2mg/l
|
33
|
Nitrate Nitrogen |
10 mg/l
|
–
|
–
|
20 mg/l
|
* These standards shall be applicable for industries,
operations or processes other than those industries, operations or process for
which standards have been specified in Schedule of the Environment Protection
Rules, 1989.
Part – B: Wastewater Generation Standards
S. No.
|
Industry
|
Quantum
|
1
|
Integrated Iron & Steel |
16 m3/tonne of finished steel |
2
|
Sugar | 0.4m3/tonne of cane crushed |
3
|
Pulp & Paper Industries (a) Large pulp & paper (i) Pulp & paper (ii) Rayon grade pulp(b) Small pulp & paper (i) Agro-residue based (ii) Waste paper based |
175 m3/tonne of paper produced 150 m3/tonne of paper 150 |
4
|
Fermentation Industries (a) Maltry (b) Brewer (c) Distillery |
3.5 m3/tonne of grain processed 0.25 m3/KL of beer produced 12 M3/KL of alcohol produced |
5
|
Caustic Soda (a) Membrane cell process(b) Mercury cell process |
1m3/tonne of caustic soda produced excluding cooling tower blowdown4 m3/tonne of caustic soad produced (mercury bearing). 10% below down permitted for cooling tower. |
6
|
Textile Industries: Man-made fibre (i) Nylon & Polyster (ii) Voscose Staple Fibre(iii) Viscose Filament Yarn |
120 m3/tonne of fibre produced 150 m3/tonne of product 500 m3/tonne of product |
7
|
Tanneries | 28 m3/tonne of raw hide |
8
|
Starch Glucose and related products |
8 m3/tonne of maize crushed |
9
|
Dairy | 3 m3/kl of Milk |
10
|
Natural rubber processing industry Fertiliser (a) Straight nitrogenous fertiliser(b) Straight phosphatic fertiliser (SSP & TSP) excluding manufacture of any acid (c) Complex fertiliser |
4 m3/tonne of rubber |
11
|
Biochemical oxygen demand (3 days at 27oC), mg/l, max.(a) Straight nitrogenous fertiliser (b)Straight phosphatic fertiliser (SSP & TSP) excluding (c)Complex fertiliser |
5 m3/tonne of urea orequivalent produced
0.5 Standards of nitrogenous and phospathic fertilisers |
Part-C Load based standards
1. Oil Refinery Industry
Parameter | Quantum in Kg/1000 tonnes of crude processed |
Oil & grease |
10.00 |
Phenol | 0.70 |
BOD | 10.50 |
Suspended solids |
14.00 |
Sulphide | 0.35 |
2. Large Pulp & Paper, News Print/Rayon grade plants of capacity
above 24,000 tonne/annum
Parameter |
Quantum |
Total Organic Chloride (TOCI) |
2 kg/tonne of product |
Part-D Concentration Based Standards
1. General Emission Standards
S.No.
|
Parameter |
Concentration not to exced (in mg/Nm3) |
1.
|
Particulate matter (PM) |
150
|
2.
|
Total fluoride |
25
|
3
|
Asbestos |
4
Fibres/cc and dust should not be more than 2 mg/Nm3 |
4
|
Mercury |
0.2
|
5.
|
Chlorine |
15
|
6
|
Hydrochloric acid vapour and mist |
35
|
7
|
Sulphuric acid mist |
50
|
8
|
Carbon monoxide |
1%
|
9
|
Lead |
10
|
II. Equipment based standards
For dispersion of sulphur
dioxide; a minimum stack height limit is accordingly prescribed as below :
S.No.
|
Power generation capacity/ Steam generation capacity |
Stack height (metre)
|
1.
|
Power generation capacity: -500 MW and more -200/210 MW and above to less than 500 MW -Less than 200/210 MW |
275220
H=(Q)0.3 |
2.
|
Steam generation capacity -Less than 2 tonne/hr -2 to 5 tonne/hr -5 to 10 tonne /hr -10 to 15 tonne/hr -15 to 20 tonne/hr -20 to 25 tonne/hr-25 to 30 tonne/hr -More than 30 tonne/hr |
09 |
Note:
H=Physical height of the stack in metre
Q=Emission rate of SO2 in kg/hr.
III. Load/Mass?Based Standards
S.No.
|
Industry
|
Parameter
|
Standard
|
1
|
Fertilizer (urea) -commissioned prior to 1.1.82 -commissioned after 1.1.82 |
Particulate MatterParticulate Matter |
2kg/tonne of product0.5 kg/tonne of product |
2
|
Copper, lead and zinc semltor |
Sulphur dioxide |
4 kg/tonne of concentrated (100%) acid produced |
3
|
Nitric acid |
Oxides of nitrogen |
3 kg/tonne of weak acid (before concentration) produced |
4
|
Sulphuric acid | Sulphur dioxide |
4 kg/tonne of concentrated (100%) acid produced |
5
|
Coke oven |
Carbon monoxide |
3 kg/tonne of coke produced |
6
|
Oil Refineries -Distillation (atmospheric+vacuum) -Catalytic cracker -Sulphur recovery unit |
Sulphur dioxide-do -do- |
0.25kg/tonne of feed in this process0.25kg/tonne of feed in this process 120 kg/tonne of Sulphur in the feed |
7
|
Aluminium plants: (i) Anode bake oven(ii) Pot room (a) VSS (b) HSS (c) PBSW |
Total fluoride-do- -do- -do -do- |
0.3 kg/tonne of aluminium4.7 kg/tonne of aluminium 6 kg/tonne of aluminium 2.5 kg/tonne of aluminium 1.0 kg/tonne of aluminium |
8
|
Glass industry (a) Furnace capacity (i) Up to the product draw capacity of 60 tonne/day (ii) Product draw capacity more than 60 tonne/day |
Particulate Matter
-do- |
2 kg/hr
0.8 kg/tonne of product drawn |
Note: VSS = vertical stud soderberg; HSS = horizontal stud soderberg;
PBSW = pre backed side work and PBCW = pre backed centre work
PART-E Noise Standards
A. Noise limits for automobiles (from at 7.5 metre indB(A) at the manufacturing stage)
|
B. Domestic appliances and construction equipments
at the manufacturing stage to be achieved by 31st December, 1993.
|
ANNEXURE-I
(For the purpose of Parts-A, B and C)
The state boards shall follow the following guidelines in enforcing the standards specified under Schedule IV.
|
ANNEXURE-II
(For the purpose of Parts-D)
|
Source: Central Pollution Control Board (CPCB)