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1 [SCHEDULE – VI]
(See rule 3A)
GENERAL STANDARDS FOR DISCHARGE OF ENVIRONMENTAL POLLUTANTS PART-A : EFFLUENTS
S. No.
Parameter Standards
Inland surface water
Public Sewers
Land for irrigation
Marine coastal areas
1 2 3
(a) (b) (c) (d)
- Colour and odour See 6 of Annexure-I
-- See 6 of Annexure
See 6 of Annexure-I
- Suspended solids mg/l, Max.
100 600 200 (a) For process waste water- 100 (b) For cooling water effluent 10 percent above total suspended matter of influent.
- Particulate size of suspended solids
Shall pass 8 50 micron IS Sieve
-- -- (a) Floatable solids, max. 3 mm. (b) Settleable solids, max. 850 microns. (^2) 4. *** * -- *** --
- pH Value 5.5 to 9.0 5.5 to 9.0 5.5 to 9.0 5.5 to 9.
- Temperature shall not exceed 5oC above the receiving water temperature
-- -- shall not exceed 5 oC above the receiving water temperature
(^1) Schedule VI inserted by Rule 2(d) of the Environment (Protection) Second Amendment Rules, 1993 notified
vide G.S.R. 422(E) dated 19.05.1993, published in the Gazette No. 174 dated 19.05.1993. (^2) Omitted by Rule 2(d)(i) of the Environment (Protection) Third Amendment Rules, 1993 vide Notification
No.G.S.R.801(E), dated 31.12.1993.
S. No.
Parameter Standards
Inland surface water
Public Sewers
Land for irrigation
Marine coastal areas
1 2 3
(a) (b) (c) (d)
- Oil and grease mg/l Max.
10 20 10 20
- Total residual chlorin mg/l Max.
1.0 -- -- 1.
- Ammonical nitrogen (as N), mg/l Max.
50 50 -- 50
- Total Kjeldahl Nitrogen (as NH 3 ) mg/l, Max.
100 -- -- 100
- Free ammonia (as NH 3 ) mg/l, Max.
5.0 -- -- 5.
- Biochemical Oxygen demand 1 [ days at 2 7 oC] mg/l max.
30 350 100 100
- Chemical Oxygen Demand, mg/l, max.
250 -- -- 250
- Arsenic (as As), mg/l, max.
0.2 0 .2 0.2 0.
- Mercury (as Hg), mg/l, Max.
0.01 0.01 -- 0.
- Lead (as Pb) mg/l, Max.
0.1 1.0 -- 2.
- Cadmium (as Cd) mg/l, Max.
2.0 1.0 -- 2.
- Hexavalent Chromium (as Cr+6), mg/l max.
0.1 2.0 -- 1.
(^1) Substituted by Rule2 of the Environment (Protection) Amendment Rules, 1996 notified by G.S.R.176, dated 2.4.
may be read as BOD (3 days at 27oC) wherever BOD 5 days 20oC occurred.
S. No.
Parameter Standards
Inland surface water
Public Sewers
Land for irrigation
Marine coastal areas
1 2 3
(a) (b) (c) (d)
- Radioactive materials :
(a) Alpha emitter micro curie/ml.
10 -^7 10 -^7 10 -^8 10 -^7
(b) Beta emitter micro curie/ml.
10 -^6 10 -^6 10 -^7 10 -^6
- Bio-assay test 90% survival of fish after 96 hours in 100% effluent
90% survival of fish after 96 hours in 100% effluent
90% survival of fish after 96 hours in 100% effluent
90% survival of fish after 96 hours in 100% effluent
- Manganese (as Mn)
2 mg/l 2 mg/l -- 2 mg/l
- Iron (as Fe) 3 mg/l 3 mg/l -- 3 mg/l
- Vanadium (as V) 0.2 mg/l 0.2 mg/l -- 0.2 mg/l
- Nitrate Nitrogen 10 mg/l -- -- 20 mg/l (^1) 40. * * * * * * *
(^1) Omitted by Rule 2(d)(i) of the Environment (Protection) Third Amendment Rules, 1993 vide Notification No. G.S.R. 801(E) dated 31.12.
WASTE WATER GENERATION STANDARDS - PART-B
S.No. Industry Quantum
- Integrated Iron & Steel 16 m^3 /tonne of finished steel
- Sugar 0.4 m^3 /tonne of cane crushed
- Pulp & Paper Industries
(a) Larger pulp & paper (i) Pulp & Paper 175 m^3 /tonne of paper produced (ii)Viscose Staple Fibre 150 m^3 /tonne of product (iii)Viscose Filament Yarn 500 m^3 /tonne of product (b) Small Pulp & Paper :
(i) Agro residue based 150 m^3 /tonne of paper produced
(ii) Waste paper based 50 m^3 /tonne of paper produced
- Fermentation Industries : (a) Maltry 3.5 m^3 /tonne of grain produced
(b) Brewery 0,.25 m^3 /KL of beer produced
(c) Distillery 12 m^3 /KL of alcohol produced
- Caustic Soda
(a) Membrane cell process 1 m^3 /tonne of caustic soda produced excluding cooling tower blowdown
(b) Mercury cell process 4 m^3 /tonne of caustic soda produced (mercury bearing) 10% blowdown permitted for cooling tower
- Textile Industries : Man-made Fibre (i) Nylon & Polyster 120 m^3 /tonne of fibre produced (ii) Vixcose rayon 150 m^3 /tonne of product
- Tanneries 28 m^3 /tonne of raw hide
- Starch. Glucose and related products
8 m^3 /tonne of maize crushed
- Dairy 3 m^3 /KL of Milk
Notes: (i) Quantum limit shall be applicable for discharge of total effluent (process effluent, cooling water blow down including sea cooling water blow down, washings, etc.) to receiving environment (excluding direct application on land for irrigation/horticulture purposes within the premises of refinery). (ii) In order to measure the quantity of effluent (separately for discharge to receiving environment, application for irrigation/horticulture purposes within the premises of refinery & blow-down of cooling systems), appropriate flow measuring devices (e.g. V-notch, flow meters) shall be provided with. (iii) Quantum of pollutants shall be calculated on the basis of daily average of concentration values (one 24-hourly composite sample or average of three grab samples, as the case may be), average flow of effluent during the day and crude throughput capacity of the refinery. (iv) Limit for quantity of effluent discharged (excluding blow-down from seawater cooling) shall be 400 m^3 /1000 tonne of crude processed. However, for refineries located in high rain fall area, limit of quantity of effluent only during rainy days shall be 700 m^3 /1000 tonne of crude processed].
2. Large Pulp & Paper, News Print/ Rayon grade Plants
of capacity above 24000 tonne/ Annum
Parameter
Quantum
Total Organic Chloride (TOCI) 2 kg/tonne of product.
GENERAL EMISSION STANDARDS - PART-D
I. Concentration Based Standards
Sl. No.
Parameter Standard Concentration not to exceed (in mg/Nm^3 )
- Particulate Matter (PM) 150
- Total Fluoride 25
- Asbestos 4 Fibres/cc and dust should not be more than 2 mg/Nm^3
- Mercury 0.
- Chlrine 15
- Hydrochloric acid vapour and mist
- Sulphuric acid mist 50
- Carbon monoxide 1% max. (v/v) (^1) 10. * * * *
- Lead 10 mg/Nm^3 (^1) 12. * * * *
II. Equipment based Standards (^2) [For dispersal of sulphur dioxide, in minimum stack height limit is accordingly
prescribed as below]
Sl. No. Parameter Standard
- Sulphur dioxide Stack-height limit in metre
(i) Power generation capacity :
- 500 MW and more 275
- 200/210 MW and above to less than 500 MW
- less than 200/210 MW H=14(Q) 0. (ii) Steam generation capacity
- Less than 2 tonne/h Less than 8.5 MT 9
- 2 to 5 tonne/h 8.5 to 21 MT 12
- 5 to 10 tonne/h 21 to 42 MT 15
- 10 to 15 tonne/h 42 to 64 MT 18
- 15 to 20 tonne/h 64 to 104 MT 21
- 20 to 25 tonne/h 104 to 105 MT 24
- 25 to 30 tonne/h 105 to 126 MT 27
- More than 30 tonne/h More than 126 MT 30 or using the formula H=14(Q)0.
(^1) Omitted by Rule 2 (g) (iv) of the Environment (Protection) Third Amendment Rules, 1993 vide G.S.R. 801(E) dated 31.12.1993. (^2) Substituted by Rule 2(h)(i), ibid.
7. Aluminium Plants :
(i) Anode Bake Oven Total Fluoride 0.3 Kg/MT of Aluminium
(ii) Pot room
(a) VSS -do- 4.7 Kg/MT of Aluminium
(b) HSS -do- 6 Kg/MT of Aluminium
(c) PBSW -do- 2.5 Kg/MT of Aluminium
(d) PBCW -do- 1.0 Kg/MT of Aluminium
Note : VSS = Vertical Stud Soderberg HSS = Horizontal Stud Soderberg PBSW = Pre Backed Side Work PBCW = Pre Backed Centre Work
- Glass Industry :
(a) Furnace Capacity
(i) Up in the product draw Particulate matter 2 Kg/hr ca capacity of 60 MTD/Day (ii) Product draw capacity -do- 0.8 Kg/MT of Product drawn more than 60 MT/Day
NOISE STANDARDS - PART-E
A. Noise Limits for Automobiles (Free Field Distance at 7.5 Metre in dB(A) at the manufacturing Stage
(a) Motorcycle, Scooters & Three Wheelers 80 (b) Passenger Cars 82 (c) Passenger or Commercial vehicles upto 4 MT 85 (d) Passenger or Commercial vehicles above 4 MT and upto 12 MT 89 (e) Passenger or Commercial vehicles exceeding 12MT 91
(^) Standards notified at S. No. 46 may also be referred.
1 [ AA. Noise limits for vehicles at manufacturing stage
The test method to be followed shall be IS:3028-1998.
(1) Noise limits for vehicles applicable at manufacturing stage from the year 2003
Serial Number
Type of vehicle Noise limits dB(A)
Date of implementation
(1) (2) (3) (4)
- Two wheeler
1 st^ January,
Displacement upto 80 cm^3 Displacement more than 80 cm^3 but upto 175 cm^3
Displacement more than 175 cm^3
- Three wheeler Displacement upto 175 cm^3 771 st^ January, Displacement more than 175 cm^3
- Passenger Car 75 1 st^ January, 2003
- Passenger or Commercial Vehicles
1 st^ July, 2003
Gross vehicle weight upto 4 tonnes 80 Gross vehicle weight more than 4 tonnes but upto 12 tonnes.
Gross vehicle weight more than 12 tonnes. 85
(2)Noise limits for vehicles at manufacturing stage applicable on and from 1stApril, 2005 Serial Number
Type of vehicles Noise limits dB(A) 1.0 (^) Two wheelers 1.1 Displacement upto 80 cc 75 1.2 Displacement more than 80 cc but upto 175 cc 77 1.3 Displacement more than 175 cc 80 2.0 Three wheelers 2.1 Displacement upto 175 cc 77 2.2 Displacement more than 175 cc 80 3.0 (^) Vehicles used for the carriage of passengers and capable of having not more than nine seats, including the driver’s seat
(^1) Substituted by Rule 2 of the Environment (Protection) Fourth Amendment Rules, 2002 notified vide Notificat6ion G.S.R.849(E), dated 30.12.2002 (Earlier ‘AA – Noise limits for vehicles w.e.f. 1st^ January 2003’ inserted by Rule 2 (2) of the Environment (Protection) Amendment Rules, 2000 notified vide Notification G.S.R. 742(E), dated 25.9.2000.)
ANNEXURE-I
(For the purposes of Parts – A, B and C)
The State Boards shall following guide-lines in enforcing the standards specified under the schedule VI :
(1) the waste waters and gases are to be treated with the best available technology (BAT) in order to achieve the prescribed standards.
(2) the industries need to be encouraged for recycling and reuse, of waste materials as far as practicable in order to minimize the discharge of wastes into the environments.
(3) the industries are to be encouraged for recovery of biogas, energy and reusable materials.
(4) while permitting the discharge of effluent and emission into the environment, State Boards have to take into account the assimilative capacities of the receiving bodies, especially water bodies so that quality of the intended use of the receiving waters is not affected. Where such quality is likely to be effected discharges should not be allowed into water bodies.
(5) the Central and State Boards shall put emphasis on the implementation of clean technologies by the industries in order to increase fuel efficiency and reduce the generation of environmental pollutants.
(6) All efforts should be made to remove colour and unpleasant odour as far as practicable.
(7) The standards mentioned in the Schedule shall also apply to all other effluents discharged such as industrial mining, and mineral processing activities and sewage.
(8) the limit given for the total concentration of mercury in the final effluent of caustic soda industry, is for the combined effluent from (a) Cell house, (b) Brine Plant, (c) Chlorine handling, (d) hydrogen handling and (e) hydro choleric acid plant.
(9) 1 [(a)….(f)]
(10) All effluents discharge including from the industries such as cotton textile, composite woolen mills, synthetic rubber, small pulp & paper, natural rubber, petro-chemicals, tanneries, point dyes,
(^1) Omitted by Rule 4 of the Environment (Protection) Rules, 1996 notified by notification G.S.R. 176(E), dated 2.4.1996.
slaughter houses, food & fruit processing and diary industries into surface waters shall conform to be BOD limit specified above, namely 30 mg/l. For discharge an effluent having a BOD more than 30 mg./l, the standards shall conform to those given, above for other receiving bodies, namely, sewers, coastal waters, and land for irrigation.
(11) 1 [***…….]
(12) In case of fertilizer industry the limits in respect of chromium and fluoride shall be complied with at the outlet of chromium and fluoride removal units respectively.
(13) In case of pesticides :
(a) The limits should be complied with at the end of the treatment plant before dilution.
(b) Bio-assay test should be carried out with the available species of fish in the receiving water, the COD limits to be specified in the consent conditions should be correlated with the BOD limits.
(c) In case metabolites and isomers of the Pesticides in the given list are found in significant concentration, standards should be prescribed for these also in the same concentration as the individual pesticides. (d) Industries are required to analyze pesticides in waste water by advanced analytical methods such as GLC/HPLC.
(^2 14) The chemical oxygen demands (COD) concentration in a treated effluent, if observed to be persistently greater than 250 mg/l before disposal to any receiving body (public sewer, land for irrigation, inland surface water and marine coastal areas), such industrial units are required to identify chemicals causing the same. In case these are found to be toxic as defined in the Schedule I of the Hazardous Rules 1989 the State Board in such cases shall direct the industries to install tertiary treatment stipulating time limit. (15) Standards specified in Part A of Schedule – VI for discharge of effluent into the public sewer shall be applicable only if such sewer leads to a secondary treatment including biological treatment system, otherwise the discharge into sewers shall be treated as discharge into inland surface waters].
(^1) Omitted by Rule, 2(k) (vii) of the Environment (Protection) Third amendment Rules, 1993 vide G.S.R. 801 (E), dated 31.12.1993. (^2) Inserted by rule 2(k) (ix), ibid.
(j) In case of stone crushing units, the suspended PM contribution value at a distance of 40 meters from a controlled, isolated as well as from a unit located in cluster should be less than 600 micrograms/Nm^3. 1 [* * *] These units must also adopt the following pollution control measures :
(i) Dust containment cum suppression system for the equipment;
(ii) Construction of wind breaking walls;
(iii) Construction of the metalled roads within the premises;
(iv) Regular cleaning and wetting of the ground within the premises;
(v) Growing of a green belt along with periphery.
(k) In case of Ceramic industry, from the other sources of pollution, such as basic raw materials and processing operations, heat recovery dryers, mechanical finishing operation, all possible preventive measures should be taken to control PM emission as far as practicable.
- The total fluoride emission in respect of Glass and Phosphatic Fertilizers shall not exceed 5 mg/Nm^3 and 25 mg/Nm^3 respectively.
(^2) 3. [In case of copper, lead and zinc smelting, the off-gases may, as far as
possible, be utilized for manufacturing sulphuric acid]
(^3) 4. [In case of cupolas (Foundries) having capacity (melting rate) less than 3
tonne/hour, the particulate matter emission shall be within 450 mg/Nm^3. In these cases it is essential that stack is constructed over the cupolas beyond the charging door and the emissions are directed through the stack, which should be at least six times the diameter of cupola. In respect of Arc Furnaces and Induction Furnaces, provision has to be made for collecting the fumes before discharging the emissions through the stack].
[No. Q-15017/24/89-CPW] MUKUL SANWAL, Jt. Secy.
(^1) Omitted by Rule 2(i)(iii) of the Environment (Protection) Third Amendment Rules, 1993, vide G.S.R. 801(E) dated
31.12.1993. (^2) Substituted by Rule 2(1)(i); Ibid. (^3) Added by Rule 2(1)(ii), Ibid.
