Emission and Effluent Standards for Relevant Pollutants to Prevent Industrial Pollution

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The Central Government has notified emission and effluent standards for relevant pollutants under Environment (Protection) Act, 1986 for 74 categories of processes and industries, including 17 categories of highly polluting industries. The identification of pollutants and setting of standards have been done in consultation with various stakeholders. There are concentration based standards as well as load based standards in some cases. There may be differential norms depending upon production capacity, technology or location of industry. For example, the limit for particulate matter for cupola furnace would be 450 mg/Nm3 if the melting capacity is less then 3 tonne/hour. Similarly, the norms for Biochemical Oxygen Demand are 1000 mg/litre for wet process of Coffee industry and 100 mg/litre for dry process. In addition, there are norms for physical specifications to be followed, such as, height of chimney for a boiler, brick Kiln or cement plant.

There are 17 categories of highly polluting industries, which have been identified as Aluminium, Cement, Chlor-Alkali, Copper, Distillery, Dyes & Dye Intermediates, Fertilizer, Iron & Steel, Oil Refinery, Pesticides, Petrochemicals, Pharmaceuticals, Pulp, & Papers, Suger, Tannery, Thermal Power and Zinc. The concerned State Pollution Control Board (SPCB)/Pollution Control Committee (PCC) alongwith Central Pollution Control Board (CPCB) monitor the discharges from these units. The Central Government reiterates to CPCB and SPCBs the necessity of close monitoring of 17 categories from time to time.

For effective control of industrial pollution, various steps have been taken by the Central Government, CPCB and the SPCBs/PCCs. These include, inter alia, inspection & enforcement of emission & effluent standards through issue of directions and consent mechanism, mandatory prior environmental clearance for certain new projects/expansion of projects, financial assistance for establishment of Common Effluent Treatment Plants for Small Scale Industries (SSIs) units located in industrial clusters, identification of critically polluted areas and preparation of action plans for abatement of pollution.

This information was given by the Minister of State for Environment and Forests (independent charge) Shri Jairam Ramesh in a written reply to a question by S/Shri Shivraj Bhaiya, Uday Pratap Singh, Raju Shetti, Bhoopendra Singh, Amarnath Pradhan, Sardar Sukhdev Singh Libra And Ravneet Singh in Lok Sabha today.


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