Concentration Based Standards of Load
Industry Parameter Standard
Fertilizer (urea)    
commissioned after 1.1.82 Particulate Matter 2kg/ tonne of product
commisioned after 1.1.82 Particulate Matter 0.5 kg/ tonne of product
Copper, lead and zinc semltor Sulphur dioxide 4 kg/ tonne of concentrated (100%) acid produced
Nitric acid Oxides of nitrogen 3 kg/tonne of weak acid (before concentration) produced
Sulphur acid Sulphur dioxide 4kg/tonne of concentrated (100%) acid produced
Coke oven Carbon monoxide 3kg/tonne of coke produced
Oil refineries    
distillation (atmosheric+vacuum) Sulphur dioxide 0.25kg/tonne of Feed in this process
Catalytic cracker Sulphur dioxide 2.5kg/tonne of feed in this process
Sulphur recovery unit Sulphur dioxide 120kg/topnne of sulphur in the feed
Aluminium Plants    
Anode bake oven Total fluoride 0.3kg/tonne of aluminium
Pot room    
VSS Total fluoride 4.7 kg/tonne of aluminium
HSS Total fluoride 6 kg/tonne of aluminium
PBSW Total fluoride 2.5kg/tonne of aluminium
PBCW Total fluoride 1.0 kg/tonne of aluminium
Glass industry    
Furnace capacity    
Up to the product draw capacity of 60 tonne/day Particulate Matter 2 kg/hr
Product draw capacity more than 60 tonne/day Particulate Matter 0.8 kg/tonne of product drawn
Abbr. : VSS : Verticla Stud Soderberg.
            : PBSW : Pre Backed Side Work.
            : HSS : Horizontal Stud Soderberg.
            : PBCW : Pre Backed Centre  Work.
Source : Environmental Standards for Ambient Air,
          Automobiles, Fuels, Industries and Noise, 
          Central Pollution Control Board, Ministry of
          Environment & Forest.