tender for procurement of different chemicals for cooling water treatment at stg-1&2, sgtpp under chemical laboratory- 1 procurement of different chemicals for cooling water treatment at stg-1&2, sgtpp under chemical laboratory 2 scale inhibitor for cw treatment ( pbtc ) 3 corrosion inhibitor for cw treatment ( zinc sulphate ) 4 polymalic acid, polymeric dispersant for hardness stabiliser ( pma & ter polymer ) 5 bio dispersant for cw treatment ( eopo ) 6 non oxidizing biocide for cw treatment ( qac, quarternary ammonium compound ) 7 non oxidizing biocide for cw treatment ( 10% dbnpa, ( 2, 2-dibromo-3-nitrilopropionamide ) ) 8 cw chemical treatment job of stg-1 & 2 ( as per attached annexure-scope of work )