13 December 2011

STANDARDS FOR DISCHARGE OF LIQUID EFFLUENTS

SNo.       Source                     Pollutants                 Concetration
 1.            Condeser Cooling            a).  PH                                    6.5 to 8.5
                water                                    b). Temprature                   >10 Degree than
                                                                                                        intake water temp.

 2.          Boiler Blow Down               a). Supened solids              100 mg/L
                                                                   b).Oil & Grease                     20 mg/L
                                                                   c).copper(total)                   1.0 mg/L
                                                                   d).iron                                      1.0 mg/L

3.           Cooling Water                         a).Free available                  0.5 mg/L
               blow down                                   Chlorine                              
                                                                   b). Zinc                                    1.0 mg/L
                                                                   c).Chromium                         0.2 mg/L
                                                                  d).Phosphate                          5.0 mg/L
                                                                   
 4.         Ash Pond                                     a).PH                                            6.5 to 8.5
                                                                    b).SS                                           100 mg/L
                                                                    c).oil &Grease                         20 mg/L