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ANALYTICAL REPORT OF SEWAGE AT KODUNGAIYUR
SEWAGE TREATMENT PLANT

           
Sl.No. PARAMETERS   RAW TREATED  
      SEWAGE SEWAGE  
1 Colour   Greyish Sl.Yellowish  
2 Odour   Objectionable Unobjectionable  
3 Temperature oC 30 30  
4 B.O.D ( 5 days at 20 oC) mg/lit. 360 20  
5 C.O.D mg/lit. 696 95  
6 Total Suspended Solids mg/lit. 420 30  
7 Total Dissolved Solids mg/lit. 1750 1650  
8 Total Solids mg/lit. 2170 1680  
9 Settelable Solids ml/ lit. 25 2  
10 PH   7.3 7.6  
           
           
           
           
           
ANALYTICAL REPORT OF SEWAGE AT NESAPAKKAM
SEWAGE TREATMENT PLANT
           
           
Sl.No. PARAMETERS   RAW TREATED  
      SEWAGE SEWAGE  
1 Colour   Blakish Grey Colourless  
2 Odour   Sulphide Odouless  
3 Temperature oC 27 26  
4 B.O.D ( 5 days at 20 oC) mg/lit. 330 12  
5 C.O.D mg/lit. 620 70  
6 Total Suspended Solids mg/lit. 440 15  
7 Total Dissolved Solids mg/lit. 940 820  
8 Total Solids mg/lit. 1380 835  
9 Settelable Solids ml/ lit. 6 Nil  
10 pH   7.3 7.8  
           
           
           
ANALYTICAL REPORT OF SEWAGE AT KOYEMBEDU
SEWAGE TREATMENT PLANT
           
           
Sl.No. PARAMETERS   RAW TREATED  
      SEWAGE SEWAGE  
1 Colour   Blackish Colourless  
2 Odour   Offensive Sl.Fishy  
3 Temperature oC 29 28  
4 B.O.D ( 5 days at 20 oC) mg/lit. 350 21  
5 C.O.D mg/lit. 910 79  
6 Total Suspended Solids mg/lit. 563 29  
7 Total Dissolved Solids mg/lit. 1580 1510  
8 Total Solids mg/lit. 2143 1539  
9 Settelable Solids ml/ lit. 23 1  
10 pH   7.3 7.8  
           
           
           
           
STANDARD FOR TREATED SEWAGE EFFLUENT
LET INTO INLAND WATER WAYS
           
1. B.O.D  ( 5 days at 20 O c) mg/l :      20          
           
           
           
                            2. SUSPENDED SOLIDS     mg/l :      30        
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