IS 456 : 2000 the limit of suspended matter in water to be used for construction is 2000 mg/l.
Permissible limit for solids|
Constituents |
Permissible limit (max.) |
|
1. organic |
200 mg/l |
|
2. inorganic |
3000 mg/l |
|
3. sulphate |
400 mg/l |
|
4. chloride |
2000 mg/l (without steel) 500 mg/l (with steel) |
|
5.suspended matter |
2000 mg/l
|
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