engineering recuitment PPSC JE Civil Mock Test 2022 Environmental Engineering Water Supply Distribution of Water
As per IS 10500 : 2012, for drinking water in the absence of alternate source of water, the permissible limits for chloride and sulphate, in mg/L, respectively are
1
250 and 200
2
1000 and 400
3
200 and 250
4
500 and 1000