Civil Engineering - Water Supply Engineering - Discussion
Discussion Forum : Water Supply Engineering - Section 1 (Q.No. 22)
22.
The maximum permissible nitrites in public water supplies, is
Discussion:
12 comments Page 1 of 2.
Mukesh said:
3 years ago
It's 0.5 to 1.0.
Tribal Chief said:
3 years ago
Its nitrite, not nitrate.
Vijay Shankar said:
4 years ago
The World Health Organization (WHO) guideline of 50 ppm and the US maximum contaminant level (MCL) of 45 ppm for nitrate in drinking water are established for the protection of infants from methemoglobinemia. The WHO guideline for nitrite is 3 ppm and the MCL 1 ppm. The water must also be microbiologically safe.
Jay said:
5 years ago
Nitrites are highly dangerous for human health.
It represents partial decomposition of organic matter and it should not be present in water at all.
It represents partial decomposition of organic matter and it should not be present in water at all.
(1)
Rixu said:
6 years ago
It is nitrites Not nitrates.
Pushap said:
6 years ago
Permissible to 45 ppm.
Bittu said:
6 years ago
Acc to WHO, Nitrate is 10 ppm.
Amit naik said:
7 years ago
It's max means 0.5 ppm.
BHASKAR MANNA said:
8 years ago
The answer will be option C) 1 P.P.M.
P s Thanveer said:
9 years ago
Among all the forms of nitrogen present in water. Nitrites indicate partly decomposed condition thus its avoided completely.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers