18.11.2014 Views

Database - United Nations in Bangladesh

Database - United Nations in Bangladesh

Database - United Nations in Bangladesh

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Water 109<br />

4.3 Water Quality<br />

Table 4.3.1 Summary of Inorganic Constituents <strong>in</strong> <strong>Bangladesh</strong> Ground water from the National Hydrochemical Survey (NHS)<br />

Relative to WHO Health-based and Aesthetic Guidel<strong>in</strong>e Values (GVs), as Determ<strong>in</strong>ed by BGS and DPHE (2001)<br />

Parameter<br />

Symbol<br />

WHO GV<br />

(mg/I)<br />

<strong>Bangladesh</strong><br />

Standard<br />

(mg/I)<br />

% Exceedance<br />

Shallow Aquifer<br />

WHO<br />

Guidel<strong>in</strong>e<br />

<strong>Bangladesh</strong> WHO <strong>Bangladesh</strong><br />

Value<br />

Standard GV Standard<br />

Chemicals of health significance<br />

Anamony Sb 0.005(P) _ _ _ _ _ Not measured <strong>in</strong> NHS.<br />

SS data suggest<br />

not a problem<br />

Arsenic As 0.01(P) 0.05 46 27 4.6 0.9 Senous problem<br />

Barium Ba 0.7 0.17 0.2 28 1.2 26 Occasional problem<br />

Beryllium Be NAD _ _ _ _ _ Not measured <strong>in</strong> NHS.<br />

Rarely detected <strong>in</strong><br />

SS (always

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!