Virginia Water Quality Standards - Water - US Environmental ...
Virginia Water Quality Standards - Water - US Environmental ...
Virginia Water Quality Standards - Water - US Environmental ...
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9 VAC 25-260 - <strong>Virginia</strong> <strong>Water</strong> <strong>Quality</strong> <strong>Standards</strong><br />
January 2011<br />
PARAMETER<br />
CAS Number<br />
DDD (µg/l)<br />
72548<br />
AQUATIC LIFE<br />
<strong>US</strong>E DESIGNATION<br />
FRESHWATER SALTWATER Public<br />
<strong>Water</strong><br />
Acute 1 Chronic 2 Acute 1 Chronic 2<br />
Supply 3<br />
HUMAN HEALTH<br />
All Other<br />
Surface<br />
<strong>Water</strong>s 4<br />
Known or suspected<br />
0.0031 0.0031<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
DDE (µg/l)<br />
72559<br />
Known or suspected<br />
0.0022 0.0022<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
DDT (µg/l)<br />
50293<br />
Known or suspected<br />
carcinogen; human health<br />
criteria at risk level 10 -5.<br />
Total concentration of DDT<br />
and metabolites shall not<br />
exceed aquatic life criteria.<br />
Demeton (µg/l)<br />
8065483<br />
Diazinon (µg/l)<br />
333415<br />
Dibenz (a, h) anthracene<br />
(µg/l)<br />
53703<br />
1.1 0.0010 0.13 0.0010 0.0022 0.0022<br />
0.1 0.1<br />
0.17 0.17 0.82 0.82<br />
Known or suspected<br />
0.038 0.18<br />
carcinogen; human health<br />
1,2–Dichlorobenzene (µg/l)<br />
95501<br />
1,3– Dichlorobenzene (µg/l)<br />
541731<br />
1,4 Dichlorobenzene (µg/l)<br />
106467<br />
3,3 Dichlorobenzidine<br />
91941<br />
420 1,300<br />
320 960<br />
63 190<br />
Known or suspected<br />
0.21 0.28<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
22