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 />
Tetrachloroethylene (µg/l)<br />
127184<br />
Known or suspected<br />
carcinogen; human health<br />
criteria at risk level 10 -5 )<br />
Thallium (µg/l)<br />
7440280<br />
Toluene (µg/l)<br />
108883<br />
Total Dissolved Solids (µg/l)<br />
Criterion to maintain<br />
acceptable taste, odor or<br />
aesthetic quality of drinking<br />
water and applies at the<br />
drinking water intake.<br />
6.9 33<br />
0.24 0.47<br />
510 6,000<br />
500,000<br />
Toxaphene (µg/l)<br />
8001352<br />
Known or suspected<br />
0.73 0.0002 0.21 0.0002 0.0028 0.0028<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
Tributyltin (µg/l)<br />
60105<br />
0.46 0.072 0.42 0.0074<br />
1, 2, 4 Trichlorobenzene<br />
(µg/l)<br />
120821<br />
35 70<br />
1,1,2-Trichloroethane (µg/l)<br />
79005<br />
Known or suspected<br />
5.9 160<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
Trichloroethylene (µg/l)<br />
79016<br />
Known or suspected<br />
25 300<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
2, 4, 6 –Trichlorophenol<br />
88062<br />
Known or suspected<br />
14 24<br />
criteria at risk level 10 -5.<br />
carcinogen; human health<br />
2–(2, 4, 5 –<br />
Trichlorophenoxy propionic<br />
acid (Silvex) (µg/l)<br />
93721<br />
50<br />
33
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