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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 />

Dichlorobromomethane<br />

(µg/l)<br />

75274<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 />

5.5 170<br />

carcinogen; human health<br />

1,2 Dichloroethane (µg/l)<br />

107062<br />

Known or suspected<br />

3.8 370<br />

criteria at risk level 10 -5.<br />

carcinogen; human health<br />

1,1 Dichloroethylene (µg/l)<br />

75354<br />

1,2-trans-dichloroethylene<br />

(µg/l)<br />

156605<br />

2,4 Dichlorophenol (µg/l)<br />

120832<br />

2,4 Dichlorophenoxy acetic<br />

acid (2,4-D) (µg/l)<br />

94757<br />

1,2-Dichloropropane (µg/l)<br />

78875<br />

330 7,100<br />

140 10,000<br />

77 290<br />

Known or suspected<br />

5.0 150<br />

criteria at risk level 10 -5.<br />

carcinogen; human health<br />

1,3-Dichloropropene (µg/l)<br />

542756<br />

Known or suspected<br />

3.4 210<br />

criteria at risk level 10 -5.<br />

carcinogen; human health<br />

Dieldrin (µg/l)<br />

60571<br />

Known or suspected<br />

0.24 0.056 0.71 0.0019 0.00052 0.00054<br />

criteria at risk level 10 -5.<br />

carcinogen; human health<br />

Diethyl Phthalate (µg/l)<br />

84662<br />

100<br />

17,000 44,000<br />

23

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