Wyoming Cleanup Standards for Hydrocarbon Contaminated Groundwater

Product

Parameter/ Constituent

Lab Test Protocol & Number

Detection Level

Notification Level

Action Level

Cleanup Level

Gasoline



Benzene

EPA 802B or 8260B

*

any amount

>5µg/L

5µg/L

Ethylbenzene

EPA 802B or 8260B

*

any amount

>700µg/L

700µg/L

Toluene

EPA 802B or 8260B

*

any amount

>1000µg/L

1000µg/L

Xylenes

EPA 802B or 8260B

*

any amount

>10,000µg/L

10,000µg/L

MTBE

EPA 8260B

*

 

 

 

Total Lead

EPA 3020A/7421

*

any amount

>50µg/L

50µg/L

TPH

EPA 8015B GRO C10

*

any amount

>10mg/L

10mg/L

Fuel Oils

 

BTEX

same as for gasoline

 

 

 

 

TPH

EPA 8015B DRO C10

*

any amount

>10mg/L

10mg/L

Lubricating Oil

BTEX and TPH

same as for fuel oils

*

 

 

 

Waste Oil




BTEX

same as for gasoline

 

 

 

 

TPH

EPA 8015B DRO C10 – C32

*

any amount

>10mg/L

10mg/L

Total Lead

EPA 3020A/7421

*

any amount

>50µg/L

50µg/L

Total Cadmium

EPA 3020A/7131A

*

any amount

>1µg/L

1µg/L

Total Chromium

EPA 3020A/7191

*

any amount

>100µg/L

100µg/L

*Test Specific

Contact: LeRoy Feusner, Department of Environmental Quality, 307-777-7096

E-mail: lfeusn@missc.state.wy.us



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