Nevada Cleanup Standards for Hydrocarbon Contaminated Groundwater

Product Parameter/ Constituent Lab Test Protocol & Number Detection Level Notification Level Action Level Cleanup Level
Gasoline** Benzene EPA 624*

1µg/L

> 25 gallons or 3 cubic yards

5µg/L

5µg/L
Toluene EPA 624*

1µg/L

  

1mg/L

1mg/L
Ethylbenzene EPA 624*

1µg/L

  

0.7mg/L

0.7mg/L
Xylene EPA 624*

1µg/L

  

10mg/L

10mg/L
Diesel Benzene EPA 624*

1µg/L

> 25 gallons or 3 cubic yards

5µg/L

5µg/L
Toluene EPA 624*

1µg/L

  

1mg/L

1mg/L
Ethylbenzene EPA 624*

1µg/L

  

0.7mg/L

0.7mg/L
Xylene EPA 624*

1µg/L

  

10mg/L

10mg/L
Waste Oil BTEX EPA 624*

1µg/L

> 25 gallons or 3 cubic yards

same as above

same as above

*Other EPA approved methods are also acceptable for use.
** Interim Action Levels for MTBE are 20µg/L or 200µg/L for a site, depending on receptors and potential risk.
Note: Action and cleanup levels are MCLs

Contact: Todd Croft, Nevada Department of Conservation and Natural Resources, 702-486-2871



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