| Oklahoma
Cleanup Standards for Hydrocarbon Contaminated Soil
|
Product |
Parameter/ Constituent |
Lab Test Protocol & Number* |
Detection Level |
Notification Level |
Action Level |
Cleanup Level |
|
Gasoline, Diesel and Kerosene
|
TPH |
EPA 8015 |
1mg/kg |
any amount above
action level |
>50mg/kg |
site specific RBCA
standards |
|
Benzene |
EPA 8020 |
1mg/kg |
any amount above
action level |
>0.5mg/kg
|
site specific RBCA
standards |
|
Toluene |
EPA 8020 |
1mg/kg |
any amount above
action level |
>40mg/kg |
site specific RBCA
standards |
|
Ethylebenzene |
EPA 8020 |
1mg/kg |
any amount above
action level |
>15mg/kg |
site specific RBCA
standards |
|
Xylenes |
EPA 8020 |
1mg/kg |
any amount above
action level |
>200mg/kg |
site specific RBCA
standards |
Note:
Oklahoma uses a Risk Analysis in determining cleanup standards on a
site-by-site basis.
* Whatever method is
specified must be able to detect the most stringent cleanup levels. EPA
Method 418.1 is not accepted testing method for TPH.
Contact:
Dick Oppel, Oklahoma
Corporation Commission, Underground Storage Tank Program, 405-522-5264
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