| 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 Remediation Index 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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