OAR 340-122-0320: Cleanup Rules for Leaking Petroleum UST Systems: Soil Matrix Cleanup Options

A responsible person may elect to clean up petroleum contaminated soils according to the procedures and standards set forth in OAR 340-122-0320 through 340-122-0360. For purposes of the soil matrix cleanup rules, “cleanup” means excavation and offsite disposal, or treatment, of contaminated soils. When using the numeric soil cleanup standards specified in these rules, the responsible person has the option of: (1) Cleaning up the site as specified in these rules to the numeric soil cleanup standard defined as Level 1 in OAR 340-122-0335(2); or (2) Evaluating the site as specified in OAR 340-122-0325 to determine the required Matrix cleanup level, and then cleaning up the site as specified in these rules to the numeric soil cleanup standard defined by that Matrix cleanup level.