What are DEQs “action levels”?
The term “action level” may have different meanings depending upon the individual and the context. Within the DEQ Storage Tank Program, “action levels” are mostly related to : (a) reporting requirements; and (b) clean-up levels or requirements. Reporting Requirements Owners and operators of regulated USTs are required to report suspected or confirmed releases to DEQ within 24 hours of discovering the release. Persons closing regulated USTs must report the following concentrations to DEQ: a.) a TPH concentration in soil that is greater than or equal to 100 mg/kg b.) a TPH concentration in water that is greater than or equal to 1 mg/l c.) the concentration of any regulated substance that exceeds the detection limit for that substance Persons closing ASTs having a capacity of greater than 660 gallons of oil must report the following concentrations immediately upon receiving analytical results: a.) a TPH concentration in soil that is greater than or equal to 100 mg/kg b.) a TPH concentrati
