If total petroleum hydrocarbon concentrations in soil exceed 500 parts per million, the responsible person must initiate a Tier 2 assessment.
S.D. Admin. R. 74:56:05:08
General Authority: SDCL 34A-2-93, 34A-2-99, 34A-2-101, 34A-12-7.
Law Implemented: SDCL 34A-2-99, 34A-2-101, 34A-12-10.