74:56:05:08Soils exceeding 500
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
parts per million total petroleum hydrocarbons. If total petroleum hydrocarbon concentrations in soil exceed 500 parts per million, the responsible person must initiate a Tier 2 assessment.
Source: 22 SDR 86, effective December 18, 1995; transferred from § 74:03:33:08, July 1, 1996