ARSD 74:27:21:01. Applicability

This chapter applies to all facilities required to perform assessment monitoring pursuant to chapter 74:27:20 if any parameter monitored pursuant to § 74:27:20:02 exhibits a statistically significant increase above the groundwater protection standard specified in § 74:27:20:07. If the owner or operator demonstrates according to 40 C.F.R. Part 258, as published on 56 Fed. Reg. 51,022 to 51,028, inclusive, (October 9, 1991) that a source other than the facility caused the increase, assessment monitoring may continue.