74:55:01:51.  Excursion sampling frequency. During the time when any control parameter is present in a monitor well, a water sample shall be taken at least two times a week from the well. The samples must be analyzed for all control parameters within one week after the sample is taken.

          Source: 8 SDR 71, effective December 24, 1981; 13 SDR 129, 13 SDR 141, effective July 1, 1987; transferred from § 74:03:11:51, July 1, 1996; 34 SDR 279, effective May 12, 2008.

          General Authority: SDCL 34A-2-93(15).

          Law Implemented: SDCL 34A-2-44.