74:02:04:52.  Requirements for centralizers. Casing centralizers, designed to create minimum obstruction in the annulus, are required at sufficient intervals to center the casing in the drill hole when casing will be grouted. One centralizer is required near the bottom of each size of grouted casing. Centralizer and casing materials must be compatible. Centralizers shall be designed to provide a uniform annulus and to minimize grout channeling and to allow the grout to completely surround the casing.

          Source: SL 1975, ch 16, § 1; transferred from § 52:01:02:08, effective July 1, 1979; transferred from § 74:02:02:08, 12 SDR 50, effective September 29, 1985; 13 SDR 129, 13 SDR 141, effective July 1, 1987; 18 SDR 224, effective July 16, 1992.

          General Authority: SDCL 46-2-5, 46-6-20.

          Law Implemented: SDCL 46-6-20.

          74:02:04:52.01.  Requirements for packers. Packers must be of a material that will not deteriorate or impart taste, odors, toxic substances, or bacterial contamination to the water in the well.

          Source: 18 SDR 224, effective July 16, 1992.

          General Authority: SDCL 46-2-5, 46-6-6.1, 46-6-10, 46-6-20.

          Law Implemented: SDCL 46-2-9, 46-6-6.1, 46-6-10, 46-6-20.