R 325.1631b Construction of wells; PVC casing material standards.

Rule 131b. (1) PVC pipe that is used as permanent casing shall be new pipe that is in compliance with ASTM specification F 480-90, which is adopted by reference in R 325.1610. (2) Each length of PVC pipe that is used as permanent well casing shall be legibly marked, by the manufacturer, with all of the following information: (a) The nominal pipe size. (b) The standard dimension ratio (SDR). (c) The type of plastic (PVC 1120 or PVC 1220). (d) The wording "well casing." (e) The impact classification (IC). (f) A designation that the pipe is in compliance with the provisions of ASTM specification F 480-90. (g) The manufacturer's name or trademark. (h) The manufacturer's code for resin manufacture. (i) The lot number and date of manufacture. (j) A certification mark that verifies that the pipe is in compliance with the provisions of ANSI/NSF standard 14. (3) Casing pipe that is manufactured from thermoplastic materials other than PVC shall be in compliance with the provisions of ASTM specification F 480-90, which is adopted by reference in R 325.1610, and shall be used only with the written prior approval of the director.