ARSD 74:02:04:44. Thermoplastic casing installation requirements

The driller shall be knowledgeable of heat of hydration and thermoplastic hydraulic collapse pressure limits listed in ASTM Standard F 480-90e and the "Manual on the Selection and Installation of Thermoplastic Water Well Casing," 1980. When using thermoplastic casing to construct a well, the driller shall install the thermoplastic casing in a manner that does not exceed the casing hydraulic collapse resistance.