Section R. 325.1640 - Certification of water well componentsRule 140.
(1) Water supply system components that are in contact with groundwater must be free of materials that may adversely affect the aquifer or water pumped from the well and must not support microbiological growth.(2) After the effective date of this rule, an individual shall not use the following water well components unless they are in compliance with or surpass ANSI/NSF standard 14, 60, or 61, ASTM specification C 150, ASTM Specification C 595, or section 10 of API specification 10, as adopted by reference in R 325.1610: (a) Drilling fluids, grouts, and casing sealing materials.(b) Additives to drilling fluids, grouts, and casing sealing materials.(c) Pipe joint compounds, thread cutting oils, gasket sealants, or coatings on steel pipe.(d) Solvent cements, primers, cleaners, or other compounds that are used with PVC pipe.(e) Bladders, diaphragms, coatings, or lining materials that are in contact with water in a pressure or storage tank.(f) Chemicals that are used for the development, maintenance, treatment, disinfection, or rehabilitation of a water well, except for sodium hypochlorite or calcium hypochlorite.(3) Acceptable water well components under ASTM specification C 595 are limited to the classification of product commonly known as Type IL-Portland-limestone cement.Mich. Admin. Code R. 325.1640
1994 AACS; 2023 MR 10, Eff. 5/26/2023