15 Miss. Code. R. 20-72-1.3.2
It shall be the responsibility of each supplier of water to comply with the inorganic chemical sampling/analysis requirements, analytical techniques, and water quality parameters as stipulated in the National Primary Drinking Water Regulations as published under Title 40 Code of Federal Regulations Sections 141.6, 141.23, 141.86, 141.87, 141.88 and 141.89 except that the following optional provisions of Title 40 Code of Federal Regulations are not adopted: Section 141.23(a)(4) and Section 141.88(a)(1)(iv) which allow compositing of samples. The provisions of Title 40 Code of Federal Regulations, Section 141, Subpart I - Control of Lead and Copper are hereby incorporated by reference including any subsequent amendments and editions.
15 Miss. Code. R. 20-72-1.3.2