Each operator shall have a chemical test kit for performing such field tests as pH, residual chlorine, carbon dioxide, total hardness, total alkalinity, manganese and iron.
37 Miss. Code. R. § 1-7501-17002-204
Each operator shall have a chemical test kit for performing such field tests as pH, residual chlorine, carbon dioxide, total hardness, total alkalinity, manganese and iron.
37 Miss. Code. R. § 1-7501-17002-204