§ 142.60 Variances from the maximum contaminant level for total trihalomethanes
§ 142.61 Variances from the maximum contaminant level for fluoride
§ 142.62 Variances and exemptions from the maximum contaminant levels for organic and inorganic chemicals
§ 142.63 Variances and exemptions from the maximum contaminant level for total coliforms
§ 142.64 Variances and exemptions from the requirements of part 141, subpart H–Filtration and Disinfection
§ 142.65 Variances and exemptions from the maximum contaminant levels for radionuclides