§ 141.21 - Coliform sampling.

§ 141.22 - Turbidity sampling and analytical requirements.

§ 141.23 - Inorganic chemical sampling and analytical requirements.

§ 141.24 - Organic chemicals, sampling and analytical requirements.

§ 141.25 - Analytical methods for radioactivity.

§ 141.26 - Monitoring frequency and compliance requirements for radionuclides in community water systems.

§ 141.27 - Alternate analytical techniques.

§ 141.28 - Certified laboratories.

§ 141.29 - Monitoring of consecutive public water systems.

§ 141.30 - Total trihalomethanes sampling, analytical and other requirements.

Appendix A to Subpart C of Part 141 - —Alternative Testing Methods Approved for Analyses Under the Safe Drinking Water Act