Subchapter IV - Miscellaneous Chemical Monitoring Requirements, Raw Surface Water Standards, and Certified Laboratories
- Section NR 809.70 - Secondary inorganic chemical and physical standards
- Section NR 809.71 - Sampling and analytical requirements for secondary standards
- Section NR 809.73 - Sampling and analytical requirements for other chemicals
- Section NR 809.74 - Additional requirements for public water systems which chlorinate or fluoridate water
- Section NR 809.75 - Raw surface water standards
- Section NR 809.76 - Laboratory certification
- Section NR 809.77 - Monitoring of consecutive public water systems