Section NR 809.73 - Sampling and analytical requirements for other chemicals(1) OTHER CHEMICAL TESTING. If the department determines that the public health, safety or welfare requires testing for chemical or physical constituents in water which are not contained in this chapter, the department may order such testing as it deems necessary.(a) The department shall provide public notice and an opportunity for public hearing within 90 days after any order under this subsection.(b) Hearings under this subsection shall be class 1 hearings and shall be held in accordance with ch. 227, Stats.(c) Such testing shall be done at a laboratory certified or registered by EPA or under ch. NR 149 as the department may require on a case-by-case basis.(2) TREATMENT CONTROL TESTING. Testing for other constituents shall be performed at public water systems as determined necessary by the department for design and control of treatment processes for contaminants which may affect public health or welfare. Such testing shall be done at a laboratory certified or registered by EPA or under ch. NR 149 as the department may require on a case-by-case basis.Wis. Admin. Code Department of Natural Resources NR 809.73
CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.