Wis. Stat. § 254.167: Conduct of lead investigation.

Subject to the limitation under s. 254.174, the department may promulgate rules establishing procedures for conducting lead investigations of dwellings and premises. The rules promulgated under this section may include the following:

(1) Specific procedures for investigating, testing or sampling painted, varnished or other finished surfaces, drinking water, household dust, soil and other materials that may contain lead.

(2) Specific procedures for the notification of owners, operators, occupants or prospective occupants, mortgagees and lienholders of lead levels identified during a lead investigation and of any health risks that are associated with the lead level and condition of the lead found during the lead investigation.

(3) The form of lead investigation reports, the requirements for filing the reports with the department and the procedures by which members of the public may obtain copies of lead investigation reports.

(4) Requirements for the posting of warnings, where appropriate, of the presence of a lead hazard.