Wisconsin’s Public, Environmental and Occupational Health Laboratory Since 1903 PFAS Compliance Testing COVID-19 Information about Wastewater Surveillance Avian Flu WSLH NewsFebruary 21, 2025WSLH-DNR Environmental Science Day - Feb. 26, 2025 The Wisconsin State Laboratory of Hygiene (WSLH) and Wisconsin Department of Natural Resources (DNR) will be holding a virtual (streaming via MS Teams) Environmental Science Day on February 26, […]February 21, 2025Former WSLH Director Dr. Stan Inhorn Passes AwayFormer WSLH Director and Medical Director Dr. Stan Inhorn passed on February 19, 2025. Dr. Inhorn was WSLH Assistant Director starting in 1960, becoming Director from 1966-1979. He then left […]January 08, 2025Martin Luther King, Jr. Day 2025 Holiday SchedulePlease note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Martin Luther King, Jr. Day holiday. The table below lists the […]December 10, 20242024 Holiday HoursPlease note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Christmas and New Year’s holidays. The table below lists the hours […]November 14, 2024Thanksgiving 2024 Holiday HoursThe Wisconsin State Laboratory of Hygiene will be closed on Thursday, November 28, 2024 for the Thanksgiving holiday. Our Specimen Receiving departments will observe the following hours of operation for […] WSLH News