Welcome to the WSLH


The Wisconsin State Laboratory of Hygiene (WSLH) is the state’s public, environmental and occupational health laboratory. As part of the University of Wisconsin-Madison and as an¬†auxiliary unit reporting to the University of Wisconsin School of Medicine and Public Health, the WSLH is committed to exploring new ideas which benefit the state, the nation and the world. Through analytical services, research and development, public health programs, laboratory proficiency testing, and training and education of students and professionals, the WSLH’s work is vital to Wisconsin’s and the nation’s public and environmental health.