WSLH Environmental PT Programs are Accepted by:

• Wisconsin Department of Natural Resources (DNR)
• Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP)

WSLH Proficiency Testing has been a provider of environmental proficiency testing samples since 1986, helping laboratories meet Wisconsin certification and registration requirements. WSLH PT provides certification and quality assurance samples for inorganic chemistry of potable and non-potable water and water microbiology. The chemistry samples will satisfy the proficiency testing requirements of Wisconsin Administrative Code NR 149 and the water microbiology samples will satisfy the requirements of Wisconsin Administrative Code ATCP 77. WSLH is Wisconsin's' public health laboratory providing environmental and clinical services to support and protect the environment and health of the citizens of the state. As a department with the University of Wisconsin-Madison, it has more than 80 years of environmental testing experience and more than 40 years of experience providing quality proficiency testing services. This wealth of expertise provides superior assistance to help laboratories address regulatory, quality assurance and other technical issues.

Clinical programs are also provided by WSLH PT.