Information and Help Topics


Instructions and Tutorial
Supplemental Forms and Worksheets

Please do not return these.  Keep with your records.

Related Site Links


Medical Information and Literature

Environmental Testing

WSLH PT is not responsible for the contents of any websites linked off our site. These links are provided as a courtesy to the organizations. Their presence on the WSLH PT website does not constitute or imply any type of endorsement or recommendation by WSLH PT, and WSLH PT assumes no responsibility for the use or accuracy of information provided.


Contact WSLH Proficiency Testing – 800-462-5261 –