ABSOLUTE STANDARDS INC
PO Box 5585, Hamden, CT 06518
customerserv@absolutestandards.com
+1 (800) 368-1131

Drinking Water (WS-SDWA)

Accreditation Analytes
Below is a listing of the approved drinking water (potable water) fields of proficiency testing (FoPT) analytes and acceptance limits for all analytes. (Files available at The NELAC Institute)

Waste Water (WP-CWA)

Accreditation Analytes
Below is a listing of the approved wastewater or non-potable water fields of proficiency testing (FoPT) analytes and acceptance limits. (Files available at The NELAC Institute)

Soil (RCRA)

Accreditation Analytes
Below is a listing of the approved solid and chemical materials (SCM) fields of proficiency testing (FoPT) analytes and acceptance limits. (Files available at The NELAC Institute)