Current Certification List
- State of Alaska, DEC
- State of Arizona
- State of Arkansas, DEQ
- State of Arkansas, DOH
- State of California – NELAP Primary AA
- State of Colorado
- State of Connecticut
- State of Florida, DEP
- Commonwealth of Kentucky
- State of Louisiana, Health and Hospitals
- State of Louisiana, DEQ
- State of Maine
- State of Michigan
- State of Mississippi
- Naval Facilities Engineering Service Center
- State of Nevada
- State of New Jersey
- State of New Mexico
- State of New York, DOH
- State of North Carolina
- State of North Dakota, DOH
- State of Oklahoma
- State of Oregon
- State of Pennsylvania
- State of South Carolina
- State of Tennessee
- State of Texas
- U.S. Army Corps of Engineers
- State of Utah
- Commonwealth of Virginia
- State of Washington
- State of Wisconsin
- State of Wyoming

