Wyoming Storage Tank Remediation (STR) Program

The Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD), Storage Tank Guidance Document Number 8 requires that testing laboratories performing work for the Storage Tank Remediation (STR) Program must be A2LA accredited.

The scope of the program covers specific U.S. Environmental Protection Agency (EPA) methods for organizations that are registered with the State of Wyoming and authorized to do business in Wyoming. To be certified by the STR Program to perform analytical testing, organizations must provide evidence of their current accreditation from A2LA to the WDEQ/WQD requirements.

This specialty program is covered under A2LA's environmental field of testing.

Program Requirements

  • ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories
  • A2LA-specific requirements that reflect the WDEQ/WQD requirements


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