Harris County, TX/City of Houston/Houston Port Authority

The following A2LA accreditation programs are recognized by several agencies within Texas.

Harris County, Texas

In Regulations of Harris County, Texas for the Approval and Acceptance of Infrastructure, Section 2, the Harris County Public Infrastructure Department, Engineering Division specifies that laboratories accredited by A2LA in the field of construction materials testing are acceptable for the purposes of meeting the published regulations.

City of Houston

In Standard General Requirement Section 01454, the City of Houston specifies that laboratories testing to the latest issues of ASTM standards, TxDOT methods, or other recognized test standards must be accredited by A2LA.

Port of Houston (POH) Authority

In the Contract for Construction Materials Engineering Testing and Inspection Services, the Port of Houston (POH) requires testing and inspection laboratories that perform geotechnical services under this contract to be accredited by A2LA.

The A2LA Harris County, Texas/City of Houston/Port of Houston Authority Testing Laboratory Accreditation Program is covered under the A2LA Construction Materials and Geotechnical fields of testing.

Program Requirements

  • ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories
  • Agency-specific requirements for each particular specialty program


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