Section 3: Quality Control Sampling and Testing
Contractor-performed QC sampling and testing may be used as part of an acceptance decision when required or allowed by specification.
These QC sampling and testing personnel, laboratories, and equipment shall be qualified according to the "Sampling and Testing Personnel Qualification Program" and the "Laboratory Qualification Program" and shall be evaluated under the "Independent Assurance Program" in this manual.
These QC test results shall be validated by verification test results obtained from independently taken samples. Qualified TxDOT personnel or their designated agents shall perform verification sampling and testing.