Section 4: Testing Personnel
CST/M&P qualifies district laboratory personnel performing IA sampling and testing, according to the "Sampling and Testing Personnel Qualification Program."
The district laboratory qualifies all other department personnel and AASHTO accredited commercial laboratory personnel performing IA sampling and testing.
Individuals performing IA sampling and testing will be other than those performing verification or QC testing.
IA sampling and testing personnel will evaluate any individual performing verification or QC sampling and testing. This evaluation includes observations and split or proficiency sample testing. Acceptable tolerance limits for the comparison of test results for split or proficiency samples are shown in "Acceptable Tolerance Limits for Independence Assurance."