1VAC30-45-813: Air testing: method evaluation

In order to ensure the accuracy of the reported result, the following procedures shall be in place:

1. Demonstration of capability shall be performed prior to the analysis of any samples and with a significant change in instrument type, personnel, quality system matrix, or test method.

2. Calibration. Calibration protocols specified in 1VAC30-45-740 shall be followed.

3. Proficiency test samples. The results of such analyses shall be used by the laboratory to evaluate the ability of the laboratory to produce accurate data.