§51.359. Quality control. — Inbound Citations

(b) At a minimum, the program shall gather and report the results of the quality control checks required under § 51.359 of this subpart, identifying each check by station number, system number, date, and start time. The data report shall also contain the concentration values of the calibration gases used to perform the gas characterization portion of the quality control checks (where applicable).

(B) Other major deficiencies as described in the proposal must also be corrected in 40 CFR 51.351 (Enhanced I/M Performance Standard), § 51.354 (Adequate Tools and Resources), § 51.357 (Test Procedures and Standards), § 51.359 (Quality Control), and § 51.363 (Quality Assurance). The Commonwealth, committed in a letter dated March 3, 1997 to correct these deficiencies within one year of conditional interim approval by EPA.