(a) Calibrations are performed as specified in § 85.2233 of this chapter, with the exception that the calibrations performed at 72 hour intervals in § 85.2233(e) of this chapter are instead performed prior to each CST.
(b) At least monthly, or after any maintenance which could alter calibration, the calibration of the analyzer must be checked. The analyzer must be adjusted or repaired as necessary.
(c) Water traps, filters, and conditioning columns must be checked before each test, and adjusted, repaired or replaced as necessary.
(d) Other equipment used for testing must be calibrated as often as necessary in accordance with good engineering practice.
Title 40 published on 2014-07-01
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