The operator shall calibrate all pressure gauges used in mechanical integrity demonstrations according to the manufacturer's recommendations. A copy of the calibration certificate shall be submitted to the director at the time of demonstration and every time the gauge is calibrated. A pressure gauge shall have a resolution so as to allow detection of at least one-half of the maximum allowable pressure change.
N.D. Admin Code 43-02-02.4-23
General Authority: NDCC 38-12-02
Law Implemented: NDCC 38-12-02