R 299.2395 Calibration of pressure gauges.

Rule 2395. A permittee 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 supervisor of mineral wells 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 1/2 of the maximum allowable pressure change.