In addition to the information required by § 98.3(g) , you must retain the calibration records for all monitoring equipment, including the method or manufacturer's specification used for calibration.
40 C.F.R. §98.357
In addition to the information required by § 98.3(g) , you must retain the calibration records for all monitoring equipment, including the method or manufacturer's specification used for calibration.
40 C.F.R. §98.357