§ 159.111. Pressure and vacuum pulse test.
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/us/cfr/t33/s§ 159.111·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Liquid retention components of the device with manufacturer specified venting installed must be subjected to 50 fillings of water at a pressure head of 7 feet or the maximum pressure specified by the manufacturer for operation of the device, whichever is greater, and then emptied with a 45 gallon per minute or larger positive displacement pump that remains in operation 30 seconds after emptying the tank at the end of each cycle.