33 CFR 159.109 - Pressure test.
Any sewage retention tank that is designed to operate under pressure must be pressurized hydrostatically at a pressure head of 7 feet or to 150 percent of the maximum pressure specified by the manufacturer for operation of the tank, whichever is greater. The tank must hold the water at this pressure for 1 hour with no evidence of leaking.
Title 33 published on 03-May-2017 03:57
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 33 CFR Part 159 after this date.