[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR159.109]

[Page 528]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 159--MARINE SANITATION DEVICES--Table of Contents
 
              Subpart C--Design, Construction, and Testing
 
Sec. 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.