§151.03-49. Sounding tube.
46 C.F.R. § 151.03-49
This is an unperforated tube fitted to an ullage hole, secured so as to be vapor tight to the underside of the tank top open at the bottom, and extending to within 18 inches or less of the bottom of the tank.
Notes, amendments, and revision history
Authority
Authority: 33 U.S.C. 1903; 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1.
Source
Source: CGFR 70-10, 35 FR 3714, Feb. 25, 1970, unless otherwise noted.