[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: 33CFR157.15]

[Page 466]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 157--RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO 
TANK VESSELS CARRYING OIL IN BULK--Table of Contents
 
             Subpart B--Design, Equipment, and Installation
 
Sec. 157.15  Slop tanks in tank vessels.

    (a) Number. A tank vessel must have the following number of slop 
tanks that comply with the requirements of this section:
    (1) A new vessel of less than 70,000 tons DWT and an existing vessel 
must have at least one slop tank.
    (2) A new vessel of 70,000 tons DWT or more must have at least two 
slop tanks.
    (b) Capacity. Slop tanks must have the total capacity to retain oily 
mixtures from cargo tank washings, oil residue, and ballast water 
containing an oily mixture of 3 percent or more of the oil carrying 
capacity. Two percent capacity is allowed if there are--
    (1) Segregated ballast tanks that meet the requirements in Sec. 
157.09, Sec. 157.10, Sec. 157.10a, or Sec. 157.10b; or
    (2) No eductors arrangements that use water in addition to the 
washing water.
    (c) Design. A slop tank required in this section:
    (1) Must minimize turbulence, entrainment of oil, and the creation 
of an emulsion by the use of separate inlet and outlet connections; and
    (2) May carry bulk oil when not being used as a slop tank.

[CGD 74-32, 40 FR 48283, Oct. 14, 1975]

    Editorial Note: For Federal Register citations affecting Sec. 
157.15, see the List of CFR Sections Affected, which appears in the 
Finding Aids section of the printed volume and on GPO Access.