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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of February 4, 2010
TITLE 46--Shipping
CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
SUBCHAPTER O--CERTAIN BULK DANGEROUS CARGOES
PART 153--SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart A--GENERAL
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| Availability of materials. |
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| Definitions and acronyms. |
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| Incorporation by reference. |
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| Ships built before December 27, 1977 and non-self-propelled ships built before July 1, 1983: Application. |
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| Procedures for requesting an endorsed Certificate of Inspection. |
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| Foreign flag vessel endorsement application. |
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| Procedures for requesting alternatives and waivers; termination of waivers. |
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| IMO Certificates for United States Ships. |
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| Conditions under which the Coast Guard issues a Certificate of Inspection or Certificate of Compliance. |
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| Requirements for foreign flag vessel permits. |
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| Special area endorsement. |
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| Determination of materials that are hazardous. |
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Subpart B--DESIGN AND EQUIPMENT
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| Openings to accommodation, service or control spaces. |
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| Personnel emergency and safety equipment. |
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| Safety equipment lockers. |
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| Shower and eyewash fountains. |
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| Access to enclosed spaces and dedicated ballast tanks. |
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| Access to double bottom tanks serving as dedicated ballast tanks. |
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| Separation of tanks from machinery, service and other spaces. |
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| Exceptions to cargo piping location restrictions. |
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| Double-bottom and deep tanks as cargo tanks. |
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| Special requirement for an independent cargo tank. |
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| Trunks, domes, and openings of cargo tanks. |
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| Piping to independent tanks. |
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| Valving for cargo piping. |
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| Characteristics of required quick closing valves. |
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| Valving for cargo pump manifolds. |
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| Separation of piping systems. |
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| Marking of piping systems. |
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| Emergency shutdown stations. |
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| Emergency actuators at the point of cargo control. |
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| Ventilation system standards. |
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| Ventilation of spaces not usually occupied. |
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| Special cargo pumproom ventilation rate. |
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| Cargo pump discharge pressure gauge. |
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| Special cargo pump or pumproom requirements. |
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| Location of B/3 vent discharges. |
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| Location of 4m vent discharges. |
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| B/3 and 4 m venting system outlets. |
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| Venting system flow capacity. |
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| Venting system restriction. |
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| Arrangements for removal of valves from venting systems having multiple relief valves. |
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| Liquid overpressurization protection. |
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| Minimum relief valve setting for ambient temperature cargo tanks. |
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| Minimum relief valve setting for refrigerated cargo tanks. |
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| Gauges and vapor return for cargo vapor pressures exceeding 100 kPa (approx. 14.7 psia). |
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| General requirements for gauges. |
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| Standards for containment systems having required closed gauges. |
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| Standards for containment systems having required restricted gauges. |
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| Special requirements for sounding tube gauges. |
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| Heat transfer systems; general. |
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| Heat transfer coils within a tank. |
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| Heat transfer fluids: compatibility with cargo. |
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| Cargo pressure or temperature alarms required. |
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| Cargo temperature sensors. |
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| Electrical bonding of independent tanks. |
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| Static discharges from inert gas systems. |
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| Flammable vapor detector. |
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| System for discharge of NLS residue to the sea: Categories A, B, C, and D. |
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| Stripping quantity for Category B and C NLS tanks on ships built after June 30, 1986: Categories B and C. |
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| Stripping quantities and interim standards for Category B NLS tanks on ships built before July 1, 1986: Category B. |
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| Stripping quantities and interim standards for Category C NLS tanks on ships built before July 1, 1986: Category C. |
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| Restricted voyage waiver for Category B and C NLS tanks on ships built before July 1, 1986: Category B and C. |
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| Design and equipment for removing NLS residue by ventilation: Categories A, B, C, and D. |
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| Design and equipment for tanks carrying high melting point NLSs: Category B. |
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| Cargo Record Book and Approved Procedures and Arrangements Manual: Categories A, B, C, and D. |
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| Waiver of certain equipment for dedicated cargo tanks. |
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| Requirement for dry inert gas. |
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| Special requirements for extremely flammable cargoes. |
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| Special requirements for carbon disulfide. |
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| Special requirements for unusually toxic cargoes. |
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| Special requirements for alkylene oxides. |
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| Special requirements for liquid sulfur. |
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| Special requirements for acids. |
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| Special requirements for inorganic acids. |
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| Special requirements for sulfuric acid and oleum. |
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| Special requirements for hydrochloric acid. |
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| Special requirements for phosphoric acid. |
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| Special requirements for nitric acid (less than 70 percent). |
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| Special requirements for Alkyl (C7-C9) nitrates. |
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| Special requirement for temperature sensors. |
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| Special requirements for cargoes reactive with water. |
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| Examination required for a Certificate of Compliance. |
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| Procedures for having the Coast Guard examine a vessel for a Certificate of Compliance. |
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| Inspection for Certificate of Inspection. |
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Subpart C--OPERATIONS
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| Certificates and authorization to carry a bulk liquid hazardous material. |
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| Documents: Posting, availability, and alteration. |
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| Expiration and invalidation of the Certificate of Compliance. |
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| Operating a United States ship in special areas: Categories A, B, and C. |
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| Limitations in the endorsement. |
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| Regulations required to be on board. |
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| Cargo viscosity and melting point information; measuring cargo temperature during discharge: Categories A, B, and C. |
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| Completing the Cargo Record Book and record retention: Categories A, B, C, and D. |
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| Certificate of inhibition or stabilization. |
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| Cargo quantity limitations. |
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| Obstruction of pumproom ladderways. |
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| Goggles and protective clothing. |
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| Chemical protective clothing. |
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| Entry into spaces containing cargo vapor. |
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| Opening of tanks and cargo sampling. |
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| Storage of cargo samples. |
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| Standards for marking of cargo hose. |
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| Signals during cargo transfer. |
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| Warning signs during cargo transfer. |
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| Persons in charge of transferring liquid cargo in bulk or cleaning cargo tanks. |
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| Approval to begin transfer operations required. |
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| Discharge by gas pressurization. |
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| Discharge by liquid displacement. |
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| Cargo transfer conference. |
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| Preparation for cargo transfer. |
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| Transfer of packaged cargo or ship's stores. |
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| Supervision of cargo transfer. |
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| Gauging with a sounding tube. |
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| Isolation of automatic closing valves. |
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| Leaving room in tank for cargo expansion. |
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| Special operating requirements for cargoes reactive with water. |
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| Special operating requirements for heat sensitive cargoes. |
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| Prohibited carriage in deck tanks. |
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| Inhibited and stabilized cargoes. |
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| Changing containment systems and hoses to and from alkylene oxide service. |
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| Motor fuel antiknock compounds. |
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| Acetone cyanohydrin or lactonitrile solutions. |
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| Carriage of other cargoes in acid tanks. |
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| Sodium chlorate solutions. |
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| Responsibility of the person in charge. |
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| Procedures for getting a Surveyor: Approval of Surveyors. |
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| Handling and disposal of NLS residue: Cateqories A, B, C, and D. |
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| Draining of cargo hose: Categories A, B, C, and D. |
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| Heated prewash for solidifying NLS, high viscosity NLS and required prewashes of NLS whose viscosity exceeds 25 mPa sec at 20 °C: Categories A, B, and C. |
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| Prewash for tanks containing Category A NLS residue. |
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| Conditions under which a prewash may be omitted: Categories A, B, and C. |
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| Prewash for tanks unloaded without following the approved Procedures and Arrangements Manual: Categories B and C. |
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| Prewash of Categories B and C cargo tanks not meeting stripping standards: Categories B and C. |
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| When to prewash and discharge NLS residues from a prewash; unloading an NLS cargo in a country whose Administration is not signatory to MARPOL 73/78: Categories A, B, and C. |
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| Procedures for tank prewash: Categories A, B, and C. |
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| Discharges of NLS residue from tank washing other than a prewash: Categories A, B, and C. |
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| Discharges of Category D NLS residue. |
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| Discharge of NLS residue from a slop tank to the sea: Categories A, B, C, and D. |
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| Discharge of NLS residue from a cargo tank to the sea: Categories A. B, C, and D. |
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| Failure of slops discharge recording equipment; operating with, reporting failures, and replacing pollution equipment: Category A, B, C, D. |
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| Reporting spills and non-complying discharges: Category A, B, C, and D. |
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| Venting system rupture disks. |
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| Fixed ballast relocation. |
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| Inspection of personnel emergency and safety equipment. |
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Subpart D--TEST AND CALCULATION PROCEDURES FOR DETERMINING STRIPPING QUANTITY, CLINGAGE NLS RESIDUE, AND TOTAL NLS RESIDUE
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| Equipment required for conducting the stripping quantity test. |
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| Test procedure for determining the strippinq quantity. |
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| Determining the stripping quantity from the test results. |
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| Calculation of total NLS residue and clingage NLS residue. |
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| Table 2 to Part 153
--Cargoes Not Regulated Under Subchapters D or O of This Chapter When Carried in Bulk on Non-oceangoing Barges |
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