INSPECTION OF VESSELS 93 



(6) (a) It shall be unlawful knowingly to transport, carry, con- 

 vey, store, stow, or use (except as fuel for its own machinery) on board 

 any vessel, except one specifically exempted by paragraph (b) of this 

 subsection, any other explosives or other dangerous articles or sub- 

 stances, including inflammable liquids, inflammable solids, oxidizing 

 materials, corrosive liquids, compressed gases, poisonous articles or 

 substances, hazardous articles, and ships' stores and supplies of a 

 dangerous nature, except as permitted by the regulations of the Com- 

 mandant of the Coast Guard established hereunder: Provided^ That 

 all of the provisions of this subsection relating to the transportation, 

 carrying, conveying, storing, stowing, or use of explosives or other 

 dangerous articles or substances shall apply to the transportation, 

 carrying, conveying, storing, stowing or using on board any pas- 

 senger vessel of any barrels, drums, or other packages of any com- 

 bustible liquid which gives off inflammable vapors (as determined 

 by flash-point in open cup tester as used for test of burning oil) at or 

 below a temperature of one hundred and fifty degrees Fahrenheit 

 and above eighty degrees Fahrenheit. 



(b) This subsection shall not apply to — 



(i) vessels not. exceeding fifteen gross tons when not engaged 

 in carrying passengers for hire ; 



( ii ) vessels used exclusively for pleasure ; 



(iii) vessels not exceeding five hundred gross tons while en- 

 gaged in the fisheries ; 



(iv) tugs or towing vessels: Provided^ however^ That any such 

 vessel, when engaged in towing any vessel that has explosives, in- 

 flammable liquids, or inflammable compressed gases on board on 

 deck, shall be required to make such provisions to guard against 

 and extinguish fire as shall be prescribed by the Commandant of 

 the Coast Guard ; 



(v) cable vessels, dredges, elevator vessels, fireboats, ice break- 

 ers, pile drivers, pilot boats, welding vessels, salvage and wrecking 

 vessels ; 



(vi) inflammable or combustible liquid cargo in bulk: Pro- 

 vided^ hcnoever, That the handling and stowage of any inflammable 

 or combustible liquid cargo in bulk shall be subject to the provisions 

 of section 391a of this title. 



(7) In order to secure effective provisions against the hazards of 

 health, life, limb, or property created by explosives or other danger- 

 ous articles or substances to which subsection (3), (5), or (6) of this 

 section apply — 



(a) The Commandant of the Coast Guard shall by regulations 

 define, describe, name, and classify all explosives or other dangerous 

 articles or substances, and shall establish such regulations as may be 

 necessary to make effective the provisions of this section with respect 

 to the descriptive names, packing, marking, labeling, and certification 

 of such explosives or other dangerous articles or substances ; with re- 

 spect to the specifications of containers for explosives or other danger- 

 ous articles or substances ; with respect to the marking and labeling of 

 said containers; and shall accept and adopt for the purposes above 

 mentioned in this subsection such definitions, descriptions, descriptive 

 names, classifications, specifications of containers, packing, marking. 



