162.039-5—Recognized laboratory.
(a)
A recognized laboratory is one which is regularly engaged in the examination, testing, and evaluation of semi-portable fire extinguishers; which has an established factory inspection, listing, and labeling program; and which has special standards for listing and labeling as a “marine type” semiportable fire extinguisher acceptable to the Commandant as approved for use on merchant vessels and motorboats. The following laboratories are recognized, and the semiportable fire extinguishers bearing their “marine type” labels are approved for use on merchant vessels and motorboats:
(1)
Underwriters' Laboratories, Inc., mailing address: Post Office Box 247, Northbrook, Ill., 60062.