A recognized laboratory is one which is operated as a nonprofit public service and is regularly engaged in the examination, testing, and evaluation as to the safety of insulation and surfacing materials; which has an established factory inspection, listing, and labeling program; and which has standards for evaluating listing and labeling which are acceptable to the Commandant. The following laboratories are recognized:
Underwriters' Laboratories, Inc.
333 Pfingston Road
Northbrook, IL 60062-2096
[CGFR 70-143, 35 FR 19967, Dec. 30, 1970, as amended by USCG-1998-4442, 63 FR 52192, Sept. 30, 1998]