The following have met the standards under Sec. 159.101-7 for listing as an independent laboratory to perform or supervise approval or productions inspections or tests of portable fire extinguishers:
(a) For dry chemical, CO2, water and foam type portable fire extinguishers:
(1) Underwriters Laboratories, Inc., mailing address: P.O. Box 247, Northbrook, Illinois 60062.
(2) Underwriters' Laboratories of Canada, mailing address: 7 Crouse Rd, Scarborough, Ontario, MIR 3A9, Canada.
(b) For halon type fire extinguishers:
(1) Underwriters Laboratories, Inc., mailing address: P.O. Box 247, Northbrook, Illinois 60062.
(2) Underwriters' Laboratories of Canada, mailing address: 7 Crouse Rd, Scarborough, Ontario, MIR 3A9, Canada.
(3) Factory Mutual Research Corporation, mailing address: 1151 Boston-Providence Turnpike, P.O. Box 688, Norwood, MA 02062. [CGD 83-050, 49 FR 7566, Mar. 1, 1984]