HMRs
HMRs means:
(1) The Federal Hazardous Materials Regulations under subparts F and G of part 107, and parts 171, 172, 173, 177, 178, and 180 of this title; and
(2) Applicable standards and orders issued under these provisions.
Source
49 CFR § 350.105
Scoping language
Unless specifically defined in this section, terms used in this part are subject to the definitions in 49 CFR part 390. As used in this part: