Pipeline and Hazardous Materials Safety Administration (U.S. Department of Transportation)
Governmental » Transportation
Photographer's Mate (microfilm) Seaman Apprentice
Governmental » Navy
Pipeline and Hazardous Materials Safety Administration
Community » Law & Legal
PHMC - PHMK - PHMM - PHMO - PHMS - PHMU - PHN - PHNA - PHNC - PHNF
"PHMSA." Abbreviations.com. STANDS4 LLC, 2015. Web. 27 Nov. 2015. <http://www.abbreviations.com/PHMSA>.