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Western Region
Map of the Western Region showing the states previously listed
Alaska, American Samoa, Arizona, California, Colorado, Commonwealth of Northern Mariana Islands, Guam, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming

 

PHMSA Hazardous Materials Safety
Western Region Office

3401 Centrelake Drive
Suite 550B
Ontario, CA  91761
909-937-3279
909-390-5142 (Fax)

PHMSA Pipeline Safety
Western Region Office

12300 W. Dakota Ave
Suite 110
Lakewood, CO  80228
720-963-3160 
720-963-3161 (Fax)

The Western Regional Office, based in Ontario, California, is comprised of personnel from the Office of Hazardous Materials Safety and the Office of Pipeline Safety. The offices are charged with overseeing the safe and secure movement of daily shipments of hazardous materials by all modes of transportation, as well as ensuring the safe, reliable, and environmentally sound operation so of the nation's pipeline infrastructure.

The area of responsibility for this region is listed above; however, the jurisdiction of PHMSA staff is nationwide and not limited to their regional area of responsibility.

Hazardous Materials Safety Office:
Ontario, California
Personnel
  • Chief: Scott Simmons
  • Senior Investigator: Mike Khayata
  • Investigators: Laura Kwilinski, Shelly Negrete, Kameron Walch, Wendell Woodson
  • Administrative Support Assistant: Jane Gaona
Initiatives and Training Outreach:  Hazmat Safety Assistant Team (HMSAT)

Transportation Specialist:
Pat Romero, (909) 937-7224

Request your HMSAT Regional representative to provide assistance with HMR compliance and training by selecting the appropriate form.

How to file a complaint with PHMSA's Office of Hazardous Materials Enforcement

For a listing of all other personnel, please see the Hazmat Organizational Chart (PDF)

Pipeline Safety Office:
Lakewood, Colorado
Personnel
Outreach: Community Assistance and Technical Services (CATS):

Kimbra Davis, 720-963-3160
Ross Reineke, 720-963-3160

Western Region Compliance Actions

Last Updated: Apr 21, 2008
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