Code of Federal Regulations Title 49. Transportation § 49.105.20 Guidance and interpretations

(1) Call the Hazardous Materials Information Center at 1–800–467–4922 (in Washington, DC, call (202) 366–4488). The Center is staffed from 9 a.m. through 5 p.m. Eastern time, Monday through Friday except Federal holidays. After hours, you can leave a recorded message and your call will be returned by the next business day.

(2) E–mail the Hazardous Materials Information Center at infocntr@dot.gov.

(3) Obtain hazardous materials safety information via the Internet at http://www.phmsa.dot.gov.

(4) Send a letter, with your return address and a daytime telephone number, to:  Standards and Rulemaking Division, Pipeline and Hazardous Materials Safety Administration, Attn:  PHH–10, U.S. Department of Transportation, East Building, 1200 New Jersey Avenue, SE., Washington, DC 20590–0001.

(1) Call the office of the Chief Counsel at (202) 366–4400 from 9 a.m. to 5 p.m. Eastern time, Monday through Friday except Federal holidays.

(2) Access information from the Office of the Chief Counsel via the Internet at http://www.phmsa.dot.gov.

(3) Send a letter, with your return address and a daytime telephone number, to:  Office of the Chief Counsel, Pipeline and Hazardous Materials Safety Administration, Attn:  PHC–10, U.S. Department of Transportation, East Building, 1200 New Jersey Avenue, SE., Washington, DC 20590–0001.

(4) Contact the Office of the Chief Counsel for a copy of applications for preemption determinations, waiver of preemption determinations, and inconsistency rulings received by PHMSA before February 1, 1997.