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Section §171.12: North American Shipments

Below are the available interpretations and guidance for the given section. To return to the list of parts, use the Parts link above. If you do not see any guidance or interpretation information below, that means there is none available for the given part/section. Return to the search page to browse additional regulations sections.

PHMSA has published several Frequently Asked Questions (FAQ) documents on regulatory topics. Please review our FAQ documents below:

Additionally PHMSA has Hazardous Materials FAQs based on letters of interpretation on the following topics:

This section of the website provides the ability to find regulations information including regulations parts, content of sections, and interpretations for regulations sections. Below is a list of parts, identified by the part number and subject. To browse sections by part, click on the subject link below. You will be taken to the eCFR website to view sections for a part.

A written regulatory interpretation, response to a question, or an opinion concerning a pipeline safety issue may be obtained by submitting a written request to the Office of Pipeline Safety (PHP–30), PHMSA, U.S. Department of Transportation, 1200 New Jersey Avenue SE., Washington, DC 20590–0001 or at the email address: In addition to email address, the requestor must include his or her return address and should also include a daytime telephone number. Requests should be submitted at least 120 days before the time the requestor needs a response.

Note: electronic submission is provided as alternative to the 49 CFR Part 190.11(b) mail-in requirement.

The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to

View section 171.12 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
21-0062 Institute of Makers of Explosives Susan JP Flanagan View
17-0136 HSSE Consulting Services Inc./NATC Inc. Len Comtois View
17-0111 Institute of Makers of Explosives Susan JP Flanagan View
06-0078 Air Products and Chemicals, Inc. Mr. Don Silfies View
99-0159 Sea-Land Services, Inc. Mr. Prabhu Natarajan View
06-0089 Global EnviroServices Corp. Mr. Kevin J. Swinden View
99-0163 Metropolitan Environmental, Inc. Mr. Thomas W. Moline View
11-0297 Linde Gas North America, LLC Mr. Guy Dalton    View
02-0175 Gulf States Intermodal Ned Williams View
05-0259 Akzo Nobel Chemicals Mr. Mark A. Connolly View
10-0187 Schlumberger Technology Corporation Mr. Paul Lezak View
08-0187 Crown Holdings, Inc. Ms. Maria L. Evangelista View
15-0166 ICC Compliance Center Ms. Sändra Miller View
17-0044 Laidlaw Carriers Tank LP Mr. Jim O'Hara View
03-0091 NRS America Inc. Mr. Domenico Masi View
14-0210 Brian Kurtz Trucking Ltd. Mr. David Skater View
03-0095 Steptoe & Johnson Mr. David H. Coburn View
12-0032 MT Associates, L.L.C. Mr. E. A. Altemos View
06-0057 Akzo Nobel Chemicals Inc. Mr. Mark A Connolly View
10-0259 Airgas SAFECOR. Mr. Jon Anderson View
06-0074 Hyundai America Shipping Agency Mr. Herb Giles View
13-0214 3M Mr. Todd Strobe View
08-0301R APL Americas Region Mr. Calvin Faulkner View
11-0297R Linde Gas North America, LLC Mr. Guy Dalton View
10-0005 Mr. Frits Wybenga View
09-0053 Trimac Transportation & National Tank Truck Carriers, Inc. Mr. Rattan Bahia & Mr. John Conley View
01-0274 Advance Engineered Products Ltd. Mr. Rattan Bahia View
04-0022 Department of the Army
Military Surface Deployment and Distribution Command Operations Center
Major Mark P. Wyrosdick View
01-0051 Zhen Hua Trading Limited Mr. Charles Ho View
04-0074 Briggs & Stratton Mr. John Mourand View
08-0150 Mr. William J. Briner View
06-0237 Ms. Dorothea A. Welk  View
01-0069 Eastman Kodak Company Mr. Carl Spurchise View
04-0219 MOL America, Inc Ms. Fumie Sloan View
01-0259 HMT Associates, L.L.C. Mr. E. A. Altemos View