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Section §173.12: Exceptions for shipment of waste materials

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 173.12 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
22-0013 DuPont EHS Center of Excellence Mr. Jeffrey D. Shields View
21-0027 ACTenviro Aaron Hayward View
16-0099 Veolia North America Jennifer Eberle View
17-0108 Lockheed Martin Christian Calvo View
00-0021 Mr. Theron R. Brayman View
10-0233 Veolia ES Technical Solutions, L.L.C Ms. Jennifer Eberle View
10-0242 URS Corporation Ms. Erin N. Jarman View
09-0289 Lincoln-Lancaster County Health Department City of Lincoln Nebraska Mr. Daniel N. King View
15-0008 Recology San Francisco Mr. Billy Puk View
07-0144 General Environmental Management, Inc. Mr. Alexander Amort View
07-0024 Veolia ES Technical Solutions, L.L.C. Ms. Jennifer Eberle View
06-0145 Virginia Polytechnic Institute and State University Mr. Frank Imperatore View
13-0093 Triumvirates Environmental Mr. Patrick Hallinean View
05-0226 PTP Consulting, Inc. Ms. Carol Brozosky View
13-0102 DuPont Global Logistics Mr. Kevin M. Greene View
05-0235R Huntsman Clifford W. Lester, MSPH, CIH, EMT’B, DGSA View
00-0014 Waste Technology Services Inc. Mr. David J. Passuite View
08-0201 Triumvirate Environmental, Inc. Mr. John Menzigian View
03-0142 University of Hawaii at Mãnoa Mr. Tim O"Callaghan View
03-0077 Waste Technology Services, Inc. Mr. T.L. Nebrich, Jr. View
06-0168 Oak Ridge National Laboratory Mr. Herb Debban  View
07-0122 Triumvirate Environmental, Inc. Mr. Bret Alan Skinner View
CHI-87-004 Lawrence W. Bierlein, P.C. Gordon Rousseau View
09-0156 PSC Environmental Services, LLC Mr. James V. Levitz View
13-0008 Belshire Environmental Services, Inc. Mr. Larry Moothart View
16-0117 Pioneer Tank Lines, Inc. Mr. Larry Nielsen View
16-0129 National Cargo Bureau Mr. Edward Walker View
09-0030 Household Hazardous Waste Program Alameda County Mr. Bill Pollack View
10-0065 TSO3, Inc. Mr. Jean-Martin Vallières View
16-0201 EnviroServices & Training Center, LLC Mr. Gregory Perry View
11-0136 Recology San Francisco Mr. Billy Puk View
02-0191 University of Hawai'i at Manoa Tim O'Callaghan View
08-0271 Minnesota Pollution Control Agency Ms. Teresa Gilbertson View
03-0266 The Sherwin-Williams Company Ms. Sarah L. Basham View