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Section §173.241: Bulk packagings for certain low hazard liquid and solid 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 173.241 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
24-0006 Veolia North America Jennifer Fletcher View
21-0029 TETRA Technologies Shawn Shoemake View
18-0109 Jeffrey Cline View
18-0110 Ascent Resources Utica, LLC Steven Parrish View
18-0009 The Chemours Company Randolph Martin View
17-0093 Texas Highway Patrol David Alvarado View
14-0061 Practical Engineering Solutions, LLC Mr. Clayton George View
00-0222 Quality Carriers Mr. Charles Boudin View
10-0128R Aleris International, Inc Mr. Kenneth J. Willings View
99-0061 Rossborough Manufacturing Co. Mr. Richard S. Varga View
14-0173 Sika Corporation USA Mr. Arthur Van Houten View
10-0186 URS Corporation Ms. Erin N. Jarman View
17-0012 Couch Helicopter Ms. Bridgett Couch View
98-0548 Ross Trucking Co., Inc. Ms. Nancy McKnight View
13-0084 Chevron Products Company - Chevron Salt Lake Refinery Mr. Denton L. Schantz View
16-0032 TEN-E Packaging Services, Inc. Mr. Robert TenEnyck View
10-0128 Aleris International, Inc Mr. Kenneth J. Willings View
10-0054 National Oilwell Varco Dr. Jianke Wang View