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Section §173.242: Bulk packagings for certain medium hazard liquids and solids, including solids with dual hazards

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 173.242 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
24-0006 Veolia North America Jennifer Fletcher View
20-0081 Stablex US ecology Pierre-Olivier Gagné View
19-0007 Association of American Railroads Robert E. Fronczak View
18-0151 Austin Powder Company Darrell A. Martin View
18-0110 Ascent Resources Utica, LLC Steven Parrish View
18-0043 Ventura County District Attorney's Office Mitchel Disney View
15-0072 Compliance Plus Servicves, Inc. Ms. Denise Ernest View
07-0186 SPT Technology, Inc. Ms. Mary Van Horne View
15-0005 Traffic Stripes, LLC. Mr. Paul Anderson View
10-0128R Aleris International, Inc Mr. Kenneth J. Willings View
12-0168 WR Grace Mr. Norm Stollberg View
CHI-99-002 Menominee Indian Tribe of Wisconsin (see December 5, 2000 correction) Frank A. McLellan View
17-0012 Couch Helicopter Ms. Bridgett Couch View
98-0549 Ross Trucking Co., Inc. Ms. Nancy McKnight View
10-0128 Aleris International, Inc Mr. Kenneth J. Willings View
05-0144 McCormick & Company, Inc. Mr. Timothy D. Brotzman, Sr. View
10-0055 MidAmerican Energy Holdings Company Mr. Douglas E. Lunstra View
15-0223 Lloyd's Register EMEA Mr. Nigel Tijou View