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173.302a

Section §173.302a: Additional requirements for shipment of nonliquefied (permanent) compressed gases in specification cylinders

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:

https://www.phmsa.dot.gov/about-phmsa/phmsa-faqs.

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: pipeline_interp_submittal@dot.gov. 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 PHMSA.Webmaster@dot.gov.

View section 173.302a on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
19-0049 Linde Gas North America Billy Stover View
17-0035 Mr. Jared Sherman View
11-0151 National Aquatic Service, Inc. Mr. Michael Druce View
09-0265 Air Liquide America Specialty Gases LLC Mr. Ralph Diaz View
02-0080 Allied Universal Corp. Robin J. Eddy Bolte View
14-0004 HMT Associates, L.L.C. Ms. Patricia Quinn View
08-0135 Safety & Compliance Associates, Inc. Mike Lopez, JD View
03-0011 Mr. John L. Hoffer View
13-0042 City Machine and Welding, Inc. Mr. Kent Carroll View
11-0052 Honeywell Inc. Ms. Claire Matlon View