# Neiman Marcus Direct — Hazardous Materials Safety Interpretation

**Citation:** 99-0297  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1999-11-19

99-0297 response to Neiman Marcus Direct concerning 173.306.

## Document text

<<<PAGE 1>>>

US. Department
400 Seventh Street, S.W.
of Transportation
Washington. D.C.
20590
Research and
Special Programs
Administration
NOV 19 1999
Mr. Frank Ramirez
Ref. No.
99-0297
Neiman Marcus Direct
111 Customer Way
Irving, TX
75039
Dear Mr. Ramirez:
This is in response to your letter dated October 28, 1999,
regarding inner container pressure requirements for limited
quantities of compressed gasses
under the Hazardous Materials
Regulations (HMR; 49 CFR Parts 171-180). Specifically you ask
if an inner container meeting the requirements under
$ 173.306 (a) (1) may be charged to a pressure exceeding 180
psig at 130°F.
The answer is yes.
Inner containers shipped under the
provisions of $ 173.306(a) (1) have no pressure limits.
I hope this satisfies your request.
Sincerely,
Deman Blings
Office of Hazardous Materials Standards
Chief, Standards Development
173.306%
990297

<<<PAGE 2>>>

DIRECTOR OF DISTRIBUTION
FRANK RAMIREZ
972-401-6694 (OFFICE)
972-401-6764 (FAX)
Neiman Marcus Direct
214992-5681 (PAGER)
BAH
173:300
Facsimile
99-0297
To:
Edward Mazzullo
Director OHMS
US DOT / RSPA (DHM-10)
400 7th Street S.W.
Washington, D.C. 20590
•. From: FRANK RAMIREZ
@Fax: 202-365-3012
Date: 10/28/99
Consumer Commodity
Pages: 1, including this
Mr. Mazzullo,
I am reviewing the mailability of a product described as a screwless wine opener and refills
class/division is 2.2. ID number is UN3159. It is a nonflammable gas. The product qualifies as
(15 grams) which contain the chemical 1,1,1,2 Tetraflouroethane or refrigerant gas R134A. The
a Consumer Commodity ORM-D. One question I have is in the interpretation of CFR49 173.306
(a) (3) (ii), which states "pressure in the container must not exceed 180 psig at 130 degrees F."
The product has a psig of 198.7 at 130 degrees F.
I talked to Arthur at the DOT 800 number. He clarified the fact that in paragraph (h) of ;
section 173.306 that the product in limited quantity conforms with (a) (1) allowing (a) (3) (ii) to
be a non-issue.
Mr. Mazzullo, I would appreciate a confirmation letter from your office of this fact for my,
files. Please fax it to my attention at 972-401•6764. If you require any additional information,
please call me at 972.401.6694.
Per conve a/ Arther Polloch,
Sincerely,
the can tiner is less the a fled
Ot and is ships and 173.60l.

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990297.pdf>
- Source ID: `phmsa`
- SHA-256: `f4e2df4ec2711315a5a326dc98bc68eb867a267bb33dbc12039a18f65cd940cb`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-25T00:32:07.875Z
- Document slug: `phmsa-interpretation-99-0297`

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