# United States Enrichment Corporation — Hazardous Materials Safety Interpretation

**Citation:** 05-0115  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2005-07-27

05-0115 response to United States Enrichment Corporation concerning 172.302, 172.310.

## Document text

<<<PAGE 1>>>

of Transportation
U.S. Department
JUL 27 2005
400 Seventh Street, S.W.
Washington, D.C. 20590
Pipeline and
Hazardous Materials Safety
Administration
Mr. Don McCarty
Reference No.: 05-0115
Jnited States Enrichment Corporation
Manager, Packaging and Transportatior
P.O. Box 628
Piketon, OH 45661
Dear Mr. McCarty:
This is in response to your April 28, 2005, letter requesting clarification of the Hazardous
Materials Regulations (HMR; 49 CFR Parts 171-180) regarding the marking requirements for
other than a DOT 7A Type A specification packaging and to Department of Energy (DOE) or
Nuclear Regulatory Commission (NRC) certified Type B packagings used to transport
radioactive materials and wastes. Specifically, you ask whether non-specification radioactive
materials packages meeting the requirements in § 172.302 and other relevant sections of
Subpart D are required to be marked with the United Nations identification number on an
orange panel.
The answer is yes. The general bulk package markings required by 49 CFR 172.302 (i.e.
identification numbers on orange panels or placards, etc.) must be applied to all specification or
non-specification packages of radioactive material when these packages are marked to meet 49
CFR 172.301, 172.310 and other relevant sections of Subpart D.
I trust this information is helpful.
Sincerely,
Hallez. mitchell
Hattie L. Mitchell
Chief, Regulatory Review and Reinvention
Office of Hazardous Materials Standards
172.302
172.310
050115

<<<PAGE 2>>>

webb
$ 172.302
~ USEC
§172-310
A Global Energy Company
Marking
05-0115
April 28, 2005
400 7" Street, S. W.
Edward T. Mazzullo, Director DHM-10
Washington, DC 20590-0001
Dear Mr. Mazzullo:
This letter is to request a clarification of the Hazardous Materials Regulation
(HMR; 49 CFR Parts 171-180) regarding the marking requirements for other than a DOT
7A Type A specification packaging and to Department of Energy (DOE) or Nuclear
Regulatory Commission (NRC) certified Type B packaging used to transport radioactive
materials and wastes. Do all non-specification radioactive packages that meet the
definitions in 49 CFR 172.302, and other relevant sections of Subpart D, have to be
marked with the United Nations identification numbered orange panel?
USEC is sighting the attached letter dated September 10, 2001, Reference No. 01-
0153. This letter speaks only to certified packages. My question includes, but is not
limited to, waste boxes, 48X and 48Y cylinders, and cylinders shipped as waste or any
other radioactive package that meets both the definition of a bulk package, 49 CFR 171.8
and a radioactive package. In 2001, the HMR was silent on how the packages are
defined. Has this changed or will it change in the future to make the definition more
easily understood?
Thank you for your consideration of this letter and if you have any questions
regarding my letter, please contact me at 740-897-2668.
Thank You,
Don Micat
Don McCarty, Manager
Packaging and Transportation
DLM:ccb
Attachment
United States Enrichment Corporation
Portsmouth Gaseous Diffusion Plant
P.O. Box 628, Piketon, OH 45661

<<<PAGE 3>>>

ULS. Department
Ressarch and
of Transportation
Washinx#on, D.C. 20580
400 Soventh St, 5.WC
Spadial Programs
Administration
SEP 1 0 2001
Mr. J. Kent Harcock
Acting Director, Office of Transportation
Refereze No.: 01-0153
United Stares Department of Energy
Office of Environmental Management
Washington, DC 20590-0001
Dear Mr. Hancock:
Materiais Regulations (HMIR; 49 CFR Parts 171-180) regarding the marking requirements for
This is in response to your June 14, 2001, letter requesting clarification of the Hazardous
Nuclear Regulatory Commission (NRC) certified Type B packagings used to transport
shipmenis of DOT 7A Type A specification packaging aad to Dcpartment of Energy (0OE) or
radioactive materials and wastes. Specifically, you ask whether DOE sites must apply the
general bulk package markings required by 49 CFR 172.302 (i.c. identification numbers on
orange panels ar placards, eta.) to Type A or Type B packages of radioactive material when.
Subpart D.
these packages: (a) aro marked to meet 49 CFR 172.301, 172.310 and other reloyant sections of
The marking and labeling roquirements for these packages depend on wheter tbey are
these packages are dofined. It has been this office position to define these packages as meeting
construed to be bulk or non-bulk packagings. Currently, th HIMR is silent in regards to how
packaging comaining a hazardous material shall be marked with the proper shipping name and
the definition of a non-bulk packaging, Accondingly, § 172,301 staten that a non-bulk
the identification nuraber. However, we would accept a package marked as prescribed for a
bulk package.
I trust this information is helpful.
Sincerely,
tatte z. mitchelp
Hattie L. Mitchell
Office of Hazardous Materials Standards
Chief, Regulatory Revicw and Reinvotion

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2005/050115.pdf>
- Source ID: `phmsa`
- SHA-256: `aeb1b1bb07b0b6a4d59cb27313450502bb9745b38b74c9e25405434ee70d3578`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-23T10:58:26.292Z
- Document slug: `phmsa-interpretation-05-0115`

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