# Diamond Products Company — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 03-0015
- **title:** Diamond Products Company — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2003-04-11
- **effective on:** Not available
- **summary:** 03-0015 response to Diamond Products Company concerning 173.306.
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- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2003/030015.pdf
**body:**

<<<PAGE 1>>>

of Transportation
U.S. Department
Research and
APR 11 2003
400 Soventh St., S.W.
Washington, D.C. 20590
special Programs
Administration
Mr. Thomas M. Sassor, Sr.
Regulatory Compliance Coordinator
Ref. No. 03-0015
Diamond Products Company
P.O. Box 1777
Mango, Florida
33550
Dear Mr. Sassor:
This responds to your January 9, 2003 letter requesting clarification on marking requirements for
aerosol packagings containing Consumer Commodity, ORM-D, materials under §§ 173.306(a)(3) and
173.306(h) of the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180).
According to your letter, you were advised that provisions in § 173.306(a)(3), require that each of the
outside packagings containing your Consumer Commodity, ORM-D, aerosol material is required to be
marked "Inside Containers Comply With Prescribed Regulations." It is your understanding that under
§ 173.306(h), no markings are required on the inner or outer packagings due to the special exceptions
for shipments of aerosols in the ORM-D class.
The exception in § 173.306(a)(3) is limited to aerosol containers not exceeding one liter capacity in
which one or more gases are used to expel other material that is a liquid, paste, or powder. In order
for your aerosol product to be renamed consumer commodity, and reclassed as ORM-D: (1) the
product must meet the definition for consumer commodity in § 171.8; and (2) the product must
conform to the packaging requirements in 173.306(h). As provided in § 173.306(h)(1), outside
packagings containing aerosols reclassed as ORM-D are not required to be marked "Inside Containers
Comply with Prescribed Regulations." As prescribed in § 173.306(a)(3)(ii), a specification DOT-2P
must be used if the pressure in the container exceeds 140 psig at 130 F, but does not exceed 160 psig
at 130 F. A specification DOT-2Q must be used if the pressure in the container exceeds a 160 psig at
appropriate.
130 F. In this instance, these specification inner containers must be marked DOT-2P or DOT-2Q, as
I hope this answers your inquiry.
Sincerely,
Yen
in Fills
Jelmer F. Billings
Office of Hazardous Materials Standards
Chief, Standards Development
173.306
030015
20500052

<<<PAGE 2>>>

DIAMOND
Boothe
PRODUCTS
Value Through Partnership
company
§ 173.306
Mango, Florida 33550
P.O. Box 1777
Markings
Telephone: 813-681-4611, ext. 1314, FAX: 813-654-6707
Email: tsassor@diamondproducts.net
03-0015
January 9, 2003
United States Department of Transportation
Director, Office of Hazardous Materials
400 7" Street SW
Washington, DC 20590-001
Dear Madam or Sir,
I contacted the US DOT Hazardous Material Info Center by phone on the morning of
response from the DOT Representative, "Kurt":
packagings because 49CFR Part 173.306 (a)(3) provides that when in a metal
container for the sole purpose of expelling a nonpoisonous liquid, paste or
a limited quantity which conforms to the provisions of 49 CFR Part
prescribed regulations". However, 49 CFR Part 173.306 (h) goes on to say that
173.306(a)(1), 49 CFR Part 173.306(a)(3), o 49 CFR Part 173.306(b) and is a
ORM-D and the outside packagings are not required to be marked "inside
consumer commodity as defined in 49 CFR Part 171.8 may be reclassed as
required on the inner or outer packagings due to the special exceptions for
containers comply with prescribed regulations". Therefore, no markings are
shipments of aerosols in the ORM-D class.
in light of this development, I would ask that you please confirm "Kurt's" finding by
holding consumer commodities reclassed as ORM-D.
providing a formal interpretation of the marking requirements for aerosol packaging
Best Regards,
Diamond Products Company
Thomas M. Sassor, Sr.
Regulatory Compliance Coordinator
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