# North American Group — Hazardous Materials Safety Interpretation

**Citation:** 00-0037  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2000-03-23

00-0037 response to North American Group concerning 173.306.

## Document text

<<<PAGE 1>>>

Washington, D.C.
400 Seventh Street, S.W.
20590
Research and
Administratior
pecial Program:
MAR 1 0 2000
Ms. Cassie Mayrand-Burney
Ford Motor Company
Ref. No. 00-0037
Safety Office
QMP Building - Room
351-2
North American Group
Dearborn, MI
48121
Dear Ms. Mayrand-Burney:
This is in response to your letter dated January 31, 2000,
regarding the transportation of aerosols under the Hazardous
Materials Regulations (HMR; 49 CFR Parts 171-180).
Specifically you ask if aerosols may be offered for
transportation in packages that exceed 30 kg (66 pounds).
Materials transported under the proper shipping name
"Aerosols" must be packaged in accordance with $ 173.306.
pounds) gross weight.
Under § 173.306 each outside package may not exceed 30 kg (66
that meets the definition of consumer commodity may be renamed
However, a limited quantity of aerosols
consumer commodity and reclassed ORM-D (see $ 173.306 (h)).
The 30 kg (66 pound) gross weight limitation does not apply to
materials classed as ORM-D when shipped under the provisions
of S
173.156 (b) (1) or (2).
I hope this satisfies
your request.
Sincerely,
Transportation Regulations Specialist
Office of Hazardous Materials
Standards
000037
173,306

<<<PAGE 2>>>

JAN 31 2000 14:34 FR TPC/O WEST PARK CTR 313 337 1949 TO 912023663012
P.02/02
BAL
Fond Motor Company,
$173.306
00-0037
Global Hazardous Materials
North American Group
Compliance Office
Jamuary 31, 2000.
To:
Mr. Edward T. Mazzullo
Director, Office of Hazardous Materials Standards
U.S. DOT/RSPA (DHM-10)
400 7th Street S.W.
Washington, D.C. 20590-0001
Subject:
Request for Interpretation Regarding the Shipment of Acrosol Cans
I am writing to request a written interpretation from the Office of Hazardous Materials Standards for
hazardous material table (172.101), from the manner it is presented on the table, it implies Aerosol cans
clarification in regards to the shipment of aerosol cans above the 66 pound limit. Referencing the 49 CFR,
(each not excooding 1 liter capacity) can be shipped fully regulated as 'Acrosol Cans, flammable (or non-
flammable), 2.1, UN1950' at any quantity. Upon inquiry to the Department of Transportation, they had
confusion is that there is no prohibited limit indicated as to how much you can ship other than under the
stated that aerosol cans, if above the 66 pound limit are prohibited to be shipped as previously stated. The
'Exceptions' column, where it references 173.306. Here the regulation states that compressed gases cannot
be shipped in 'limited quantities' if the package exceeds 66 pounds. Doesn't this mean acrosols can be
QTY)? If this is not the case, could you please provide this office a written interpretation of this part of the
shipped fully regulated and can exceed the 66 pound limit if shipped fully regulated and not as an LTD
regulation for clarification and for our records.
Thanks in advance for your assistance with this matter.
Sincerely,
'assie Mayrand-Burne:
needs lette stating "Aeross" is a etd gty
ajit i restricied to 661b S4sS
** TOTAL PAGE.Ø2.**_
-

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2000/000037.pdf>
- Source ID: `phmsa`
- SHA-256: `c1d022acb605ee9215f6d4397647abb7daed05714dff6e2a05d9d28cc55895c2`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T02:52:47.814Z
- Document slug: `phmsa-interpretation-00-0037`

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