# Boyle Transportation — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 10-0208
- **title:** Boyle Transportation — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2010-12-21
- **effective on:** Not available
- **summary:** 10-0208 response to Boyle Transportation concerning 177.848.
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- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-10-0208
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2010/100208.pdf
**body:**

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U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration
1200 New Jersey Ave, SE
Washington, D.C. 20590
DEC 2 1 2010
Mr. Steven P. Norbeck, CDS
Safety Manager
Boyle Transportation
15 Riverhurst Road
Billerica, MA 01821
Ref. No.: 10-0208
Dear Mr. Norbeck:
This responds to your September 21,2010 letter requesting clarification ofthe Hazardous Materials
Regulations (HMR; 49 CFR Parts 171-180). Specifically you ask if § 177.848(g)(3)(vi) refers to a
transport vehicle or a motor vehicle.
Section 177.848(g)(3)(vi) was added in a final rule [64 FR 10742; Docket HM-215C] on March 5,
1999 entitled "Harmonization With the United Nations Recommendations, International Maritime
Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions."
While no explanation is provided in the final rule as to the intent ofthe term vehicle, the United
Nations Recommendations on the Transport ofDangerous Goods (Sixteenth revised edition) Section
1.2.1 states that vehicle means "a road vehicle (including an articulated vehicle, Le., a tractor and
semi-trailer combination), railroad car or railway wagon. Each trailer shall be considered as a
separate vehicle." The definition of transport vehicle in § 171.8 includes the clarifying phrase
" ...each cargo-carrying body (trailer, rail car, etc.) is a separate transport vehicle." Further, as you
indicate in your letter, the term transport vehicle is used on three separate occasions in § 177.848(g)
to distinguish the type ofvehicle in which explosives must be segregated or must not be coloaded.
For these reasons, we are of the opinion that the term vehicle, as used in § 177.848(g)(3)(vi), means
transport vehicle. We intend to clarify this distinction in a future rulemaking.
I trust this satisfies your inquiry. Please contact us ifwe can be of further assistance.
Sincerely,
8~5~
Ben Supko
Acting Chief, Standards Development Branch
Standards and Rulemaking Division

<<<PAGE 2>>>

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USDOT
PHMSA Office of Hazardous Material Standards
Attn: PHH-I0
East Building
1200 New Jersey Avenue, SE
Washington, DC 20590-0001
Dear Office of Hazardous Material Standards,
49CFR 177.848(g), instructions for using the compatibility table, refers to explosives
carried on the same transport vehicle on three separate occasions. However, in
177.848(g)(3)(vi), when mentioning explosives in compatibility group G, the word
vehicle is used by itself.
Does the word vehicle refer to a transport vehicle as found elsewhere in the text of
177.848(g), or does it refer to a motor vehicle?
Sincerely,
~p~
Steven P. Norbeck CDS
Safety Manager
Boyle Transportation
15 Riverhurst Road
Billerica, MA 01821
978-670-3429
steven.norbeck@boyletransport.com
Boyle Transportation
15 RiverhuTst Road, Billerica, Massachusetts 01821
Telephone 978.670.3400 Fax 978.671.0016
www.boyletransport.com
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