# HAZMATEAM, INC. — Hazardous Materials Safety Interpretation

**Citation:** 99-0225  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1999-09-29

99-0225 response to HAZMATEAM, INC. concerning 171.1.

## Document text

<<<PAGE 1>>>

of Transportation
J.S. Department
400 Seventh Street, S.W
Washington, D.C.
20590
Research and
Special Programs
Administration
SEP 2 9 1999
Mr. Leo Traverse
Ref. No. 99-0225
HAZMATEAM, INC.
12 Kimball Hill Road
Hudson, NH 03051-39155
Dear Mr. Traverse:
This is in response to your letter dated August 20, 1999, concerning the meaning of the plus (+) sign in
Column 1 of the Hazardous Materials Table (HMT) under the Hazardous Materials Regulations
(HIMR; 49 CFR Parts 171-180). Specifically, you ask if the appearance of a plus (+) sign is an
indication that the proper shipping name may not be changed, even if the material is in a mixture.
The plus (+) sign in Column 1 of the HMT fixes the proper shipping name and hazard class for certain
materials without regard to whether the material meets the hazard class shown in column 3 of the HMT.
However, this applies only to materials which are essentially pure, or of a technical grade. The plus (+)
i sign eliminates shipper discretion in determining whether a material meets the defining criteria for a
hazard class. The proper shipping name is no longer fixed if the hazardous material is mixed with
another hazardous material or a substantial amount of a non-hazardous material. The plus (+) sign is no
longer considered when the mixture or solution no longer exhibits the same hazard to humans as the
technical or essentially pure grade of the material. In that case, the most appropriate description for the
material shall be determined in accordance with § 172.101(c)(12).
I hope this information is helpful. If you have further questions, please do not hesitate to contact this
Office.
Sincerely,
mn Ballins
Delmer F. Billings
Chief, Standards Development
Office of Hazardous Materials Standards
990225

<<<PAGE 2>>>

Office of
The General Counsel
The Boeing Company
Seattle, WA 98124-2207
P.O. Box 3707, MC 13-08
MATHEW FRANK
Johnsen
July 23, 1999
171.1
99-0202
Edward T. Mazzullo
Director, Office of Hazardous Materials Standards
U.S. Department of Transportation
Research and Special Programs Administration
DHM-10
400 Seventh Street, S. W.
BOEING
Washington, D. C. 20590-0001
Re:
DOT Interpretation of Transportation "in Commerce" by a Government
Contractor at a Privately-Owned Facility (i.e., not Government-Owned or
Government-Operated)
Dear Sir:
I am seeking concurrence from the Department of Transportation ("DOT") that
the intra-plant movement of hazardous materials by a government contractor at its
own privately owned facility does not constitute "transportation in commerce"
and thus, would not be subject to the hazardous materials regulations ("HMR")
ANALYSIS:
As a general rule, the intra-plant movement of hazardous materials exclusively on
privately-owned property does not constitute "transportation in commerce" for
purposes of the applicability of the HMR. Such exclusively intra-plant movement
would not be subject to the various packaging, shipping paper, and placarding
requirements of the HMR.
The movement of hazardous materials by a consignee exclusively on
private property, for purposes relating to a manufacturing process, is not
transportation in commerce under Federal hazmat law.
See 60 Fed. Reg. at 8,787 (Feb. 15, 1995) (Attachment 1). See also 60 Fed. Reg.
at 8,777 and 8,784 (stating that the "Federal hazmat law and the HMR do no
apply to the movement of hazardous materials exclusively at a consignce's
facility" and "Federal hazmat law and the HMR do not apply to transportation of
hazardous materials exclusively on private property, " respectively.) (Attachment
2).!
There are a few exceptions to this general proposition not relevant to the question being posed
732204.225/mag
- 1-

<<<PAGE 3>>>

The determinative factor in the applicability of the HMR is the status of the
facility, and not the status of the operator. That is, so long as the transportation of
hazardous materials is solely intra-facility (i.e., not along or across a public road
nor at a government-owned/leased facility which is open to the public?) at a
privately owned facility, the requirements of the HMR do not apply. Thus, when
a government contractor is operating exclusively at its own privately-owned
facility, the government contractor is treated no differently than any other person
subject to the HMR. The intra-plant movement of hazardous materials at the
government contractor-owned facility is not considered to be "in commerce" and
BOEING
law and regulations which require that government contractors be treated "in the
the HIMR does not apply. This is consistent with the general Hazardous Materials
same way and to the same extent" as any other person subject to the HMR
requirements. See 49 U.S.C. 5126(a); 40 Fed. Reg. at 8,620 (Feb. 28, 1991)
(Attachment 3) and 49 C.F.R. 171.1(b).
CONCLUSION
The HMR does not apply to the movement of hazardous materials that is entirely
on private property and neither follows nor crosses a public way, regardless of
whether the movement involves a private company operating at its own privately-
Confron
owned facility or whether it involves a government. contractor that is operating at
tuis
its privately-owned facility.
I look forward to your concurrence. In the meantime, if you have any questions
for your attention to this matter.
about the contents of my letter, please contact me at (206) 544-3198. Thank you
Sincerely,-
mosluisiana
Michele A. Giusiana
Counsel, The Boeing Company
Encls.
tank cars, incidental to transportation in commerce, even when that unloading takes place
exclusively at a consignee's facility).
2 See, e.g. DOT Legal Opinion Letter from Judith S. Kaleta, Chief Counsel, RSPA, U.S. DOT to
Susan Denny, Director, Transportation Management Program, U. S. DOE (April 23, 1991)
(Attachment 4); DOT Legal Opinion from Edward H. Bonekemper, III, Assistant Chief Counsel,
RSPA, U. S. DOT to Jo Ann Williams, Office of the General Counsel, U. S. DOE (April 26, 1993)
732204.225/mag
- 2-

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990225.pdf>
- Source ID: `phmsa`
- SHA-256: `f06b4f7829bee4861df792b4ca4ec681ec3f67965e8c3e9a184f8d5cee1dad92`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T23:06:26.976Z
- Document slug: `phmsa-interpretation-99-0225`

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