# Mr. Joseph E. Connelly — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 13-0242
- **title:** Mr. Joseph E. Connelly — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2014-04-17
- **effective on:** Not available
- **summary:** 13-0242 concerning 171.7, 171.8.
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- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-13-0242
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2013/130242.pdf
**body:**

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U.S. Department
of Transportation
Pipeline and Hazardous
Materials Safety
Administration
1200 New Jersey Avenue, SE
Washington, D.C. 20590
Mr. Joseph E. Connelly
P.O. Box231
Elkton, MD 21922
Ref. No. 13-0242
Dear Mr. Connelly:
This responds to your December 23, 2013 letter requesting clarification of the applicability
of material incorporated by reference under § 171.7 of the hazardous materials regulations
{HMR; 49 CFR Parts 171-180). In your letter, you refer to a previous letter of interpretation
(Ref. No. 06-0147; June 29, 2006) that indicates, for purposes of the HMR, the specific
version of a document incorporated by reference must be used regardless of whether the
document has been updated after being made part of the HMR. Your questions regarding
material incorporated by reference are paraphrased and answered as follows:
Ql. Section 171.7 still references the December 2000 edition of the Association of
American Railroads Manual of Standards and Recommended Practices, Section C-
Part III, Specification for Tank Cars, Specification M-1002 (see§ 171.7(k)(1)) even
though there are more recent versions including the current 2007 version and its
amendments. Is there any circumstance in which the Department of Transportation
(Department) can enforce provisions of the 2007 edition or its amendments?
Al. The answer is no. Incorporated by reference, as defined in§ 171.8, means a
publication or a portion of a publication that is made a part of the HMR. In
accordance with§ 171.7(a)(1), material not specifically set forth but incorporated by
reference is considered to be part of the HMR. Matter is incorporated only as it is in
effect on the date of issuance of the regulation( s) referring to that material. In other
words, material incorporated by reference is a snapshot in time of the material at the
time a regulation is published in a final mlemaking that references the material. The
material listed in§ 171.7 is approved by the Director of the Federal Register and is
incorporated as it exists on the date of the approval. A notice of any change in the
material incorporated by reference into the HMR would require regulatory action
and would be published in the Federal Register. Regarding enforcement, the
Department, along with PHMSA and the relevant modal administrations, have the
authority to enforce the Federal hazardous material law, 49 CFR Subchapter A-
Hazardous Materials and Oil Transportation, and the HMR (see§ 107.301). Thus,
as the Department specifically enforces the HMR, provisions of any publication or
portion thereof (e.g., an updated version of a standard) not made a part of the HMR
are not enforceable by the Department.

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Q2. Is there any circumstance in which the Department can enforce provisions of
the 2000 edition of the manual that are not listed in§ 171.7(k)(l)?
A2. The answer is no. Only the provisions of a publication or the portions thereof
that are made part of the HMR are enforceable. Thus, any material from the 2000
edition not incorporated by reference as part of§ 171.1 (k)(1) is not enforceable.
I hope this information is helpful. If you have further questions, please contact this office.
Sincerely,
·~~)
?M-/1K_: pjl::t:J
fotL Robert Benedict
ef, Standards Development Branch
Standards and Rulemaking Division

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December 23, 2013
Mr. Charles E. Betts
Director, Standards and Rulemaking Division
U.S. DOT/PHMSA (PHH-1 0)
1200 New Jersey Avenue, SE East Building, 2nd Floor
Washington, DC 20590
Dear Mr. Betts:
I am requesting a formal interpretation with regards to 49 CFR § 171.7, concerning incorporation by reference.
had previously sent the request through the INFO Center on September 18, 2013 but to date have not received
a response.
On July 27, 2006, Mr. John A Gale responded to Mr. Patrick Riley as follows:
Ju/27, 2006
Mr. Patrick F. Reilly
Reference No. 06-0147
919 Parkview Road
Moscow, PA 18444
Dear Mr. Reilly:
This responds to your June 29, 2006 letter requesting clarification on§ 171.7 Reference material, materials
incorporated by reference into the Hazardous Materials Regulations (HMR; 49 CFR 171-180). Specifically, you
ask whether the "Association of American Railroads, AAR Manual of Standards and Recommended Practices,
Section C-Part Ill, Specification for Tank Cars, Specification M-1002, December 2000 edition" referenced in§
171.7 is the most current version.
The AAR standard you reference was updated as of December 1, 2003. However, the updated standard has not
been incorporated by reference into the HMR. Therefore, for purposes of the HMR, the 2000 edition referenced
in § 171. 7 must be used.
I hope this answers your inquiry.
Sincerely,
John A. Gale
Chief, Standards Development
Office of Hazardous Material Standards
171.7
Since Mr. Riley's letter and Mr. Gale's response, the Association of American Railroads released a 2007 version
of this very same manual, which has been constantly updated to reflect industry changes. My questions are as
follows:
Given that the incorporation by reference in §171.7 still references the December 2000 edition of the manual is
there any circumstance in which the Department of Transportation can enforce the provisions listed in the 2007
manual or its amendments?
Given that the incorporation by reference in §171.7 incorporates only the following provisions of the December
2000 edition of the manual as follows:
(1) AAR Manual of Standards and Recommended Practices, Section C-Part Ill,
Specifications for Tank Cars, Specification M-1 002, (AAR Specifications for Tank

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Cars), December2000, § 173.31; 179.6; 179.7; 179.15; 179.16; 179.20; 179.22;
H9.100-9; 179.100-10; 179.100-12; 179.100-13; 179.100-14; 179.100-18; 179.101-
1; 179.102-1; 179.102-4; 179.102-17; 179.103-5; 179.200-7; 179.200-9; 179.200-
10; 179.200-11; 179.200-13; 179.200-17; 179.200-22; 179.201-6; 179.220-6;
179.220-7; 179.220-10; 179.220-11; 179.220-14; 179.220-18; 179.220-26; 179.300-
9; 179.300-10; 179.300-15; 179.300-17; 179.400-5; 179.400-6; 179.400-8; 179.400-
11; 179.400-12; 179.400-15; 179.400-18; 179.400-20; 179.400-25; 180.509;
180.513; 180.515; 180.517.
Is there any circumstance by which the Department of Transportation can enforce provisions of the manual
which are not listed above?
Thank You in advance for your time in reviewing this matter.
/c )
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"Jesept(E. Con;elly -
PO Box 231
Elkton MD 21922
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