# HMT Associates, L.L.C. — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 12-0173
- **title:** HMT Associates, L.L.C. — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2012-12-20
- **effective on:** Not available
- **summary:** 12-0173 response to HMT Associates, L.L.C. concerning 172.315.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-12-0173.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-12-0173.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-12-0173
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2012/120173.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
DEC . · ~ . )
. 2 \) ~;. ..
Mr. E. A. Altemos
HMT Associates, L.L.C.
603 King Street
Suite 300
Alexandria, VA 22314-3105
Ref. No. 12-0173
This responds to your August 8, 2012 letter requesting clarification of the Hazardous
Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to the display of limited
quantity package marking. Specifically, you describe and provide photographs of the
following two scenarios and ask whether they conform to the marking display requirements
as prescribed in § 172.315 of the HMR:
Scenario 1: A reduced-size limited quantity marking of at least 50 mm but less than 100
mm on each side is displayed in a square-on-point configuration as
authorized by§ 172.315. The marking is durable, legible, and readily visible.
Is this scenario in accordance with the HMR?
Answer 1: The answer is yes. As authorized in§ 172.315, a reduced-size marking
between 50 mm and 100 mm may be used in place of a corresponding
marking that otherwise conforms to the requirements of the HMR, which
permit use of a reduced-size hazard marking when a package surface is too
small or of an irregular shape for a full size marking.
Scenario 2: A limited quantity marking of 100 mm on each side is displayed in a square-
on-side configuration. The marking is durable, legible, and readily visible.
Is this scenario in accordance with the HMR?
Answer 2: The answer is yes. The HMR do not prohibit the placement of a limited
quantity marking in an orientation where the square-on-point is located with
its flat sides parallel to the sides of the packages. A limited quantity marking
that otherwise conforms to the requirements of the HMR may be

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placed square-on-side when the square-on-point is not practicable if the
package surface is too small or of an irregular shape for a full size marking.
However, the square-on-point configuration is the preferred (recommended)
method for displaying the limited quantity marking required by the HMR.
I trust this satisfies your inquiry. Please contact us if we can be of further assistance.
Sincerely,
T. Glenn Foster
Chief, Regulatory Review and Reinvention Branch
Standards and Rulemaking Division

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HMT ASSOCIATES, L.L.c .
603 KING ST.
SUITE 300
ALEXANDRIA, VA 22314-3105
703-549-0727
E.A. ALTEMOS
PATRICIA A. QUINN
FACSIMILIE: 703-549-0727
WRITERS DIRECT DIAL NUMBER
703-549-0727, ext. 11
August 8, 2012
Mr. Shane Kelley
International Standards (PHH-13)
Pipeline and Hazardous Materials
Safety Administration
Department of Transportation
1200 New Jersey Avenue, SE
East Building, 2nd Floor
Washington, D.C. 20590-0001
Dear Mr. Kelley,
This is to request clarification of the provisions of Section 172.315 of the
Hazardous Materials Regulations ("HMR"), as revised in final rules issued under Docket
No. HM-215K, relating to the display of the limited quantities ("LQ") mark on packages.
Specifically, I seek clarification of the conditions for display of the LQ mark on packages
which, owing to their configuration, cannot readily accept a mark with dimensions of 100
mm by 100 mm when that mark is placed in a square-on-point orientation.
The packages concerned are of a "shoebox" configuration - that is, a fibreboard
·box packaging closed by means of placing a top section or "cover" over a bottom section,
and then securing the top to the bottom (this as opposed, for example, to the more
common configuration where closure is effected by means of "flaps" at the top of the
box). A photograph illustrating the configuration of a sample package (approximate
overall dimensions 16 inches long by 12 inches wide by 7.5 inches high) is provided in
Attachment 1. The vertical dimension ("height") of the "cover" and the distance tha1 t the
sides of the cover extend over the sides of the bottom section, are such that there is
insufficient space on either the side of the cover or on the exposed (when the cover i~; in
place) side of the bottom section to display a 100 mm by 100 mm LQ mark in a square-
on-point orientation. Significantly altering the configuration of the box is impracticable
owing to costs associated with modifying or replacing equipment on packaging lines.
Displaying the LQ mark in such a manner that part is on the side of the cover and part on
the exposed side of the bottom section is also considered impracticable because the
junction between the two parts of the mark on each section of the package would

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HMT ASSOC I ATES, L . L .C.
Mr. Shane Kelley
August 8, 2012
Page 2
preclude the mark from appearing exactly in the manner prescribed in § 172.315 of the
HMR (owing to, for example, imperfect alignment, the seam between the top and bottom,
etc.).
Section 172.315 of the HMR provides that the minimum 100 mm by 100 mm
dimensions of the mark may be reduced to not less than 50 mm by 50 mm when "the
packaging size requires a reduced size marking." For the packages configured as
described above, please confirm whether either or both of the following approaches to
applying the LQ marking would be acceptable under§ 172.315 of the HMR:
1) An LQ mark of at least 50 mm, but less than 100 mm minimum
dimensions on each side is displayed in the area on the side or end of the bottom
section left exposed when the cover is applied (the dimensions of the mark would
be the greatest that allow the mark to fit in the area without being obstructed by
the cover, see example in Attachment 2); or
2) An LQ mark with dimensions of 100 mm on each side is displayed in the
area on the side of the bottom section left exposed when the cover is applied, but
in other than a "square-on-point" orientation (i.e., with the sides of the mark
parallel to the edges ofthe package).
In both instances, the LQ mark would be durable, legible, and readily visible and the aim
of putting all parties on notice of the LQ nature of the contents would appears to be
achieved.
Regarding the first of the above options, I note that a prior interpretation (Ref. No.
11-0051) may have some relevance to this subject as that interpretation- albeit
addressing a different package configuration- concerned a package with overall
dimensions sufficient to accommodate a full size LQ mark, but on which such display
was considered impracticable owing to the configuration of the package.
Thank you for your consideration of this matter, and please do not hesitate to
contact me if you have questions concerning this request.
Sincerely,
e(jcu~
E. A. Altemos
Attachments
Cc: Michael Stevens (PHH-12

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