# Defense Logistics Agency — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 02-0269
- **title:** Defense Logistics Agency — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2002-11-07
- **effective on:** Not available
- **summary:** 02-0269 response to Defense Logistics Agency concerning 173.164.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0269.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0269.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0269
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2002/020269.pdf
**body:**

<<<PAGE 1>>>

of Transportation
U.S. Department
400 Seventh St., S.W.
Washington, D.C. 20590
special Programs
Research and
Administration
NOV - 7 2002
Mr. F. Kevin Reilly
Ref. No. 02-0269
Director, Directorate of Environmental Management
Defense Logistics Agency
8725 John J. Kingman Road, Suite 3229
Ft. Belvoir, VA 22060-6223
Dear Mr. Reilly:
This is in response to your September 12, 2002 letter concerning marking and labeling requirements
under the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180).. Specifically, you request
written confirmation of a verbal opinion you received from our Hazardous Materials Information Center
(HMIC) regarding marking requirements on flasks of mercury. In your situation, you wish to place a
number of metal flasks containing mercury in 30-gallon, UN Specification. 1A2 drums meeting the PG I
requirements for solids or inner containers. Each metal flask meets the packaging requirements for
mercury under § 173.164(d). Your question is whether each flask must be marked and labeled, or if
each 30-gallon drun may be marked and labeled without marking and labeling the inside metal flasks.
The interpretation you received from HMIC is correct. As authorized in § 173.164(d), the flasks can
be considered inner packagings and the 30-gallon drums meet the required outer packaging
requirements. Therefore, each 30-gallon drum must be marked and labeled. If the drums are
overpacked on a pallet secured with shrinkwrap or other material and the markings and labels on the
drums are not visible through the overpack, then the overpack will require the marking and label that
appears on the drums.
I hope this satisfies your request.
Sincerely,
Delmer F. Billings
Chief. Standards Development
Office of Hazardous Materials Standards
173.164(d)
020269

<<<PAGE 2>>>

DEFENSE NATIONAL STOCKPILE CENTER
DEFENSE LOGISTICS AGENCY
Johnsen
8725 JOHN J. KINGMAN ROAD, SUITE 3229
$173.164(d)
FT. BELVOIR, VIRGINIA 22060-6223.
Exemption
IN REPLY
REFER TO
DNSC-E
89 1 2 2
02-0269
Mr. Robert A. McGuire
Associate Administrator for Hazardous
Materials Safety
Research and Special Programs
Administration
400 Seventh Street, SW
U. S. Department of Iransportation
XEMPTOBO E
washington, D.C. 20590-0001
02 SEP 19 FM12: 18
ATTENTION: Exemptions, DHM-31
Dear Mr. McGuire:
AND EXEMPTION FROM MARKING AND LABELING REQUIREMENIS FOR
REQUEST FOR CONFIRMATION OF REGULATORY INTERPRETATION
METAL FLASKS CONTAINING MERCURY.
The Defense Logistics Agency/Defense National
materials
Stockpile Center (DNSC) maintains strategic and critical
ources oi supply durina national
to reduce the nation's dependence on foreiar
commodities currently stored by DNSC is mercury (UN 2809).
one of the
at four locations in the United States. Due to increasing
DNSC has over 4,800 tons (net weight) of mercury stored
mercury, DNSC is currently evaluating options including
public concerns over the use, disposal, and management of
to facilitate management control of the stockpile.
long-term storage of mercury at one centralized location
consolidation site for long-term storage has not been
The
selected.
located in (1) Warren, OH; (2) Somerville, NJ; (3) Oak
Mercury is stored at four V. s. Government sites
Ridge, TN and (4) New
contained in wrought iron or steel flasks, with iron
Haven, IN.
All mercury is currently
screw-plug closures (tare weight of each flask is
approximately 9 pounds).
definition of non-specification, reusable metal packagings
These flasks meet DOT's
under 49 CFR Part 173.164 (d) (2).
and shape, but each flask contains approximately 76 pounds
The flasks vary in size
of mercury. Flasks at Warren, OH; Somerville, NJ; and
Federal Recycling Program
Printed on Recycled Paper

<<<PAGE 3>>>

2
epoxy-lined steel drums (six flasks per drum), with the
New Haven, IN are contained in 30-gallon, removable-head,
following U. N. markings:
1A2/Y1.5/200
1A2/X235/S
01 USA/SDCC
• Inside each drum rest on cushioning material and are
Each drum is lined with a heavy plastic bag. Flasks
marked and labeled per DOT regulations and secured to flat
separated by heavy cardboard partitions.
pallets (five drums per pallet), with catch pans (one per
Tennessee, are packaged in wooden box pallets
pallet) located under the drums.
Flasks at Oak Ridge,
(approximately 45 flasks per pallet).
stored at each location.
The following table shows
the quantity of mercury
Mercury Stockpile Storage Locations
Number of
Location
Flasks
Pounds
Tons
Warren Depot
16,355
1,242,000
621.00
Somerville Depot
Oak Ridge (DOE
75,880
5,767,576
2,883.74
Site)
20,276
1,540, 976
770.49
New Haven Depot
16,151
1,228,000
614.00
Totals
128, 662
9,778,552
4,889.23
current sites to the consolidation site, if selected, by
DNSC plans to ship the mercury directly from the
alone and the lass witi not reured from ne riad
commercial trailer truck.
pallets/drums or box pallets during shipment.
DNSC considers
overpack.
However, based on regulatory interpretations
each drum and/or wooden box pallet an
Hazardous Materials Information Center, this would require
made by one of our contractors, and confirmed by the DOT
that every individual mercury flask be marked and labeled
such Fiask ine de a rot pack as deserter abovo, outl
each flask inside an
Subparts D and E, respectively.
not even be visible.
our contractor contacted the, DOI Hazardous Materials

<<<PAGE 4>>>

3
Information Center
there was any way to avoid having to mark and label each
again on July 31, 2002, and asked if
individual flasks.
Information Center consultant said no, but later the
Initially the Hazardous Materials
problem with Delmer F. Billings, Chief of Standards
consultant called back and said he had discussed the
Development for DOT.
(currently considered overpacks) could be considered the
Mr. Billings said the metal drums
primary containers for the mercury, since they meet DOT's
under 49 CFR Part 173.164 (d)
definition of non-specification reusable metal packagings
interpretation, only the drums would have to be marked and
Under Mr. Billings'
labeled.
Regulatory interpretation provided by Mr. Billings that
DNSC requests that DOT confirm in writing the
addition, for the reasons stated below, DNSC requests a
the drums can be considered the primary containers.
one-time
from marking and labeling the individual flasks that are
exemption less than 49 CFR Part 107 Subpart B
overpacked in the box pallets. If DOT is unable to
Billings, DNSC requests that the one-time exemption also
confirm the regulatory interpretation provided by Mr.
be applied to the flasks packed in the drums.
As stated above, mercury flasks will be shipped
consolidation site for long-term storage and not removed
directlý from the current storage sites to the
shipment.
from the flat pallets/drums or box pallets during
loaded and unloaded by DNSC, or its contractors, and will
The flat pallets/drums and box pallets will be
be under control of the commercial carrier during
and labels on drums and box pallets, and placards on truck
In addition, shipping papers, markings
identify material being shipped as mercury, if an accident
trailers will allow emergency responders to readily
not marking and labeling individual flasks would have
occurs.
DNSC is not aware of any shipping incidents where
increased risk to property or public health and safety.
Therefore, DNSC believes granting this exemption will not
Believer aran int
increase
risk to property, the environment or the health
and safety of the public during transportation.

<<<PAGE 5>>>

4
matter.
Thank you in advance for your attention to this
(703)
767-6522.
If you have any questions, please
call me at
Sincerely,
Directorate of Environmental
Management
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