# TEN-E Packaging Services, Inc. — Hazardous Materials Safety Interpretation

**Citation:** 09-0263R  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2010-05-05

09-0263R response to TEN-E Packaging Services, Inc. concerning 178.602.

## Document text

<<<PAGE 1>>>

U.S. Department of Transportation Pipeline and Hazardous Materials
Safety Administration
1200 New Jersey Ave, SE
Washington. D.C. 20590
MAY 05 20m
Mr. Robert Eyck
TEN-E Packaging Services, Inc.
1666 County Road 74
Newport,MN 55055
Ref. No.: 09-0263R
Dear Mr. Eyck:
This responds to your October 13,2009 letter regarding the applicability of the Hazardous
Materials Regulations (HMR; 49 CFR Parts 171-180) to non-bulk packaging used to transport
hazardous materials. Specifically you ask whether separate tests are required for inner
receptacles of combination packagings that are intended to contain both liquid and solids. This
is a revision to our original response from December 10, 2009.
The HMR, at § 178.602, require each packaging to be closed in preparation for testing and tests
to be carried out in the same manner as if prepared for transportation, including inner
packagings in the case of combination packagings. Therefore, a combination packaging design
originally tested with inner packagings containing liquids may not be used to package solid
materials, as a single package or otherwise, without further testing.
I trust this satisfies your inquiry. Should have any further questions, please contact this office.
Sincerely,
-f~'0---
Hattie L. Mitchell
Chief, Regulatory Review and Reinvention
Office of Hazardous Materials Standards

<<<PAGE 2>>>

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SfHIUG THE STH N OR RO N()A-htLlt fo.ci:A..J/~O#
ftU,ka-'te5
(}9-' 07e&3
October 13, 2009
Susan Gorsky
I U.S. DEPARTMENT OF TRANSPORTATION
Pipeline and Hazardous Materials Safety Administration
I I Office of Hazardous Materials Standards, PHH-10
1200 New Jersey Avenue
SE Building, 2nd Floor
1 Washington, DC 20590
Dear Susan:
TEN-E Packaging Services, Inc. recently became aware of a DOT letter of clarification, Ref. No. 050111,
that conflicts with our understanding of what the UN Recommendations on the Transport of
I Dangerous Goods Model Regulaltions and Title 49 CFR permit when qualifying combination
packagings to the UN standards. We have always advised our clients that separate tests must be
conducted for inner receptacles of combination packagings that are intended to contain both liquids
and solids. We base this view on Section 173.24a(b)(3) of Title 49 CFR that limits a qualified liquids
packaging to be used for solids to only single and composite packagings, Section 6.1.5.2.1 of the UN
Recommendations on the Transport of Dangerous Goods Model Regulations that states for
combination packagings with inner packagings designed to carry liquids and solids testing must be
conducted for each scenario and a 1992 Third Party Laboratory summary of questions and answers
I( reference Answer to Question #8) that prohibits substituting inner packagings for solids on a liquids
. qualified packaging. Copies of the referenced documents are attached for your review.
TEN-E Packaging Services would appreciate a quick response to what the agency's position is on
" this matter as we want to provide our clients with proper advice on this UN packaging certification
issue.
Sincerley,
TEN-E Packaging Services, Inc.
1666 County Road 74
Newport, MN 55055
: Phone: 651-459-0671
i Fax: 651-459-1430
! Email: info@ten-e.com
i
-·········1·ij~~D~~~~=~M~nl' ...,...... _,.... .

<<<PAGE 3>>>

U.S. Deportment ·tOO Seventh Street, S.W.
WasI'lingtun, D.C. 20590
of Transportation
Pipeline and JUN 1 7 2005
Hazardous MaterlalsSaraty
Admlnlstrollon
Ms. Cherie Walton Ref. No. 05-0 III
Reactives Management Corporation
1025 Executive Blvd., Suite 101
Chesapeake, VA 23320
Dear Ms. Walton:
This is in response to your April 28, 2005 letter requesting clarification regarding the general
packaging requirements specified under the Hazardous Materials Regulations (HMR; 49 CFR
Parts 171-180). Your questions are parapluased and answered as follows:
Ql. Is it permissible for a specitication combination package (a UN 40 fiberboard box with
inner metal receptacles), which was tested for liquids, to be filled with a solid material as long
as the gross mass marked on the packaging is not exceeded?
A1. Yes. A combination packaging that was tested with a liquid may be filled with a solid
material provided it is an authorized packaging for the solid material and conforms to the
general packaging provisions in Part 173, Subpart B.
Q2. If the answer to Ql is yes, must the inner receptacles be used to contain the solid
material?
A2. Yes. The packaging should be prepared in the same manner it was tested.
I hope this information is helpful.
;zg/~~
Hattie L. Mitchell, Chief
Regulatory Review and Reinvention
Office of Hazardous Materials Standards
1111111111111111111
050111

<<<PAGE 4>>>

Message
_IN_FO_C_N_TR_<_P_HM_S_A_>.~~
From: reaclives@earthlink.net
Sent: Thursday, April 28,200512:39 PM
To: INFOCNTR <PHMSA> Subject: Information Center Comments/Questions
Complete by Phone, Left VM to call HM[C 4/28/2005 KAL
Below is the result ofyour feedback fonn. It was submitted by
Cherie Walton (reactives@earthlink.net) on Thursday, April 28, 2005 at 12:38:35.
~~S4-/f:,':-t·~;th yj,;l,#Ie. Page 1 of 1
"~/13 ~ :?~t.f (./: (b) ~
__, ______ It::....;;Ic...;..../J" boJt. ttUk¥JI.f; s -41
&e1~4!..1e ~ c
(>5 - {jIll
Email: reactives@earthlink.net
Name: Cherie Walton
Category: Shippers-General Requirements for Shipments and Packagings (Sections 173.1 - 173.476)
Organization: Reactives Management COIp.
Street: 1025 Executive Blvd., Suite 101
City: Chesapeake
State: Virginia
Zip Code: 23320
Phone: 757-436-1033
Fax: 757-548-2808
Comments: RE: Combination packaging.
We have two sizes ofcombination packagings which are intended to hold liquids. Each combination pacbging consists of
inner metal cans (e.g. metal paint cans) with lOCking rings. These are packed inside a 4GY.
The markings on the outer 4Gs are as follows:
4GN9.6/S/04 U8AI+AX4033
and
4GN38.5/S/05 USA/+AZ4600
According to 173.24a(b)(3), which addresses single or composite non-bulk packaging (not c(lmbillution paekagings), solids
may be packed in non-bulk packaging which has been tested for liquids.
Can we use the above 4Gs (since they are marked with an "8ft
) for solids as long ali the gross mass in kilograms does not
exceed the rated capacity ofthe packaging in liters?
If so, are we required to pack the solids in the approved inner recepticles (paint cans)?
Thanks for your help.
4/2812005

<<<PAGE 5>>>

(f) If the outer packaging is intended to contain inner pll(;kagings [or liquids and is not
leakproof, or is intended to contain inner packagings for solids and is not siftproof, a
means of containing any liquid or solid contents in the event of leakage shall be
provided in the fonn of a leakproof liner, plastics bag or other equally efficient means
of containment. For packagings containing liquids, the absorbent material required in
(e) above shall be placed inside the means ofcontaining the liquid contents;
(g) For air transport, packagings shaH comply with 4.1.1.4.1;
(h) Packagings shall be marked in accordance with 6. J.3 as having been tested to packing
group I perfonnance for combination packagings. The marked gross mass in
kilograms shall be the sum of the mass of the outer packaging plus one half of the
mass of the inner packaging(s) as used for the drop test referred to in (n) above. Such a
packaging mark shall also contain a letter "V" as described in 6.1.2.4.
6.1.5.1.8 The competent authority may at any time require proof, by tests in accordance with this
section, that serially-produced packagings meet tlte requirements of the design type tests.
6.1.5.1.9 properties even after the tests.
If an inner treatment or coating is required for safety reasons, it shall retain its protective
6.1.5.1.10 Provided the validity ofthe test results is not affected and with the approval of tile competent
authority, several tests may be made on one sample.
6.1.5.1.11 Salvage packogil7gs
Salvage packagings (see 1.2.1) shan be tested and marked in accordance with the provisions
applicable to packing group II packagings intended for the transport of solids or inner packagings, except as
follows:
(a) The test substance used in perronning the tests shall be water, and the packagings
shalt be filled to not less than 98% of their maximum capacity. It is pennissible to use
additives. such as bags of lead shot, to achieve the requisite total package mass so long
as they ilre placed so that the test results are not affected. Alternatively, in perfonning
the drop test, the drop height may be varied in accordance with 6.1.5.3.5 (b);
(b) Packagings shall, in addition, have been successfully subjected to the leakproofuess
test at 30 kPa, with the results of this test reflected in the test report required by
6.1.5.7; and
(c) Packagings shan be marked with the letter "T" as described in 6.1.2.4.
6.1.5.2 Preparation ofpllckagings for lestlll,
6.1.5.2.1 Tests shall be carried out on packagings prepared as for transport including, with respect to
combination packagings, the inner packagings used. Inner or single receptacles or packagings other than
bags shall be filled to not less than 98% of their maximum capacity for liquids or 95% for solids. Bags shall
be filled to the maximum mass at which they may be used. For combination packagings where the inner
packaging is designed to carry Jiquids and solids, separate testing is required for both liquid and solid
contents. The substances or articles to be transported in the packagings may be replaced by other substances
or articles except where this would invalidate the results of the tests. For solids, when another substance is
used it shall have the same physical characteristics (mass, grain size, etc.) as the substance to be carned. It is
pennissible to use additives, such as bags of lead shot, to achieve the requisite total package mass, so long as
they are placed so that the test results are not affected.
6.1.5.2.2 In the drop tests for liquids, when another substance is used, it shall be of similar relative
density and viscosity to those of the substance being transported. Water may also be used for the liquid drop
test under the conditions in 6.1.5.3.5.
·183

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2009/090263R.pdf>
- Source ID: `phmsa`
- SHA-256: `799098294f6e1008991e1e39958f056c3b3346cc463281a53e260299c75d3641`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T15:23:08.077Z
- Document slug: `phmsa-interpretation-09-0263r`

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