# Sandia National Laboratories — Hazardous Materials Safety Interpretation

**Citation:** 17-0127  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2018-02-08

17-0127 response to Sandia National Laboratories concerning 173.185.

## Document text

<<<PAGE 1>>>

1515 Eubank SE
Albuquerque, NM 87123
Reference No. 17-0127
Dear Mr. Colborg:
This letter is in response to your November 15, 2017, email requesting clarification of the
Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to lithium batteries.
You explain that your company produces a non-UN tested prototype lithium battery contained in
equipment. While the lithium battery weighs less than 12 kg (26.5 pounds), the equipment in
which the lithium battery will be contained weighs more than 12 kg (26.5 pounds). Specifically,
you ask if the prototype lithium battery contained in equipment meets the requirements of
§ 173.185(e)(4), which allow shipment in a strong outer packaging, or if the completed package
must meet the requirements of § 173.185(e)(3).
Based on the information you provided, you would not be permitted to pack the equipment in
strong outer packagings, in protective enclosures, or on pallets or other handling devices and
must instead comply with UN performance packaging requirements. The 12 kg (26.5 pounds) or
more exception in § 173.185(e)(4) applies to the battery only and not the combined weight of the
battery and the equipment.
I hope this information is helpful. Please contact us if we can be of further assistance.
Sincerely,
Chief, Standards Development Branch
Standards and Rulemaking Division

<<<PAGE 2>>>

Please see the attached interp request.
Thanks,
-Breanna
From: Colborg, Shawn P [mailto: spcolbo@sandia.gov]
Sent: Wednesday, November 22, 2017 3:55 PM
To: INFOCNTR (PHMSA) <INFOCNTR.INFOCNTR@dot.gov>
Subject: FW: Request for interpretation
My physical address is:
Sandia National Laboratories
Shawn Colborg
1515 Eubank SE
Albuquerque, NM 87123
Shawn Colborg
Hazardous Material Trasportation
From: Colborg, Shawn P
Sent: Wednesday, November 15, 2017 10:07 AM
To: 'infocntr@dot.gov' <infocntr@dot.gov>
Subject: Request for interpretation
Please see attached for the requested interpretation.
Thanks
SHAWN COLBORG
HAZARDOUS MATERIALS SHIPPING
SANDIA NATIONAL LABORATORIES
505-844-3196
SPCOLBO@SANDIA.GOV

<<<PAGE 3>>>



<<<PAGE 4>>>

Subject: Request for formal interpretation of 49 CFR 173.185(e)(4)
Dear To whom it may concern:
Sandia National Laboratories (SNL) is seeking clarification concerning 49 CFR 173.185(e)(4) "Low production runs and
prototypes" of lithium cells and batteries.
SNL routinely makes prototype (non-UN tested) lithium batteries for research and testing with most of them contained
in a piece of equipment that the battery powers. Some of the batteries that we make or that we are testing on behalf
of a 3° party vender weighs less than the 12 kg (26.5 Ibs.) as stated in 173.185(e)(4). My question is this: Even though
the battery itself weighs less than 12 kg but that battery is mounted ("contained in equipment") in the equipment that
it will be supplying the power to will be well over the 12 kg weight. Would that equipment containing the prototype
battery that weighs greater than the 12 kg, meet this provision and would be allowed to be shipped in strong outer
packaging instead of having to meet the requirements in 173.185(e)(3)(i) and (ii)?
(e) Low production runs and prototypes. Low production runs (i.e., annual production runs consisting of not
more than 100 lithium cells or batteries), or prototype lithium cells or batteries, including equipment
transported for purposes of testing, are excepted from the testing and record keeping requirements of
paragraph (a) of this section, provided: [173.185(e)]
(4) Lithium batteries, including lithium batteries contained in equipment, that weigh 12 kg (26.5 pounds) or
more and have a strong, impact-resistant outer casing or assemblies of such batteries, may be packed in
strong outer packagings, in protective enclosures (for example, in fully enclosed or wooden slatted crates),
or on pallets or other handling devices, instead of packages meeting the UN performance packaging
requirements in paragraphs (b)(3)(ii) and (iii) of this section. The battery or battery assembly must be
secured to prevent inadvertent movement, and the terminals may not support the weight of other
superimposed elements; [173.185(e)(4)]
Sincerely,
Shawn P. Colbor
Sandia National Laboratories
Hazard Material Transportation
spcolbo@sandia.gov
(505) 844-3196
Exceptional Service in the National Interest

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/docs/standards-rulemaking/hazmat/interpretations/57271/170127.pdf>
- Source ID: `phmsa`
- SHA-256: `5509dadd621e1e374ca8994eb348a7517a84e538e527a9bcd29b6ac544c00db9`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T02:42:28.738Z
- Document slug: `phmsa-interpretation-17-0127`

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