# FedEx Logistics — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 20-0008
- **title:** FedEx Logistics — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2020-07-17
- **effective on:** Not available
- **summary:** 20-0008 response to FedEx Logistics concerning 173.185.
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- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-20-0008.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-20-0008
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/docs/standards-rulemaking/hazmat/interpretations/74146/200008.pdf
**body:**

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U.S. Department of Transportation
Pipeline and Hazardous
Materials Safety Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
July 17, 2020
Marvin A. Sudduth
Dangerous Goods Advisor
FedEx Logistics
5025 Tuggle Road
Memphis, TN 38118
Reference No. 20-0008
Dear Mr. Sudduth:
This letter is in response to your January 19, 2020, letter requesting clarification of the
Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to lithium ion coin
cell batteries. You state FedEx Logistics will initiate a shipment monitoring system using a
lithium ion battery-powered sensor device. The device will contain one lithium ion coin cell
battery and will be transported in commerce via air and ground transportation. It is your
understanding that based on the size of the lithium ion coin cell battery and the exceptions
provided in the HMR for a battery that size, the number of batteries that can be shipped in a
package is unlimited. You also provide shipping scenarios FedEx Logistics might utilize for the
transportation of these devices.
We have paraphrased and answered your questions as follows:
Q1. You ask whether a lithium ion battery-powered sensor device containing a coin (button)
cell battery can be offered for transportation under the exceptions found in § 173.185(c)
of the HMR in an unlimited quantity per package for air and ground transportation.
A1. Please be advised this answer is in two parts (emphasis added).
• For ground transportation, a package containing only lithium button cell batteries
installed in equipment, including the sensor device described in your letter, that comply
with the requirements of § 173.185(c) is not subject to the hazard communication
requirements in subparts C through H of part 172 of the HMR or the UN performance
packaging requirements in § 173.185(b)(3)(ii) and (iii). This applies regardless of the
number of sensor devices contained in the package. Further, the package is not subject to
the marking requirements described in § 173.185(c)(1)(iii) provided the package does not
exceed 5 kg net weight of lithium cells.
• The answer is no for air transportation. For air transportation, a package with lithium
cells contained in equipment is limited to the minimum number of cells required to power

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the piece of equipment, plus two spare sets1, and the total net quantity (mass) of the
lithium cells or batteries in the completed package must not exceed 5 kg. (See 49 CFR §
173.185(c)(4) and (5)).
Q2. You ask whether a lithium ion battery-powered sensor device containing button cell
batteries can be offered for transportation under the exceptions found in § 173.185(c)
above a certain aggregate number in a package (e.g., you offer the scenario of 500 sensor
devices in a package). That is, you ask whether there is a threshold aggregate quantity in
a package such that the HMR requires shipment as fully regulated via air and ground
transportation.
A2. See answer A1.
Please note that the size limit for a lithium ion cell shipped under the exceptions for smaller cells
or batteries in § 173.185(c) is 20 Wh. Furthermore, even though lithium ion cells contained in
equipment are excepted from certain requirements in the HMR, they are still considered a
hazardous material (i.e., a dangerous good).
Moreover, all applicable FAA requirements must be complied with, including those in 14 CFR,
§ 91.21 that address operation of portable electronic devices aboard aircraft. Information and
guidance to assist with compliance of this requirement can be found in Advisory Circular (AC)
91.21-1D, titled “Use of Portable Electronic Devices Aboard Aircraft.” For additional
information regarding the FAA requirements or if you seek an interpretation on whether your
particular device meets electronic transmission requirements contained in 14 CFR § 91.21 you
may contact the FAA at the following address:
Federal Aviation Administration
Office of the Chief Counsel
Regulations Division
800 Independence Avenue SW
Washington, DC 20591
As well, there may be additional security requirements issued by the Transportation Security
Administration pertaining to the transportation safety requirements for this device.
I hope this information is helpful. Please contact us if we can be of further assistance.
Sincerely,
Dirk Der Kinderen
Chief, Standards Development Branch
Standards and Rulemaking Division
1 A “set” of cells or batteries is the number of individual cells or batteries that are required to power each piece of
equipment.

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20 0G08
Logistics
January 19, 2015
Mr. Shane Kelly
Director
Standards and Rulemaking Division
U.S. DOT/PHMSA (PHH-10)
1200 New Jersey Avenue, SE East Building, 2nd Floor
Washington, DC 20590
Re: Request for Letter of Interpretation Regarding Coin Cell Lithium Battery Exception Shipping
Limitations
Dear Mr. Kelly,
The purpose of this communication is to request a Letter of Interpretation regarding the exceptions
To the regulations for the shipping of coin cell lithium, ion batteries offered for air and ground
transportation .
The regulatory references driving this question are as follows:
(HMR; 49 CFR Parts 171-180), provisions of Special Provision {SP) 188 of§ 172.102{c) (1).
Situational Summary
FedEx Logistics in conjunction with FedEx Services is in the process of initiating a shipment monitoring
process involving lithium battery powered sensor devices.
The devices in question are to be powered by coin cell sized lithium batteries.
Because of the size of these batteries the batteries are granted exceptions from certain marking,
labeling, packaging and documentation per the aforementioned reference above
FedEx Services is operating with the understanding that the coin cell sized batteries coupled with the
exceptions granted that the number of items shipped in a single package is virtually unlimited.

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Request for Letter of Interpretation Regarding Coin Cell Lithium Battery Exception Shipping
Limitations-continued
The shipping scenarios that FedEx is wanting to use based on the exceptions is shown below
1. 1 TRON ID Node contains one Li-Ion button cell battery. This node contained within one
shipment:
a. ~ regulated
b. ~classified as exempt DG . Is this not the same as " is not classified as a DG"?
c. does not require a Li-Ion placard labe l if equal or less then 100wh and less than 2
batteries per package. Here we are working under the "button cell" IATA reg. So there
is no labeling required for any quantity of button cells. Correct?
d. does not require any special handling.
2. 3. 100 TRON ID Nodes contained within one shipment (package), yes pkg and shipment used
synonymously here ...
a. ~ regulated
b. ~classified as exempt DG. See lb above.
c. does not require a Li-Ion placard label (if less than lO0wh,if less than 2 batteries per
package, the total weight is below the Sl<g limit) See le above here. And we will be
under the 5kg lim it anyways.
d. does not require any special handling.
500 or more TRON ID Nodes within one shipment: (package) See 2 above .
a. lUllilY regulated
b. ~classified as DG. This is only if the total weight of the package goes over SKgs,
correct ?
c. does require a Li-Ion placard label as there are more than 2 batteries per package ,the
total weight is above t he 5kg limit) A label is not req uired on button cells regard less of
qua nt ity unless it exceeds the 5kg lim it, correct?
d. does require special handling
In my role as a Dangerous Goods Compliance Advisor, I felt obligated to disagree with the assessment on
scenarios (2 & 3) as I felt it pushed the boundaries of the published exception scenario for the total
numbers of items to be shipped in one package.

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Request for Letter of Interpretation Regarding Coin Cell Lithium Battery Exception Shipping
Limitations-continued
What we are looking for if clarification on the following:
Whether coin cell batteries can be offered into transportation under exception provisions in an
unlimited amount per package for air and ground transportation?
Or
Would coin cell batteries offered under exception provisions past a certain aggregate number still
exhibit enough of a risk to considered dangerous and consequently would need to be shipped as fully
regulated items for air and ground transportation?
FedEx Logistics in conjunction with FedEx Services is looking to initiate new service enchancements using
lithium battery powered data logging equipment.
Getting a response back to this inquiry as soon as humanly possible would help us to achieve these
goals.
I look forward to your response in this matter.
Sincerely,
Marvin A. Sudduth
Dangerous Goods Advisor
Logistics
FedEx Forward Depots Inc.
5025 Tuggle Rd .
Memphis, TN 38118
Office :-901-566-2833
Fax:-901-566-2906
Ema ii :masudduth@fedex.com
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