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173.185

Section §173.185: Lithium cells and batteries

Below are the available interpretations and guidance for the given section. To return to the list of parts, use the Parts link above. If you do not see any guidance or interpretation information below, that means there is none available for the given part/section. Return to the search page to browse additional regulations sections.

PHMSA has published several Frequently Asked Questions (FAQ) documents on regulatory topics. Please review our FAQ documents below:

https://www.phmsa.dot.gov/about-phmsa/phmsa-faqs.

Additionally PHMSA has Hazardous Materials FAQs based on letters of interpretation on the following topics:

This section of the website provides the ability to find regulations information including regulations parts, content of sections, and interpretations for regulations sections. Below is a list of parts, identified by the part number and subject. To browse sections by part, click on the subject link below. You will be taken to the eCFR website to view sections for a part.

A written regulatory interpretation, response to a question, or an opinion concerning a pipeline safety issue may be obtained by submitting a written request to the Office of Pipeline Safety (PHP–30), PHMSA, U.S. Department of Transportation, 1200 New Jersey Avenue SE., Washington, DC 20590–0001 or at the email address: pipeline_interp_submittal@dot.gov. In addition to email address, the requestor must include his or her return address and should also include a daytime telephone number. Requests should be submitted at least 120 days before the time the requestor needs a response.

Note: electronic submission is provided as alternative to the 49 CFR Part 190.11(b) mail-in requirement.

The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to PHMSA.Webmaster@dot.gov.

View section 173.185 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
24-0115 AJ Networks Austin Yang View
24-0070 ProteQ Ben Smith View
24-0034 ProteQ Ben Smith View
24-0035 Railsback HazMat Safety Professionals, LLC Rex Railsback View
24-0064 TriEnda Jacob Hacker View
24-0050 Scopelitis, Garvin, Light, Hanson & Feary Timothy W. Wiseman View
24-0019 ProteQ Mr. Marc Gordnier View
23-0055 Amazon Inc. Mr. Josh Galvarino View
23-0045 L-H Battery Company, Inc. Mr. Rick Riggle View
23-0088 Wabtec Corporation Vincent M. Melillo View
23-0091 Honda Development and Manufacturing of America Mr. Joe Williamson View
23-0040 DHL Global Forwarding (RADIX International) Dennis Raymund V. Franco View
22-0102 Transportation Development Group, LLC Jim Powell View
22-0007 Consolidated Nuclear Security Chris Carthel View
22-0044 Transportation Development Group, LLC Jim Powell View
21-0037 Law Offices of Steven W. Hansen Steven W. Hansen View
21-0058 KBI Paul D. Johnson View
21-0052 Amazon Marianna Patterson View
21-0048 EnerSys Steven Spease View
21-0050 Arcimoto, Inc. Pete Z View
21-0044 Nevro Corp. Calvin Tsai View
21-0022 Hazmat Safety Consulting Bob Richard View
20-0087 DHL Global Forwarding Philip Poland View
20-0078 Starkey Laboratories, Inc. Dawn Gardner View
20-0061 LG Chem Michigan, Inc. Ms. Sarah Kim View
20-0058 DHL Global Forwarding Dennis Raymund V. Franco View
20-0008 FedEx Logistics Marvin Sudduth View
19-0083 Currie Associates L’Gena Shaffer View
20-0032 Andres A. Burgos View
19-0088 TerraTrike Lisa Permesang View
19-0137 Lithium-Batterie-Service GbR Eva Glimsche View
19-0129 Goal Zero Christie Babalis View
19-0110 Aclara Bill Laudolff View
19-0085 EnerSys Steve Spease View
19-0101 Council on the Safe Transportation of Hazardous Articles (COSTHA) L’Gena Shaffer View
19-0057 Dangerous Goods Transport Consulting, Inc. Frits Wybenga View
19-0080 Mercedes-Benz U.S. International, Inc. Joshua Galvarino View
19-0084 Duke Energy Charles Denny View
19-0028 J.J. Keller and Associates, Inc. Thomas J. Ziebell View
19-0041 Dangerous Goods Advisory Council Del Billings View
19-0013 Hunter Fan Company Tony Bacon View
19-0003 Cabela's Dale Kettler View
18-0161 MSC Industrial Direct David Cox View
18-0159 Dorsey and Whitney LLP Mark R. Kaster View
18-0156 Mr. Joseph Tsiyoni View
18-0098 Mr. Richard J. Lloyd View
18-0119 Cascade Asset Management, LLC John Sorrel Weakland View
18-0142 Lifetime Brands, Inc. Jeff Koon View
18-0105 Sidley Austin LLP Judah Prero View
18-0084 Ingram Tim Morgan View
18-0073 Sperberstr 50e Eva Glimsche View
17-0101 Preco, Inc. Brian Wiedow View
17-0080 Transportation Development Group LLC James Powell View
17-0019 Nissan Group of North America Mark Marson View
17-0116 Arvato Digital Services, LLC Manuel Gonzalez View
17-0071 A123 Systems, LLC Joe Shi View
17-0127 Sandia National Laboratories Shawn Colborg View
17-0053 View
08-0052 ILS Manager - Aircraft Mr. Greg Hardwick View
06-0141 LG Chem/Mobile Energy Company Hyeong " Jin Kim, Ph.D.  View
08-0173 Cannondale Sports Group Mr. Zach Krapfl View
15-0210 E.V. Logistics Coordinator Mr. Mike Casas View
08-0112 Southwest Electronic Energy Corp.                                      Mr. Randy Tanner                                            View
04-0141 Alston & Bird LLP Ms. Laura Lewis Owens View
13-0213 Lockheed Martin MST Mr. Kevin Unger View
11-0295 Precision Medical, Inc. Mr. Jim Parker View
07-0202 Department of the Navy, Naval Air Systems Command Mr. Joseph J. Krowitz View
99-0042 National Technical Systems Mr. Steve Farrar View
08-0236 Obadal, Filler, MacLeod & Klein, P.L.C. Mr. Colin P. Carroll View
16-0093 Broadcom Limited Mr. Richard Laudano View
12-0261 Vasco Data Security NV Mr. Marc Covens View
14-0017 URS Corporation Mr. Andrew Romach View
15-0061 Currie Associates, Inc. Ms. L'Gena Shaffer View
08-0209 Biodiversity Research Institute University of Kansas Mr. Andrew Bentley View
11-0307 ICC Nexergy Mr. David Brongiel A View
10-0017 MGA Research Corporation Mr. Michael Greiner View
16-0102 Amerflight Mr. Matt Payne View
08-0075 Terumo Heart, Inc.                                                           Mr. Keith Proctor                                                                             View
09-0085 Cell-Con, Inc. Mr. Steve Fricker View
09-0182 GE Sensing & Inspection Technologies Mr. Tom Piggin View
15-0017 Walmart Ms. Veronica Wilson View
08-0186 Altair Nanotechnologies, Inc. Mr. Jeffrey A. McKinney View
15-0114 Dorsey & Whitney LLP Mr. Mark Kaster View
98-0383 Radian International Mr. Andrew N. Romach View
16-0172 DGI Training Mr. Sean Kelly View
15-0043 Ingram Micro Inc. Mr. Glenn Williams View
13-0126 Naval Surface Warfare Center Energy Power & Interconnect Technologies Division Mr. Mark Tisher View
04-0154 CapAnalysis Mr. George A. Kerchner View
13-0177 CHART-SeQual Technologies, Inc. Mr. Neal Maloy View
08-0172 National Electrical Manufacturers Association Mr. Craig Updyke View
15-0100 Rayovac Corporation Mr. Richard Weinberger View
15-0207 Department of Army Mr. Marco Boasso View
15-0027 Texas Instruments Incorporation Mr. Louis Le View
16-0123 Scopelitis, Garvin, Light, Hansen & Feary, P.C. Timothy Wiseman View
13-0096 Manufacturing and Supply Chain Services Mr. Todd A. Strobel View
14-0003 Wiley Rein LLP Mr. George Kerchner View
13-0179 PTP Consulting, Inc Carol Brozosky, CHMM, CET View
09-0066 URS Corporation Mr. Andrew Romach View
12-0097 INOVA Geophysical Equipment Ltd. Mr. Harold Sackett View
98-0544 nternational Air Transportation Mr. Gary Dixon View
12-0195 Philips Respironics Mr. Joseph E. Olsavsky View
15-0163 MPS Group Ms. Cynthia Walczak View
99-0070 Delphi Automotive Systems Mr. Dave McCullough View
12-0031 Wiley Rein LLP Mr. George Kerchner View
13-0184 Coda Energy Mr. Chris Aragon View
08-0237 OxLife LLC Mr. Stuart H. Bassine View
08-0051 Phillips Medical Systems Mr. Alan Greenstein View
98-0543 SAFT America Inc Mr. Chip Wildes View
15-0021 United Parcal Service Mr. Samuel S. Elkind View
16-0003 Mr. Richard Lloyd View
12-0251 Resistacap Energy Products Mr. Davy Hicks View
12-0040 Matthews Associates, Inc. Mr. George F. Foucher View
14-0162 Global Satellite Engineering Mr. Scott Walters View
13-0034 Labelmaster Services Mr. Robert Richard    View
11-0044 O2 Concepts, LLC Ms. Kathryn G. Forgione View
98-0540 HMT Associates, L.L.C Mr. E.A. Altemos View
09-0188 Wiley Rein LLP Mr. George Kerchner View
09-0261 Westgate Transportation Services, Inc. Mr. Richard J. Lloyd View
12-0252 CHART-SeQual Technologies, Inc. Mr. Ben Kadrlik View
14-0012 Mr. Adrian Shipman View
14-0207 Wiley Rein LLP Mr. George Kerchner View
16-0125 UPS Airlines Mr. Bob McClelland View
10-0264 Liquid Robotics, Inc. Mr. Roger Hine View
15-0185 HDI Gauges Mr. Gary Rohn View
16-0045 Label master Services, Inc. Mr. Robert Richard View
13-0156 Matthews Associates, Inc Mr. George Foucher View
11-0285 Philips Respironics Mr. Joseph E. Olsavsky View
10-0241 Oxus, Inc. Mrs. Joan Rolwing View
14-0218 Maxxsonics Mr. Ken Eldridge View
16-0022 EMC Corporation Mr. Kendall Wilcox View
15-0009 Mr. Mike Revis View
12-0199 AirSep Corporation Mr. Richard W. Boerdner View
07-0199 Department of Defense Explosive Safety Board Mr. Curtis M. Bowling View
12-0245 VBOX Inc. Mr. Andy Linn View
12-0137 Data Domain, BRS Division of EMC Corporation Mr. Kendall Wilcox View
09-0303 Electrochem Solutions Mr. Todd Sweetland View
10-0199 Britton & Associates, S.C. Mr. Larry J. Britton View
16-0206 Vergio Mr. Justin Zhou View
11-0025 Securaplane Technologies, Inc. Mr. Rod Iverson View
08-0006 SIEMENS Building Technogies, Inc. Mr. Adam Jablonski View
05-0076 Wiley Rein & Fielding LLP Mr. George A. Kerchner View
05-0278 Regulatory Resources, Inc. Mr. Bruce McLees View
06-0079 House of Batteries Mr. Brion Munsey  View
12-0078 Rechargeable Battery Association Mr. George Kerchner View
06-0216 Wiley Rein and Feuding LLP Mr. George A. Kerchner  View
15-0171 AECOM Mr. Andrew Romach View
10-0173 Intertek Mr. Rich Byczek View
09-0249 Dangerous Goods United Airlines Ms. Nancy Finkenkeller View
14-0158 Mr. Richard J. Lloyd View
09-0255 Wiley Rein LLP Mr. George Kerchner View
14-0163 Dentons US LLP Mr. James W. Rubin View
08-0028 Raytheon Missile Systems Mr. Steve Jacob View
09-0158 LTL and Conslidation Consultant C.H. Robinson-Ann Arbor Branch Ms. Jennifer Kaczmarczyk View
08-0032 Invacare Corporation Ms. Carroll Martin View
09-0160 National Electrical Manufacturers Association Mr. Kyle Pitsor View
11-0268 Wiley Rein LLP Mr. George Kerchner View
11-0229 Inogen, Inc. Mr. Matt Scribner View
05-0044 FedEx Express Corporate Safety Department Mr. Marvin Sudduth  View
14-0089 URS Corporation Mr. Andrew Romach View
09-0210 A123 Systems Mr. C. Michael Hoff View
05-0036 Wiley Rein & Fielding LLP Mr. George A. Kerchner View
07-0106 Cobasys Mr. Anthony J. Serventi View
09-0143 Wiley Rein LLP Mr. George Kerchner View
10-0163 SeQual Technologies, Inc. Ms. Pamela J. Jackson View
04-0283 ATA HMC COMAT Taskforce Mr. Les Ado View
10-0135 Naval Surface Warfare Center Energy Power & Interconnect Technologies Division Mr. Mark Tisher View
17-0023 Solvay CYTEC Group Mr. Geoffrey De Vinney View
09-0155 Inogen, Inc. Mr. Matt Scribner View
08-0147 ComSonics, Inc. Mr. Daniel Brown View
09-0047 FedEx Express Mr. Marvin A. Sudduth View
10-0071 Holland & Knight Law Firm Mr. Jonathan Epstein View
11-0150 Holland & Knight LLP Mr. Jonathan Epstein View
11-0110 Delta Air Lines, Inc. Mr. Rick Blenkush View
03-0207 Nexergy, Inc Mr. Philip J. Glandon View
11-0056 Raytheon Network Centric Systems Integrated Communication Systems Ms. Janette Parker View
11-0143 ICC Nexergy Mr. David Brongiel View
05-0215 SeQual Technologies, Inc. Ms. Pamela J. Jackson View
14-0246 Wiley Rein LLP Mr. George Kerchner View
06-0159 Matthews Associates, Incorporated Mr. David Hopkins View
08-0305 Elpro Services, Inc. Mr. Martin Peter View
09-0008 Mr. Patrick Oppenheimer FedEx Express View
11-0072 AirSep Corporation Mr. Richard W. Boerdner View
11-0074 Currie Associates, Inc. Mr. Tom Ferguson View
08-0161 Portable Rechargeable Battery Association Mr. George Kerchner View
16-0018 UPS Airlines Mr. Bob McClelland View
10-0080 Swatch Group Mr. Thomas Affolter View
08-0266 International Biophysics Corporation (IBC) Mr. William R. Wilkinson View
08-0267 National Electrical Manufacturers Association Mr. Kyle Pitsor View
05-0193 MGA Research Corporation Mr. Anthony J. Angello View