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Section §173.22: Shipper's responsibility

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:

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: 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

View section 173.22 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
24-0004 Pillinger Miller Tarallo Fern B. Miller View
24-0021 Sasol Chemicals Nita Moniaga View
23-0105 SET Environmental, Inc. David Olsen, Jr. View
23-0093 Transportation Development Group Jim Powell View
23-0076 Mr. Tristan Amberger View
23-0079 Hazmat Safety Consulting, LLC Ryan Paquet View
23-0058 Carbochem Inc, Mr. Gavin Kahn View
23-0068 UL Solutions Kevin Skerrett View
23-0015 UralKali Trading Marcel Cisneros View
23-0001 Petra Industries, LLC Mr. Tyler Scott View
23-0005 Steve Laughlin View
22-0014 I.C.E. Service Group & SPS Strategic Packaging Systems Mr. Kurt Colborn View
22-0071 W.E. Train Consulting Mr. Gene Sanders View
22-0045 Parker Hannifin Corporation Erik Steinbeck View
22-0020 Justin Lacy View
22-0039 DHL Global Forwarding Dennis Raymund V. Franco View
22-0032 Shanghai Research Institute of Chemical Industry Testing Company, Ltd. Bin Fan View
21-0089 Molecule Corp. Company Nick Talken View
21-0082 Onepoint4 Ltd. Peter Shelley View
21-0068 Kajuligan, Inc. Cliff Croft View
21-0057 Hogan Lovells US LLP Latane R. Montague View
21-0044 Nevro Corp. Calvin Tsai View
21-0016 Amanda Davis View
20-0078 Starkey Laboratories, Inc. Dawn Gardner View
20-0030 ORBITAL ATK Robert Weston View
20-0063 DNA Genotek Austin Udocor View
20-0024 CC Metals and Alloys, LLC Joe Cruse View
19-0114 Entegris, Inc. Mr. James V. McManus View
19-0129 Goal Zero Christie Babalis View
19-0036 Hazmat Safety Consulting Bob Richard View
19-0034 Mr. W. A. Winters View
19-0032 Locus Biosciences, Inc. Nick Conley View
18-0128 Atlantic Ro-Ro Carriers, Inc. Andrei Lazourenko View
18-0088 Settoon Towing Nicholas Kohnke View
18-0087 Scarpa Consultants Nicholas Scarpa, Ph.D. View
18-0022 Ercros David Nicolau Tous View
17-0077 Texas Highway Patrol Brad Gibson View
17-0067 Public Works - Naval Station Everett Andrew Roley View
18-0046 Hawks Logistics Steve Hawks View
18-0059 Global First Mr. Thomas Brennan View
18-0030 Lighting Technologies International, LLC Joe Rodriguez View
18-0043 Ventura County District Attorney's Office Mitchel Disney View
170077 Texas Highway Patrol Mr. Brad Gibson View
170067 Naval Station Everett Mr. Andrew Roley View
17-0066 Tyco Fire Protection Products Ms Kym Seth View
17-0018 AccuBeat Ltd. Mr. Jonathan Gurten View
16-0194 Vectron International, Inc Dr. Ram Arvikar View
11-0226 Spec Ops Company Jason Romero View
12-0271 Fred Guimond & Associates Mr. Fred Guimond View
11-0021 Kajuligan Corporation Mr. Clifford Croft View
10-0197 Oxford & Wells Mr. Ken Swenke View
08-0012 Utah Division of Radiation Control Mr. Boyd Imai View
99-0198 HB Fuller Company Mr. Eugene J. Secor View
13-0127 Public Utilities Commission of Ohio Transportation Department Mr. Tom Forbes View
15-0215 Dangerous Good Logistics Solutions, Inc. Mr. Kevin Lapp View
13-0161 Royal Oak Enterprises LLC Mr. Phillip Zimmerman View
99-0286 Chem One Corporation Mr. Thomas R. Goding View
10-0125 Anitox Corporation Kurt Richardson, Ph.D. View
01-0143 Fuji Foods, Inc. Ms. Kimberly Roberson View
15-0018 New Jersey State Funeral Directors Association, Inc. Mr. Guziejewski View
13-0001 Aris Electronics Mr. Avraham Rahimi View
11-0027 The Council on Safe Transportation of Hazardous Articles, Inc. Mr. Thomas W. Ferguson View
13-0205 Reid laboratories LLC Mr. Scott Hopkins View
06-0136 Samax Enterprises Mr. Perry J. Patton View
06-0055 Ferroatlantica Mr. Edward Hopkins View
10-0117 Polymet Alloys, Inc. Mr. Matt Gilmore View
99-0219 Uniroyal Chemical Company, Inc. Mr. Donald Hodder View
00-0073 Delta Analytical Corporation Mr. T. Jeff Jones View
11-0003 S.E. McDonough & Associates, Inc. Ms. Susan E. McDounough View
15-0041 Bombardier (Aerospace) Mr. Jeff Christafore View
99-0112 Ludvik Development Company Mr. Oscar Mirabel View
14-0052 Medivators Mr. Richard M. Ormsbee View
13-0002 UPS Mr. Samuel S. Elkind View
14-0072 Federal Motor Carriers Safety Administration (FMCSA) Mr. David Ford View
10-0221 Metropolis Industries, LLC Mr. Kyle Long View
15-0210 E.V. Logistics Coordinator Mr. Mike Casas View
11-0303 Integrated Chemical & Equipment Corp. Mr. Michael Gosselin View
00-0199 Florida Department of Environmental Protection Ms. Irene Gleason View
99-0033 Fine Metals Ms. Christy Schwartz View
00-0075 Innowave Incorporated Mr. Robert Haney View
15-0122 Hazmateam, Inc Mr. Paul Dambek View
15-0046 Dangerous Goods Department Mr. Sergio Bustamante M View
98-0518 Wastewater, Soil & Gas Analysis Inc. Dr. Kuldeep Verma View
15-0144 Labelmaster Services Mr. Robert Richard View
14-0020 Thunder Mountain (ThndrMntn™) Mr. William Gairloch View
14-0080 Discovery Laboratories, Inc Ms. Louise J. Calabretta View
14-0105 UTRON Kinetics, LLC Ms. Tesa Bell View
16-0093 Broadcom Limited Mr. Richard Laudano View
00-0294 Goldschmidt Chemical Corp. Mr. Michael Brobst View
00-0203 Mr. Kenneth Ozard View
16-0189 CTI and Associates, Inc. Ms. Terri Zick View
00-0022 SC Johnson Wax Professional Ms. Laura Bridges View
99-0016 Brent Industries Inc. Mr. Michael Culliton View
13-0114 WTS, Inc. Mr. James Moulds View
98-0512 Waste Management, Inc. Mr. Daniel L. Duncan View
01-0136 Law Offices of Fennemore Craig Anne N. Christenson, Esq. View
12-0038 Mr. Charles E. Tudor View
07-0024 Veolia ES Technical Solutions, L.L.C. Ms. Jennifer Eberle View
14-0153 Deitrich Engineering Mr. David Deitrich View
09-0260 Regulatory Resources, Inc. Mr. Wade A. Winters View
03-0008 Sea Sweep, Inc. Mr. William L. Mobeck View
99-0160 Applied Specialties Inc. Ms. Adrienne B. Scheurman View
99-0044 Fire Star Electric Match Mr. Jerry F. Dyben View
00-0110 Christenson Transportation, Inc. Mr. Barry McGowen View
11-0018 Aluminio No. 7 Ms. Isabel Martinez View
07-0089 LND, Inc. Mr. Spencer B. Neyland View
98-0572 Raloid Corp. Mr. Robert A. Robbins, QAR View
09-0119 Advance Asymmetrics, Inc. Mr. Lawrence D. Rutledge View
06-0039R Shane Havoc Consulting, LLC Dr. Gregory J. Sutherland View
07-0016 Mr. Dave Middleton View
13-0186 UTi Ms. Kathryn Singer View
99-0088 Ms. Carolyn Kossik View
12-0104 Hach Company Ms. Dragana Kostic Veneziano View
99-0126 Becton Dickinson Healthcare Systems Mr. Mark Welch View
99-0047 Texas Woman's University Charles L. Riggs, Ph.D. View
04-0143 Chemical Accident Reconstruction Services Inc Michael Fox, Ph.D View
11-0019 Kajuligan Corporation Mr. Clifford Croft View
13-0108R Eastex Crude Company Ms. Kathy Harris View
12-0058 Sandia National Laboratories, New Mexico Mr. David Castillo View
08-0202 Mr. Carl Severn View
09-0301 Tronox, LLC Mr. John Hatmaker View
99-0323 Piper, Marbury, Rudnick, & Wolfe, L.LP. Mr. Steven J. Groseclose View
10-0222 Environmental Resource Center Ms. Rebecca Spaulding View
16-0078 Environmental Resources Center Ms. Lizzie Clifton View
01-0002 Bernzomatic Mr. Roger L. Maxon View
99-0167 Virginia Polytechnic Institute and State University Mr. Frank Imperatore View
99-0242 Palmetto & Ellenton Funeral Homes and Crematory Mr. Alan Moore, LPD View
09-0271 Marine Spill Response Corporation Mr. Mike Sample View
07-0143 PerkinElmer Optoelectronics Mr. David Harmon View
13-0135 Patterson Companies, Inc. c/o Patterson Logistics Services, Inc Mr. Robb Boros View
15-0142 Covington & Burling LLP. Mr. Thomas Brugato View
15-0130 Green Environmental Consulting Ms. Peggy Haase View
09-0300 Sartorius Stedim Filters, Inc. Mr. José H. Braulio-Martinez View
16-0064 OR-CAL Inc. Ms. Brooke Baker View
10-0224 Corrigan Consulting, Inc. Mr. Wendell Honeycutt View
16-0012 Patterson Companies, Inc Mr. Robb Boros View
00-0159 Compliance and Response Management Mr. Henry Renfrew View
99-0176 Kagan Aerospace Corporation Mr. Gregory Maynard View
03-0128 Bioconvergence, Inc. Mr. Scott Kobryn View
05-0155 Sports Health Products Mr. Anthony Woods View
09-0273 Dow Corning Corporation Mr. Stephen V. Moser View
05-0167 Boasso America Corporation Mr. Tony Ortego View
99-0312 Tech-USA Marine Products Mr. Mike Campbell View
12-0189 Wirtgen America, Inc. Ms. Stephanie Dalton View
00-0312 Alkaloids Corporation Mr. Mano J. Karnani View
06-0111 AmeriPath Ms. Julie Frail View
98-0340 Fireworks Mfg. Co Inc. Mr. Ronald C. Snyder View
09-0262R Elkem Metals, Inc. Mr. George Scott View
99-0268 Heraeus Incorporated Mr. Franklin Hahn View
00-0182 U. S. Department of Labor Mr. John P. Seiler View
98-0366 Aero Tech Consumer Aerospace Mr. Gary C. Rosenfield View
06-0283 ISOTECH Laboratories, Inc. Mr. Dennis Coleman View
00-0238 Singapore Airlines Ltd Mr. M. Chandran View
05-0165 The Fertilizer Institute Ms. Pam Guffain View
12-0174 Process Technology Optimization, Inc. Dr. Tilak Bommaraju View
06-0134 Special Materials Company Mr. Adam Feldman View
02-0162 Johnson Matthey, Inc. Bill Erickson View
11-0036 Cusco Fabricators, Inc. Mr. Sarathi Chilukuri View
12-0039 Caterpillar, Inc. Mr. Jerry A. Shipman En View
00-0053 Office of Motor Carrier Safety Mr. Robert J. Brown, Jr. View
01-0211 Alloy & Metal Processors, Inc. Mr. William P. Murphy View
99-0186 International Carbon Black Association Mr. Jimmy W. Boyd View
03-0174 Woodside Inc. Andrew Woodside Ph.D. View
06-0091 Buckingham, Doolittle & Burroughs, LLP Mr. David J. Hrina  View
12-0268 Koppers Inc. Ms. Erin S. Murray View
14-0058 Transportation Systems Solutions Mr. Peter Olsen View
00-0013 Mr. Kurt Martin View
03-0078 Innovative Solutions & Technologies, L.L.C. Mr. Mike Lely View
07-0046 Degussa Corporation Mr. John Foglio View
13-0016 American Ordnance LLC Mr. Charles McDowell View
98-0400 Tamaya Chemical Corporation Mr. Steven Charles Hun View
00-0067 Air Freight Center, Inc. Mr. William Warder View
99-0270 Sperry-Sun Drilling Services Mr. Jack E. Gilbert, Jr. View
99-0078 Willett Labeling Company Ms. Alberta Millar View
98-0378 Hilti, Inc. Mr. Marlyn Boyce View
98-0237 Director Spectra Gases, Inc. Ms. Elaine Bradford View
10-0124 Food Safety Net Services LTD Mr. Timothy J. Santy View
10-0133 American Ordnance LLC Iowa Army Ammunition Plant T. Bradley Vance View
06-0180 HMT Associates, L.L.C Mr. E.A. Altemos  View
CHI-98-001 National Tank Truck Carriers, Inc. Clifford J. Harvison View
12-0181 Railroad Regulatory Safety Services Mr. Raymond Kasey View
04-0096 Chemical Lime Company Mr. Kevin Anderson View
12-0162 Kiddie Fenwal Inc. Mr. Gil Walton View
13-0226 Air Techniques, Inc. Mr. Michael Toole View
CHI-89-001 National Tank Truck Carriers, Inc. Clifford J. Harvison View
99-0289 Lee Products Company Mr. Faye Roy View
05-0132 nanoCoolers Mr. Craig Johnston View
09-0137 J.B. Hunt Transport, Inc. Mr. Jon Adams View
16-0150 Entegris Mr. John Gaudreau View
08-0105 Vital Diagnostics Ms. Hardy View
11-0216 Mirion Technologies Mr. James E. Lynch View
09-0056 Mr. Gene Sanders Thermo Fisher Scientific View
09-0142 Westinghouse Electric Company LLC Mr. Michael D. Alston View
12-0061 David L. McLamb, Inc. Mr. David L. McLamb View
10-0169 Wiley Rein LLP Mr. George Kerchner View
06-0041 ShipMate, Inc. Mr. Steven Charles Hunt  View
04-0270 Centers for Disease Control and Prevention Vincent R. Hill, Ph.D., P.E. View
09-0151 Solstice Neurosciences Mr. David Schaper View
08-0249 Stericycle, Inc. Mr. Dan Fadgen View
08-0096 Sutherlands Ms. Tara Higgins View
06-0039 Shane Havoc Consulting, LLC Dr. Gregory J. Sutherland  View
04-0274 Hitachi Transport System (America) Ltd Ms. Gina Lupian View
05-0053 Space Gateway Support, LLC Mr. William Deneuté View
09-0248 Dangerous Goods Advisory Council Mr. Frits Wybenga View
12-0157 Perkins Coie Mr. Christopher J. Sutton View
06-0043 NRS Logistics, Inc. Mr. David Hiromura  View
07-0111 Dr. Lilly Langer View
09-0223 Hydrotest Tech. Mr. David A. Wright View
06-0036 Greif Mr. Rich Kovaleski View
07-0125 Dupont Automotive Systems Ms. Randylynn Bourassa View
09-0069 Thermo Fisher Scientific Mr. Gene Sanders View
12-0028 Waste and Compliance Management, Inc. Mr. Eric Smith View
05-0104 Degussa Corporation Mr. John Foglio View
06-0214 Industrial Health & Safety Consultants Ms. Denese Deeds View
06-0076 Regulatory Resources, Inc. Mr. Wade Winters  View
15-0219 Intelligent Energy Mr. Douglas Knight View
06-0030 TEN-E Packaging Services, Inc. Mr. Robert J. Ten Eyck View
09-0233 Thermo Fisher Scientific Mr. Gene Sanders View
15-0151 HS&E Coordinator Mr. Peter Leus View
09-0267 ChemADVISOR, Inc. Mr. Kevin Lapp View
11-0122 Safety Management Services Inc. Mr. A. Garn Butcher View
06-0231 Millennium Rail, Inc. Mr. J. F. Moore View
12-0238 Wers Professional Services Mr. Kevin Skerrett View
14-0167 Currie Associates, Inc. Mr. Tom Ferguson View
09-0269 Elkem Metals Inc. Mr. George Scott View
15-0206 Valley Building Center Mr. David French View
09-0127 Saint-Gobain Crystals Mr. Jeffrey L. Kennedy View
13-0222 Dr. Matthew Williams View
14-0169 A.S. Trust & Holdings, Inc. Mr. Richard Maruya View
11-0169 Ropak Packaging Mr. Terry Iker View
15-0169 Amazing Products Inc. Ms. Jackie Skaggs View
08-0305 Elpro Services, Inc. Mr. Martin Peter View
01-0025 Grayson Hill Farm Mr. Chris Schimp View
03-0311 Mr. Joseph Sanok View
11-0070 DS Environmental Solutions Mr. Ricardo Guerra View
09-0042 Thermo Fisher Scientific, Customer Channels Group Mr. Gene Sanders View
09-0054 Ricca Chemical Company LLC Mr. Loren K. Lowry View
11-0133 View
04-0176 Shipmate, Inc. Mr. Robert Tieman View
15-0051 Scientific Innovations, LLC Mr. Steve Foster View
13-0065 Huntsman LLC Mr. Mike Stillwell View
11-0260 W.E. Train Consulting Mr. Gene Sanders View
06-0248 Currie Industrial Services, LLC Mr. Allan B. Currie, Jr. View
03-0201 Gulf Trading (Alabama), Inc. Mr. Mark Walker View
03-0039 Baker Hughes Mr. John W. Miggins View
13-0073 Aceto Corporation Ms. Suhey Francisco View
14-0081 Atotech USA Inc. Ms. Patricia Siefferman View
09-0043 Otto Environmental Systems Mr. Rob Ellis View
14-0006 Veolia ES Technical Solutions, L.L.C. Mrs. Jennifer Eberle View
08-0129 Volunteer Drum Mr. Jack Oody View
02-0032 Elite Consumer Products Mark Chevrier View
08-0142 Mr. Larry A. Berg Celtech Corporation View
09-0049 Thermo Fisher Scientific Mr. John G. Mayfield View
11-0150 Holland & Knight LLP Mr. Jonathan Epstein View
04-0014 Jet-Lube, Inc. Mr. Donald A. Oldiges View
13-0076 Patterson Companies, Inc. Mr. Robb Boros View
16-0005 CMA CGM (America), LLC. Mr. Chris Godfrey View
07-0101 Degussa Corporation Mr. John Foglio View
04-0175 Swidler Berlin Shereff Friedman, LLP Mr. Robert N. Steinwurtzel View
01-0059 Rapid Aid Ms. Judy Burtch View
00-0034 EAC Corporation Mr. Keith B. Berkholtz View
01-0061 Glencore Mr. Michael O'Connell View
07-0103 Greenberg Traurig, LLP Mr. Sanford M. Saunders, Jr, Mr. Kenneth P. Kaplan View
04-0183 Raytheon Aircraft Company Ms. Karen L. Baxter View
13-0041 Carry and Clean, LLC Mr. H. Michael Lord View
03-0303 Nene Labs Mr. Jeff Jerome View
98-0268 Rocketflite Mr. Greg Dyben View
14-0248 R&S Compliance group, LLC. Mr. David Rivers View
08-0293 S.H. Bell Company Mr. Chris McKenzie View
00-0065 Horning's Incorporated Ms. Kathy M. Koppe View
03-0038 Statlab Medical Product Mr. John Bickel View
05-0119 Department of the Army Mr. Alvin Char View
05-0205 Gallagher & Kennedy Mr. Chris S. Leason View
01-0216 Mr. Larry J. Talley View
12-0165 DRMS-VSE Mr. Sandy Clark View
11-0061 Ventura Transfer Company Mr. Jim Cheney View
06-0187 Miller and Company Mr. Ed Koziorowski  View
10-0061 Bozel LLC Ms. Kelley O'Connor View
01-0217 Mr. Alan Wilds View
01-0319 ECD Engineering Ms. Karen Schaaf View
00-0129 Dangerous Goods and Cargo Security Division William G. Wilkening View
14-0141 Innovage, LLC Mr. Ron Van Bavel View
08-0146 L-3 Vertex Aerospace LLC Mr. Stephen W. Miller View
01-0271 Electron Microscopy Sciences Mr. Carole J. McNamara View
01-0277 Mr. Steven Smith View
01-0248 Fluor Hanford Waste Services Mr. Paul W. Martin View