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Chief Counsel Interpretations
The Pipeline and Hazardous Materials Safety Administration, Office of the Chief Counsel, also provides informal and formal written interpretations of the Hazardous Materials Regulations (HMR; 49 CFR Parts 100-185). Formal interpretations are in the form of Federal Register publications and are listed below. Informal interpretations, also listed below, are included in the Hazardous Materials Interpretations searchable database and can be identified by "CHI" in the PHMSA ID field. Examples of the application of the HMR can also be found in Appeal Decisions.
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Formal Interpretations Issued by the Office of the Chief Counsel
There are no current interpretations.
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Informal Interpretations Issued by the Office of the Chief Counsel
PHMSA ID |
Date |
Company (or Individual) |
Regulation References |
CHI-15-0167 |
Sep 2, 2015 |
Bruce D. Green
|
171.1, 171.8, 175.1
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CHI-14-002 |
Oct 16, 2014 |
Bullfrog Fire & Safety
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107.202, 107.203, 107.205, 107.709, 107.805, 107.713, 180.205
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CHI-14-0036 |
Feb 26, 2014 |
Washington State Department of Ecology
|
171.1
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CHI-14-001 |
Feb 26, 2014 |
Reusable Industrial Packaging Association
|
180.350, 180.352
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CHI-13-001 |
Aug 16, 2013 |
Lawrence W. Bierlein
|
178.813, 180.352
|
CHI-12-0175 |
Jan 25, 2013 |
International Union UAW
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171.15, 171.8
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CHI-11-005 |
May 25, 2011 |
County of San Diego
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U.S.C. 5125
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CHI-11-002 |
May 25, 2011 |
County of San Diego
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U.S.C. 5125, 177.800
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CHI-11-001 |
May 10, 2011 |
Missouri Trucking Association
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107.201, 172.701
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CHI-11-004 |
May 10, 2011 |
Missouri Trucking Association
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172.201
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CHI-10-005 |
Oct 6, 2010 |
Meeks, Sheppard, Leo & Pillsbury
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171.8
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CHI-10-004 |
Aug 23, 2010 |
ACCU CHEM Conversion, Inc.
|
U.S.C. 5101, U.S.C. 5125, 171.1, 171.8
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CHI-10-0114 |
Aug 4, 2010 |
FMCSA Office of Enforcement and Compliance
|
U.S.C. 5103, U.S.C. 5121, U.S.C. 5125, 171.2
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CHI-10-006 |
Apr 1, 2010 |
Potomac Strategy Associates
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57 Fed. Reg. 45453, 71 Fed. Reg. 52019, 75 Fed. Reg. 5337
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CHI-10-003 |
Mar 30, 2010 |
B.J. Alan Company
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173.56, U.S.C. 5125, 107.23
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CHI-10-002 |
Mar 12, 2010 |
Wal-Mart Stores, Inc.
|
177.802
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CHI-10-001 |
Jan 20, 2010 |
Potomac Strategy Associates
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171.8, 178.801
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CHI-09-001 |
Nov 4, 2009 |
Wal-Mart Stores, Inc.
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171.9, 173.159
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CHI-07-001 |
Sep 7, 2007 |
Hoagland, Fitzgerald, Smith & Pranaitis
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U.S.C. 5125, 106.95 -106.105, Part 180
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CHI-07-002 |
May 9, 2007 |
Minnesota Department of Transportation
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49 U.S.C. 5101, 49 U.S.C. 5125, 107, 171.1, 397
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CHI-04-004 |
May 26, 2004 |
Science Applications International Corporation
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107.606
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CHI-04-009 |
May 25, 2004 |
State of Ohio EPA
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49 U.S.C. 5101, 49 U.S.C. 5125, 350, 350.201, 390-397
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CHI-04-003 |
May 18, 2004 |
Rhode Island Trucking Association, Inc.
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177.8
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CHI-04-008 |
Mar 12, 2004 |
State of Ohio EPA
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49 U.S.C. 5101, 67 Fed. Reg. 54967, 67 Fed. Reg. 53118, 67 Fed. Reg. 57637
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CHI-04-002 |
Mar 8, 2004 |
Agricultural Retailers Association
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172.802
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CHI-04-001 |
Feb 19, 2004 |
Agricultural Retailers Association
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172.802
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CHI-04-007 |
Feb 2, 2004 |
Harsco Corporation
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49 U.S.C. 5101, 171.2
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CHI-04-006 |
Jan 14, 2004 |
U.S. Department of Agriculture
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49 U.S.C. 5101, 49 U.S.C. 5102, 49 U.S.C. 5126, 171.2, 171.8, 173.6
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CHI-03-001 |
Jun 27, 2003 |
Department of California Highway Patrol
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49 U.S.C. 5125, 107.201, 172.802
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CHI-02-001 |
Jun 26, 2002 |
J.H. Walker Trucking
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171.1, 171.8, 49 U.S.C. 5125
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CHI-01-002 |
May 29, 2001 |
International Warehouse Logistics Association
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107.1
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CHI-01-003 |
Jan 24, 2001 |
Richard Siani and Mochael Law
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49 U.S.C. 5102
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CHI-00-001 |
May 22, 2000 |
Washington Metropolitan Area Transit Authority
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49 U.S.C. 5103, 107.606, 170.601, 171.8
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CHI-99-002 |
Aug 8, 1999 |
Majestic Distilling Company, Inc.
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171-180
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CHI-98-003 |
Aug 13, 1998 |
Westchester County
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49 U.S.C. 5125, 107.201, 171.8, 172.701, 172.704, 383.21, 396.11
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CHI-98-002 |
Apr 10, 1998 |
Southern California Edison
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49 U.S.C. 5125, 107.201
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CHI-97-005 |
Dec 12, 1997 |
U.S. Department of Energy
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49 USC 5101
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CHI-97-003 |
Aug 19, 1997 |
Lockheed Martin Energy Systems, Inc.
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49 USC 5101
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CHI-97-002 |
Jun 13, 1997 |
City of Fort Worth, TX
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171.1, 177.823, 171.8
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CHI-97-007 |
May 16, 1997 |
Center for Legal and Social Justice Immigration and Human Rights Clinic
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49 U.S.C. 5125, 107.201, 171.8, 174.14, 177.800, 263.12
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CHI-97-006 |
Apr 17, 1997 |
McKenna & Cuneo, LLP
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49 U.S.C. 5125, 107.201, 174.14
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CHI-96-002 |
Jun 27, 1996 |
City of Fairbanks, AK
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174.14
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CHI-96-001 |
Mar 7, 1996 |
Digital Audio Disc Corporation
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174.14, 105.5
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CHI-95-003 |
Oct 20, 1995 |
Maryland Department of the Environment
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49 U.S.C. 5125, 49 U.S.C. 5102, 45 U.S.C. 421, 171.1
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CHI-95-002 |
Aug 28, 1995 |
Dr. Burton Z. Davidson
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171.15, 171.16, 173.268
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CHI-95-001 |
Jun 13, 1995 |
U.S. EPA
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171.1, 171.8, 49 U.S.C. 5125, 49 U.S.C. 5126, 49 U.S.C. 5102
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CHI-94-005 |
Sep 26, 1994 |
California Environmental Projection Agency
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49 USC 5102
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CHI-94-009 |
Aug 9, 1994 |
Electrochemical Products, Inc.
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49 U.S.C. 5125, 49 U.S.C. 5110, 107.201, 107.211
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CHI-94-004 |
Jun 2, 1994 |
Nebraska Public Power District
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49 USC 5102
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CHI-94-003 |
Apr 19, 1994 |
California Department of Justice
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49 USC 5102
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CHI-94-002 |
Apr 18, 1994 |
Bechtel Petroleum Operations, Inc.
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171.1
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CHI-94-006 |
Jan 24, 1994 |
Michigan State Police
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49 App. U.S.C. 1811, 107.201
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CHI-94-007 |
Jan 24, 1994 |
Minnesota Department of Transportation
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49 App. U.S.C. 1804, 49 App. U.S.C. 1811, 107.201, 177.824, 180.407
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CHI-93-001 |
Jun 3, 1993 |
Horton, Knox, Carter, & Foote
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107.606, 107.601-107.620, 171.8
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CHI-93-002 |
Jun 3, 1993 |
U.S. Department of Energy
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107.606, 173.7, 107.600, 49 App. U.S.C. 1801, 49 App. U.S.C. 1818, 49 App. U.S.C. 1804, 49 App. U.S.C. 1820, 177.806
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CHI-92-002 |
Oct 13, 1992 |
Nuclear Regulatory Commission
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49 App. U.S.C. 1801, 49 App. U.S.C. 1818, 173, 173.7, 177.806
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CHI-92-001 |
Apr 1, 1992 |
Georgia Ports Authority
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49 App. U.S.C. 1801, 49 App. U.S.C. 1802, 49 App. U.S.C. 1804, 49 App. U.S.C. 1808
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CHI-91-002 |
Dec 5, 1991 |
U.S. Department of Energy
|
107.1
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CHI-91-001 |
Apr 23, 1991 |
U.S. Department of Energy
|
107.1
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CHI-89-001 |
Apr 14, 1989 |
National Tank Truck Carriers, Inc.
|
172.3, 173.22, 171.2, 171.3
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CHI-98-001 |
May 16, 1988 |
National Tank Truck Carriers, Inc.
|
171.2, 171.3, 172.3, 173.22
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CHI-87-003 |
Mar 2, 1987 |
Lawrence W. Bierlein, P.C.
|
173.301
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CHI-87-001 |
Feb 2, 1987 |
Illinois Department of Transportation
|
172.504, 172.505
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