# COLUMBIA GAS TRANSMISSION, LLC — Warning Letter

- **operation:** document
- **citation:** CPF 12022064WL
- **title:** COLUMBIA GAS TRANSMISSION, LLC — Warning Letter
- **source type:** enforcement
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2022-08-03
- **effective on:** Not available
- **summary:** CLOSED warning letter citing 192.605(a), 192.709(c).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-enforcement-12022064wl.json
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- **app url:** https://regulus.evalyn.ai/document/phmsa-enforcement-12022064wl
- **source url:** https://primis.phmsa.dot.gov/enforcement-data/case/12022064WL
**body:**

Warning Letter involving COLUMBIA GAS TRANSMISSION, LLC. PHMSA's enforcement data identifies the cited regulations as 192.605(a),  192.709(c). The case was opened on 2022-08-03 and is reported as closed as of 2022-08-03. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

12022064WL_Warning Letter_08032022_(20-171881).pdf: https://primis.phmsa.dot.gov/enforcement-documents/12022064WL/12022064WL_Warning%20Letter_08032022_(20-171881).pdf

12022064WL_Warning Letter_08032022_(20-171881)_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/12022064WL/12022064WL_Warning%20Letter_08032022_(20-171881)_text.pdf

12022064WL_Warning Letter_08032022_(20-171881)_text.pdf

WARNING LETTER
VIA ELECTRONIC MAIL TO: stanley chapman iii@tcenergy.com
August 3, 2022
Mr. Stanley Chapman III
Executive Vice-President and President, U.S. and Mexico Natural Gas Pipelines
Columbia Gas Transmission, LLC
700 Louisiana Street
Houston, Texas 77002
CPF 1-2022-064-WL
Dear Mr. Chapman:
From October 25, 2021 to March 1, 2022, representatives from the Pipeline and Hazardous
Materials Safety Administration (PHMSA) pursuant to Chapter 601 of 49 United States Code
(U.S.C.) inspected Columbia Gas Transmission, LLC’s (Columbia) pipeline facilities located in:
Bedford, Fayette, Greene and Summerset counties in Pennsylvania; Mineral, Monongalia and
Preston Counties in West Virginia; and Allegany, Garret, Montgomery, Howard, Baltimore,
Hartford and Cecil Counties in Maryland.
As a result of the inspection, it is alleged that you have committed probable violations of the
Pipeline Safety Regulations, Title 49, Code of Federal Regulations (CFR). The items inspected
and the probable violations are:
1. § 192.605 Procedural manual for operations, maintenance, and emergencies.
(a) General. Each operator shall prepare and follow for each
pipeline, a manual of written procedures for conducting operations and
maintenance activities and for emergency response. For transmission
lines, the manual must also include procedures for handling abnormal
operations. This manual must be reviewed and updated by the operator
at intervals not exceeding 15 months, but at least once each calendar
year. This manual must be prepared before operations of a pipeline
system commence. Appropriate parts of the manual must be kept at
locations where operations and maintenance activities are conducted.



Columbia failed to follow its manual of written procedures. Specifically, Columbia failed to
follow its Control and Monitoring Systems, Tests, and Inspections at Gas Facilities, dated
11/01/18 (C&M Procedure), Section 4 ‘Work Instruction’, regarding documenting over pressure
protection device inspections as required by § 192.605(a).
Columbia’s C&M Procedure contained procedures for inspecting both static pressure transmitters
(Transmitters) and signal to pressure I/P transducers (Transducers). Section 4.1 of this procedure
included steps for verifying operating point ‘As Found’ pressure and documenting this reading on
the inspection records for Transmitters. Section 4.6 included steps for verifying 3-point up range
and operating point ‘As Found’ and ‘As Left’ measurements and documenting these readings on
the inspection records for Transducers.
During the inspection, PHMSA requested records for the testing and inspection of overpressure
protection devices located at Bruceton Mills Compressor Station and Salisbury Compressor
Station for calendar years of 2017-2020. Columbia provided Bruceton Mills CS records
“10994398 Transducer, Pressure -- TP364-1” and “10994416 Transducer, Pressure -- TP364-2”,
and Salisbury CS records “10994536 Transducer, Pressure -- TP364-1P” and “10994557
Transducer, Pressure -- TP364-2P”.
Based on PHMSA’s review of those records, Columbia failed to follow its C&M Procedure
regarding documenting the operating point ‘As Found’ and other required measurements of these
devices at the time of the inspections. Records for (4) pressure transducers identified as Bruceton
Mills CS device tags TP364-1 and TP364-2, and Salisbury CS device tags TP364-1P and TP364-
2P, were reviewed for calendar years 2017 - 2020 and were found to lack this information. There
were no data readings in the 2017 and 2018 inspection years. Further, work order fields for
subsequent records directed the technician to input measurement point data pursuant to Sections
4.1.1.10 and 4.1.1.11 of the C&M Procedure which applies to Transmitters, despite these devices
being documented as Transducers. The 2019 and 2020 records documented “0 PSIG” as the value
for the operating point ‘As Found’ reading, which may not be valid operating point(s) on a
pressurized system. It is unclear from these records as to the type of devices being inspected
(Transmitters or Transducers), however, they were presented to the inspector to be over pressure
protection pressure Transducer devices. None of the records provided documented a 3-point up
range or ‘As Left’ values pursuant to Section 4.6 of the procedures. Overall, the records were
unclear as to what inspection procedure was followed, and unclear as to what the operating point
‘As Found’ pressure being recorded was.
Therefore, Columbia failed to follow the applicable portions of its C&M Procedure regarding
documenting its inspections of these devices, as required by § 192.605(a).
2. § 192.709 Transmission lines: Record keeping.
Each operator shall maintain the following records
for transmission lines for the periods specified:
(a) …
(c) A record of each patrol, survey, inspection, and test required by
subparts L and M of this part must be retained for at least 5 years or



until the next patrol, survey, inspection, or test is completed, whichever
is longer.
Columbia failed to maintain records demonstrating leakage surveys were performed using leak
detector equipment on its MB transmission line (Potomac River to Rockville, MD) during 2019
pursuant to § 192.706(a).
Section 192.706(a) states:
Leakage surveys of a transmission line must be conducted at intervals not
exceeding 15 months, but at least once each calendar year. However, in the case of
a transmission line which transports gas in conformity with §192.625 without an
odor or odorant, leakage surveys using leak detector equipment must be
conducted—
(a) In Class 3 locations, at intervals not exceeding 7 ½ months, but at least twice
each calendar year; and
During the inspection, PHMSA requested Columbia’s 2018 to 2020 records related to
instrumented leakage surveys for the MB transmission line in a no-fly zone located between the
Potomac River and Rockville, MD. This portion of the MB transmission line is a class 3 location
without odorant and is in a designated no fly zone that stretches for approximately 9 miles.
Columbia failed to provide records demonstrating that instrumented leak surveys were performed
for the MB pipeline during calendar year 2019.
Therefore, Columbia failed to maintain 2019 records of leakage surveys utilizing leak detector
equipment pursuant to § 192.706(a) for portions of its MB transmission line, as required by
§ 192.709(c).
Under 49 U.S.C. § 60122 and 49 CFR § 190.223, you are subject to a civil penalty not to exceed
$239,142 per violation per day the violation persists, up to a maximum of $2,391,142 for a related
series of violations. For violation occurring on or after May 3, 2021 and before March 21, 2022,
the maximum penalty may not exceed $225,134 per violation per day the violation persists, up to
a maximum of $2,251,334 for a related series of violations. For violation occurring on or after
January 11, 2021 and before May 3, 2021, the maximum penalty may not exceed $222,504 per
violation per day the violation persists, up to a maximum of $2,225,034 for a related series of
violations. For violation occurring on or after July 31, 2019 and before January 11, 2021, the
maximum penalty may not exceed $218,647 per violation per day the violation persists, up to a
maximum of $2,186,465 for a related series of violations. For violation occurring on or after
November 27, 2018 and before July 31, 2019, the maximum penalty may not exceed $213,268 per
violation per day, with a maximum penalty not to exceed $2,132,679. For violation occurring on
or after November 2, 2015, and before November 27, 2018, the maximum penalty may not exceed
$209,002 per violation per day, with a maximum penalty not to exceed $2,090,022.
We have reviewed the circumstances and supporting documents involved in this case, and have
decided not to conduct additional enforcement action or penalty assessment proceedings at this
time. We advise you to correct the items identified in this letter. Failure to do so will result in
Columbia Gas Transmission, LLC being subject to additional enforcement action.



No reply to this letter is required. If you choose to reply, in your correspondence please refer to
CPF 1-2022-064-WL. Be advised that all material you submit in response to this enforcement
action is subject to being made publicly available. If you believe that any portion of your
responsive material qualifies for confidential treatment under 5 U.S.C. 552(b), along with the
complete original document you must provide a second copy of the document with the portions
you believe qualify for confidential treatment redacted and an explanation of why you believe the
redacted information qualifies for confidential treatment under 5 U.S.C. 552(b).
Sincerely,
Robert Burrough
Director, Eastern Region, Office of Pipeline Safety
Pipeline and Hazardous Materials Safety Administration
Cc: Daniel Cerkoney <dan_cerkoney@tcenergy.com>
Amy Willis <amy_willis@tcenergy.com>
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