# HOPKINTON LNG CO — Warning Letter

- **operation:** document
- **citation:** CPF 120083002W
- **title:** HOPKINTON LNG CO — Warning Letter
- **source type:** enforcement
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2008-09-25
- **effective on:** Not available
- **summary:** CLOSED warning letter citing 193.2635, 193.2637.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-enforcement-120083002w.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-enforcement-120083002w.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-enforcement-120083002w
- **source url:** https://primis.phmsa.dot.gov/enforcement-data/case/120083002W
**body:**

Warning Letter involving HOPKINTON LNG CO. PHMSA's enforcement data identifies the cited regulations as 193.2635,  193.2637. The case was opened on 2008-09-25 and is reported as closed as of 2008-09-25. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

120083002W_Warning Letter_09252008_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/120083002W/120083002W_Warning%20Letter_09252008_text.pdf

120083002W_Warning_Letter_09252008.pdf: https://primis.phmsa.dot.gov/enforcement-documents/120083002W/120083002W_Warning_Letter_09252008.pdf

120083002W_Warning Letter_09252008_text.pdf

WARNING LETTER
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
September 25, 2008
Mr. Phil Andreas
Vice President, Operations
NSTAR/Hopkinton LNG Corporation
1 NSTAR Way
Westwood, MA 02090-9230
CPF 1-2008-3002W
Dear Mr. Andreas:
From March 25 to March 28, 2008, representative of the Pipeline and Hazardous Materials
Safety Administration (PHMSA) pursuant to Chapter 601 of 49 United States Code inspected
your liquefied natural gas plant in Hopkinton, Massachusetts.
As a result of the inspection, it appears that you have committed probable violations of the
Pipeline Safety Regulations, Title 49, Code of Federal Regulations. The items inspected and the
probable violation(s) are:



1. §193.2635 Monitoring corrosion control.
Corrosion protection provided as required by this subpart must be periodically
monitored to give early recognition of ineffective corrosion protection, including the
following, as applicable:
(a) Each buried or submerged component under cathodic protection must be tested
at least once each calendar year, but with intervals not exceeding 15 months, to
determine whether the cathodic protection meets the requirements of §192.463 of
this chapter.
Operator failed to meet the calendar year requirement in its monitoring of external corrosion of
the galvanic anode system protecting the underground propane tank used in the liquefaction
process. The operator monitored for external corrosion in December 2006 and in January 2008.
Evidence consists of the test records for those two evaluations.
2. §193.2637 Remedial measures.
Prompt corrective or remedial action must be taken whenever an operator learns by
inspection or otherwise that atmospheric, external, or internal corrosion is not
controlled as required by this subpart.
Operator found deficiencies in the external corrosion control due to low pipe-to-soil readings on
its galvanic anode system in December 2006 and January 2008. As of March 2008, the condition
had not been corrected.
Evidence includes external corrosion monitoring records from 2005 to 2008, procedures, order
for replacement parts and photos.
Under 49 United States Code, § 60122, you are subject to a civil penalty not to exceed $100,000
for each violation for each day the violation persists up to a maximum of $1,000,000 for any
related series of violations. Also, for LNG facilities, an additional penalty of not more than
$50,000 for each violation may be imposed. 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 Hopkinton LNG Corporation 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 1-2008-3002W. 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
2



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,
Byron Coy, PE
Director, Eastern Region
Pipeline and Hazardous Materials Safety Administration
3

120083002W_Warning_Letter_09252008.pdf

409 3rd Street, SW, Suite 300
Washington, DC 20024
Pipeline and
Administration
Hazardous Materials safety
WARNING LETTER
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
September 25, 2008
Mr. Phil Andreas
Vice President, Operations
NSTAR/Hopkinton LNG Corporation
1 NSTAR Way
Westwood, MA 02090-9230
CPF 1-2008-3002W
Dear Mr. Andreas:
From March 25 to March 28, 2008, representative of the Pipeline and Hazardous Materials
Safer administratial gas Man Hopkinton, Massachuset 49 United States Code inspected
As a result of the inspection, it appears that you have committed probable violations of the
Pipeline Safety Regulations, Title 49, Code of Federal Regulations. The items inspected and the
probable violation(s) are:



§193.2635 Monitoring corrosion control.
Corrosion protection provided as required by this subpart must be periodically
following, as applicable:
monitored to give early recognition of ineffective corrosion protection, including the
(a) Each buried or submerged component under cathodic protection must be tested
at least once each calendar year, but with intervals not exceeding 15 months, to
determine whether the cathodic protection meets the requirements of §192.463 of
this chapter.
Operator failed to meet the calendar year requirement in its monitoring of external corrosion of
the galvanic anode system protecting the underground propane tank used in the liquefaction
process. The operator monitored for external corrosion in December 2006 and in January 2008.
Evidence consists of the test records for those two evaluations.
8193.2637 Remedial measures.
Prompt corrective or remedial action must be taken whenever an operator learns by
inspection or otherwise that atmospheric, external, or internal corrosion is not
controlled as required by this subpart.
Operator found deficiencies in the external corrosion control due to low pipe-to-soil readings on
its galvanic anode system in December 2006 and January 2008. As of March 2008, the condition
had not been corrected.
Evidence includes external corrosion monitoring records from 2005 to 2008, procedures, order
for replacement parts and photos.
Under 49 United States Code, § 60122, you are subject to a civil penalty not to exceed $100,000
for each violation for each day the violation persists up to a maximum of $1,000,000 for any
related series of violations. Also, for LNG facilities, an additional penalty of not more than
$50,000 for each violation may be imposed. 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 Hopkinton LNG Corporation 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 1-2008-3002W. 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
2



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,
mah Nerdoff
Director, Eastern Rezion
Byron Coy, PE
Pipeline and Hazardous Materials Safety Administration
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