CHATTANOOGA GAS CO — Notice of Probable Violation

party submissionOfficial PDF42022025NOPV_Operator Response to Notice_03072022_(21-209144).pdf#

case documentOfficial PDF42022025NOPV_PCO_02102022_(21-209144).pdf#

case documentOfficial PDF42022025NOPV_PCO_02102022_(21-209144)_text.pdf#

42022025NOPV_Closure Letter_09252023_(21-209144)_text.pdf, page 1Official PDFVIA ELECTRONIC MAIL TO: ppcherry@southernco.com September 25, 2023 Pedro Cherry President and Chief Executive Officer Chattanooga Gas Company 10 Peachtree Place NE Atlanta, Georgia 30309 CPF 4-2022-025-NOPV Dear Mr. Cherry: From June 14, 2021, through July 8, 2021, a representative of the Pipeline and Hazardous Materials Safety Administration (PHMSA), Office of Pipeline Safety, pursuant to Chapter 601 of 49 United States Code (U.S.C.), inspected Chattanooga Gas Company’s (CHLNG) Peak Shaving Liquified Natural Gas (LNG) facility located in Hamilton County, Tennessee. As a result of the inspection, on April 11, 2022, CHLNG was issued a Final Order (Order) in the above-referenced case. This Order included a Compliance Order. Based on PHMSA’s review of the documentation CHLNG provided, it has been determined that CHLNG has complied with the terms of this Order. Accordingly, this case is now closed, and no further action is contemplated with respect to the matters involved in this case. Thank you for your cooperation in this matter. Sincerely, Bryan Lethcoe Director, Southwest Region, Office of Pipeline Safety Pipeline and Hazardous Materials Safety Administration cc: James M. Hotinger, P.E., Director, Regulatory Compliance, jhoting@southernco.com Ralph McCollum, Principal Compliance Engineer, rmccollu@southernco.com#

42022025NOPV_Final Order_04112022_(21-209144)_text.pdf, page 1Official PDFApril 11, 2022 VIA ELECTRONIC MAIL TO: ppcherry@southernco.com Mr. Pedro Cherry President and Chief Executive Officer Chattanooga Gas Company 10 Peachtree Place NE Atlanta, Georgia 30309 Re: CPF No. 4-2022-025-NOPV Dear Mr. Cherry: Enclosed please find the Final Order issued in the above-referenced case. It makes a finding of violation and specifies actions that need to be taken to comply with the pipeline safety regulations. When the terms of the compliance order are completed, as determined by the Director, Southwest Region, this enforcement action will be closed. Service of the Final Order by e-mail is effective upon the date of transmission and acknowledgment of receipt as provided under 49 C.F.R. § 190.5. Thank you for your cooperation in this matter. Sincerely, Alan K. Mayberry Associate Administrator for Pipeline Safety Enclosures (Final Order and NOPV) cc: Ms. Mary McDaniel, P.E., Director, Southwest Region, Office of Pipeline Safety, PHMSA Mr. James M. Hotinger, P.E., Director, Regulatory Compliance, Chattanooga Gas Co., jhoting@southernco.com CONFIRMATION OF RECEIPT REQUESTED#

42022025NOPV_Final Order_04112022_(21-209144)_text.pdf, page 2U.S. DEPARTMENT OF TRANSPORTATION PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION OFFICE OF PIPELINE SAFETY WASHINGTON, D.C. 20590 ____________________________________ ) In the Matter of ) ) Chattanooga Gas Company, ) CPF No. 4-2022-025-NOPV a subsidiary of Southern Company, ) ) Respondent. ) ____________________________________) FINAL ORDER On February 10, 2022, pursuant to 49 C.F.R. § 190.207, the Director, Southwest Region, Office of Pipeline Safety (OPS), issued a Notice of Probable Violation (Notice) to Chattanooga Gas Company (Respondent). The Notice proposed finding that Respondent had violated the pipeline safety regulations in 49 C.F.R. Part 193. The Notice also proposed certain measures to correct the violation. Respondent did not contest the allegations of violation or corrective measures. Based upon a review of all of the evidence, pursuant to § 190.213, I find Respondent violated the pipeline safety regulations listed below, as more fully described in the enclosed Notice, which is incorporated by reference: 49 C.F.R. § 193.2801 (Item 1) ─ Respondent failed to perform an adequate fire protection evaluation and design an adequate fire water supply system in accordance with NFPA 59A (2001 Edition). This finding of violation will be considered a prior offense in any subsequent enforcement action taken against Respondent. Compliance Actions Pursuant to 49 U.S.C. § 60118(b) and 49 C.F.R. § 190.217, Respondent is ordered to take the actions proposed in the enclosed Notice to correct the violation. The Director may grant an extension of time to comply with any of the required items upon a written request timely submitted by the Respondent and demonstrating good cause for an extension. Upon completion of ordered actions, Respondent may request that the Director close the case. Failure to comply with this Order may result in the assessment of civil penalties under 49 C.F.R. § 190.223 or in referral to the Attorney General for appropriate relief in a district court of the United States.#

42022025NOPV_Final Order_04112022_(21-209144)_text.pdf, page 3CPF No. 4-2022-025-NOPV Page 2 The terms and conditions of this order are effective upon service in accordance with 49 C.F.R. § 190.5. April 11, 2022 ___________________________________ _________________________ Alan K. Mayberry Date Issued Associate Administrator for Pipeline Safety#