COLORADO INTERSTATE GAS CO — Warning Letter

520121020W_warning letter_08232012_text.pdf, page 1Official PDFWARNING LETTER CERTIFIED MAIL - RETURN RECEIPT REQUESTED August 23, 2012 Mr. Dwayne Burton Vice President Engineering/Operations Colorado Interstate Gas Co. c/o KMI Pipeline 500 Dallas St. – Suite 1000 Houston, TX 77002 CPF 5-2012-1020W Dear Mr. Burton: On June 5-6, 2012, a representative of the Pipeline and Hazardous Materials Safety Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code, inspected your operations and maintenance records in Colorado Springs, CO for the Colorado Interstate Gas Company’s Rawlins Area natural gas transmission systems. As a result of the inspection, it appears that you have committed a probable violation of the Pipeline Safety Regulations, Title 49, Code of Federal Regulations. The item inspected and the probable violation is: 1. §192.603 General provisions. (b) Each operator shall keep records necessary to administer the procedures established under §192.605.#

520121020W_warning letter_08232012_text.pdf, page 2No records were available at the time of the inspection to verify that six (6) valves were inspected and partially operated during calendar year 2011, as required by §192.745 Valve maintenance: Transmission lines. The work order records for these valves indicated they were serviced and inspected on December 27, 2010 and January 3, 2012. Valve inspection records must be kept to ensure the procedures required under §192.605, which include valve maintenance procedures specified in §192.745, are being implemented. 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. 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 Colorado Interstate Gas Company 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 5-2012-1020W. 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, Christopher Hoidal Director, Western Region Pipeline and Hazardous Materials Safety Administration cc: PHP 60 Compliance Registry PHP-500 J. Stahoviak (#138139) 2#