QEP FIELD SERVICES COMPANY — Notice of Amendment

520105018M_notice of amendment_07222010_text.pdf, page 1Official PDFNOTICE OF AMENDMENT CERTIFIED MAIL - RETURN RECEIPT REQUESTED July 22, 2010 Mr. Perry Richards Vice President Questar Gas Management 1050 17th Street Denver, CO 80265 CPF 5-2010-5018M Dear Mr. Richards: From March 29 to April 2, 2010, a representative of the Pipeline and Hazardous Materials Safety Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code, inspected Questar Gas Management’s (Questar) procedures for operations and maintenance near Granger, Wyoming. On the basis of the inspection, PHMSA identified the following inadequacies found within Questar’s Operation and Maintenance (O&M) procedures, as described below: 1. §195.440 Public Awareness. (d) The operator's program must specifically include provisions to educate the public, appropriate government organizations, and persons engaged in excavation related activities on: (2) Possible hazards associated with unintended releases from a hazardous liquid or carbon dioxide pipeline facility;#

520105018M_notice of amendment_07222010_text.pdf, page 2Under 49 C.F.R §195.440, an operator must develop and implement a written continuing public education program that includes the requirements of §195.440(d) (2). Questar’s O&M Procedure Manual did not include an adequate provision to educate the public, appropriate government organizations, and other people engaged in excavation on the possible hazards associated with unintended releases from a hazardous liquid pipeline facility. At the time of the inspection, Questar’s O&M Procedure Manual only recited the verbatim language from the Public Awareness regulation, 49 C.F.R Part §195.440. Questar’s O&M Procedure Manual is inadequate because they did not clearly describe how their personnel will implement the requirement of section §195.440(d) (2) of Subpart M. 2. §195.440 Public Awareness. (d) The operator's program must specifically include provisions to educate the public, appropriate government organizations, and persons engaged in excavation related activities on: (4) Steps that should be taken for public safety in the event of a hazardous liquid or carbon dioxide pipeline release; and Under 49 C.F.R §195.440, an operator must develop and implement a written continuing public education program that includes the requirements of §195.440(d) (4). Questar’s O&M Procedure Manual did not include a provision to educate the public, appropriate government organizations, and other people engaged in excavation to the steps that should be taken for public safety in the event of a hazardous liquid release. At the time of the inspection, Questar’s O&M Procedure Manual only recited the verbatim language from the Public Awareness regulation, 49 C.F.R Part §195.440. Questar’s O&M Procedure Manual is inadequate because they did not clearly describe how their personnel will implement the requirement of section §195.440(d) (4) of Subpart M. Response to this Notice This Notice is provided pursuant to 49 U.S.C. § 60108(a) and 49 C.F.R. § 190.237. Enclosed as part of this Notice is a document entitled Response Options for Pipeline Operators in Compliance Proceedings. Please refer to this document and note the response options. 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). If you do not respond within 30 days of receipt of this Notice, this constitutes a waiver of your right to contest the allegations in this Notice and authorizes the Associate Administrator for Pipeline Safety to find facts as alleged in this Notice without further notice to you and to issue a Final Order.#

520105018M_notice of amendment_07222010_text.pdf, page 3If, after opportunity for a hearing, your plans or procedures are found inadequate as alleged in this Notice, you may be ordered to amend your plans or procedures to correct the inadequacies (49 C.F.R. § 190.237). If you are not contesting this Notice, we propose that you submit your amended procedures to my office within 30 days of receipt of this Notice. This period may be extended by written request for good cause. Once the inadequacies identified herein have been addressed in your amended procedures, this enforcement action will be closed. In correspondence concerning this matter, please refer to CPF 5-2010-5018M and, for each document you submit, please provide a copy in electronic format whenever possible. Sincerely, Chris Hoidal Director, Western Region Pipeline and Hazardous Materials Safety Administration Enclosure: Response Options for Pipeline Operators in Compliance Proceedings cc: PHP-60 Compliance Registry PHP-500 J. Kenerson (#129704)#

520105018M_closure letter_12022010_text.pdf, page 1Official PDFCERTIFIED MAIL – RETURN RECEIPT REQUESTED December 2, 2010 Mr. Perry Richards Vice President Questar Gas Management 1050 17th Street Denver, CO 80265 CPF 5-2010-5018M Dear Mr. Richards: On March 29 through April 2, 2010, a representative from the Pipeline and Hazardous Materials Safety Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code, conducted an on-site pipeline safety inspection of Questar Gas Management’s (Questar) procedures in Granger, Wyoming. As a result of the inspection, Questar was issued a Notice of Amendment on July 22, 2010, which proposed amendment of your procedures Questar submitted its amended procedures on September 30, 2010. My staff reviewed the amended procedures, and it appears that the inadequacies outlined in the Notice of Amendment have been corrected. This letter is to inform you no further action is necessary, and this case is now closed. Thank you for your cooperation. Sincerely, Chris Hoidal Director, Western Region Pipeline and Hazardous Materials Safety Administration cc: PHP-60 Compliance Registry PHP-500 J. Kenerson (#128443)#