Environmental Assessment Report re Questar Pipeline Company's Sections 7(c) and 157.7 - Construction and Operation of Facilities under CP13-19.

Federal Energy Regulatory Commission Office of Energy Projects, Division of Gas-Environment & Engineering ENVIRONMENTAL ASSESSMENT REPORT Name of Applicant: Questar Pipeline Company (Questar) Date Filed: 11/21/12 Docket No: CP13-19-000 Type: Sections 7(c) and 157.7 Cost: $14,783,000 Construction and Operation of Facilities Facilities: Questar proposes to construct and operate about 14.7 miles of 16-inch-diameter loop pipeline and related facilities extending from its existing Mainline 40 at Petes Wash (milepost [MP] 0) to its Brundage Mountain Tap (MP 14.7), all in Duchesne County, Utah. Related facilities would include: a pig receiver, block valve, and tie-in piping at MP 0; cathodic protection facilities at MP 10.9; a tap and ancillary valves at MP 12.5; a pig launcher, block valve, and jumper/crossover piping at MP 14.7; and other miscellaneous appurtenances. The proposed facilities would largely follow Questars existing JL 47 and JTL 78 pipelines, and create up to about 62,000 dekatherms per day of new transportation capacity for Uinta Basin producers accessing downstream gas markets. This filing is related to Docket No. PF12-14-000, assigned to Questar during our pre-filing review period which began on May 18, 2012. Environmental Impact -- Conclusions: Categorical Exclusion __ Deficiency Letter Required Environment Not Involved __ EA/EIS Required X Environment Complete No NOI Required NOI Required Environmental Considerations or Comments: See the attached environmental assessment. Prepared by: Date: Approved by Branch Chief: Date: /s/ L. J. Sauter Jr. 2/20/2013 /s/ Rich McGuire 2/28/2013 m ry y Office of m to erg on Co ula En Energy Projects si g l is Re era d Fe March 2013 Questar Pipeline Company Docket No. CP13-19-000 JL 47 Loop Project Environmental Assessment Cooperating Agency: Bureau of Land Management Vernal Field Office Washington, DC 20426 This environmental assessment was prepared by the staff of the Federal Energy Regulatory Commission to assess the potential environmental impacts of the JL 47 Loop Project (Docket No. CP13-19-000), proposed for construction in Duchesne County, Utah. The cooperation and assistance of the Bureau of Land Management Vernal Field Office was greatly appreciated. TABLE OF CONTENTS A. PROPOSED ACTION.................................................................................. 1 1. Introduction ........................................................................................ 1 2. Purpose and Need ............................................................................ 1 3. Public Review and Comment ............................................................ 2 4. Proposed Facilities ............................................................................ 2 5. Land Requirements ........................................................................... 3 6. Construction and Restoration Procedures ........................................ 5 6.1 Project-Specific Al