XTO Energy Inc.

platform A and Platform c

The Alaska Department of Environmental Conservation (ADEC) proposes to renew the Air Quality Operating Permits for emission units at Platforms A and C, under Alaska Statutes 46.14 and regulation 18 AAC 50.

Applicant: XTO Energy Inc.

Location: The stationary sources are physically located in the Middle Ground Shoal of Cook Inlet, Alaska.

Activity: The stationary sources are offshore crude oil and gas production platforms.

The owner or operator submitted applications on March 1, 2006 and amendments on July 17, 2006. This public notice is for the draft operating permit renewals only.

Emissions: The significant emission units of Platform A include one gas-fired turbine, six gas-fired IC engines, six diesel-fired IC engines, a diesel-fired pump, and a gas-fired flare. The potential annual emissions of regulated air contaminants at the source will not exceed: 23 tons per year (tpy) of Particulate Matter (PM-10), 1183 tpy of Nitrogen Oxides (NOx), 86 tpy of Sulfur Dioxide (SO₂), 663 tpy of Carbon Monoxide (CO), and 35 tpy of Volatile Organic Compounds (VOC). The total emissions of regulated air contaminants is 1990 tpy.

The significant emission units of Platform C include two gas-fired turbines, five gas-fired IC engines, six diesel-fired IC engines, and a gas-fired flare. The potential annual emissions of regulated air contaminants at the source will not exceed: 26 tons per year (tpy) of Particulate Matter (PM-10), 1265 tpy of Nitrogen Oxides (NOx), 94 tpy of Sulfur Dioxide (SO₂), 832 tpy of Carbon Monoxide (CO), and 38 tpy of Volatile Organic Compounds (VOC). The total emissions of regulated air contaminants is 2255 tpy.

Department Preliminary Review: Based on review of the applications, ADEC has drafted preliminary permit decisions for XTO Energy Inc., Platform A and Platform C.

Available Information: Copies of ADEC’s draft Operating Permits and Statements of Basis are available at the following offices:

ADEC/APP 610 University Avenue, Fairbanks, AK 99709-3643 (907) 451-2132

ADEC/APP 410 Willoughby, Suite 303, Juneau, AK 99801-1795 (907) 465-5100

ADEC/APP 619 E. Ship Creek, Suite 249, Anchorage, AK 99501-2617 (907) 269-7577

The administrative records for these permits are available for review at the Anchorage office of ADEC during normal business hours, Monday through Friday from 8:00 AM to 5:00 PM.

The draft Operating Permits and Statements of Basis are also available at ADEC’s website at: http://www.dec.state.ak.us/air/ap/calendar.htm.

Opportunity for Public Participation: Notice is also given that any interested person may present written statements relevant to the draft documents within 30 days after the first publication date. Any person may request a public hearing and that hearing will be held if ADEC finds that good cause exists. ADEC will consider all comments received and make any changes ADEC finds beneficial or necessary to assure compliance with 18 AAC 50 or State Law. ADEC will issue a final decision to issue or deny the permits after the close of the public comment period. Written comments will be included in the record if received before 5:00 p.m. June 2, 2008. The State of Alaska, Department of Environmental Conservation complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need a special accommodation in order to participate in this public process, please contact Deborah Pock at (907) 269-0291 or TDD Relay Service 1-800-770-8973/TTY by 5:00 p.m. June 2, 2008 or dial 711 within 30 days of publication of this notice to ensure that any necessary accommodations can be provided. Please direct written statements or requests relevant to the proposed operating permits to Ms. Debra Dalcher, Operating Permits Supervisor, ADEC at 619 E. Ship Creek, Suite 249, Anchorage, AK 99501.

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Published in the Peninsula Clarion on May 1 and 2, 2008.

Public Comment Period ends on June 2, 2008.