Notice of Application for State Air Quality Permit AQ0318TVP05, United States Space Force, Clear Space Force Station 9.6.23

The Alaska Department of Environmental Conservation (ADEC) has made a preliminary decision to approve United States Space Force’s application for Air Quality Control Renewal Operating Permit AQ0318TVP05 for the Clear Space Force Station. Applicant: United States Space Force Permittee Address: 200 A Street Stop 1 Location: Latitude 64o 17 ́ 31" North; Longitude 149o 11 ́ 6" West Clear Space Force Station, Alaska Application: United States Space Force applied for a renewal operating permit on December 1, 2022. This public notice is for the draft operating permit and preliminary minor permit. Activity: The Clear Space Force Station (Clear SFS) consists of Ground-Based Radars and support facilities. Clear SFS is divided into three main areas: the Composite Area where most administrative, recreation, and living quarters are located along with the CSP (Central Steam Plant) and Civil Engineering; the Camp Area composed of maintenance shops and Security Police Forces; and the Operations Area

for the SPPARS, Long Range Discrimination Radar (LRDR) Power Plant (LPP), and Tech Site. The Central Heat Power Plant (CHPP) has been shut down. Emissions: The potential annual emissions of regulated air pollutants at the stationary source will not exceed: 176.868 tons of Nitrogen Oxides, 49.214 tons of Carbon Monoxide, 8.498 tons of Particulate Matter, 0.518 ton of Sulfur Dioxide, 7.690 tons of Volatile Organic Compounds, and 0.28 tons of Hazardous Air Pollutants (HAP), with highest individual HAP (formaldehyde) estimated at 0.06 tons. The potential annual emissions for Greenhouse Gases are estimated at 53,624 tons of carbon dioxide equivalent emissions. The total annual potential emissions of regulated air pollutants, other than greenhouse gases, are 242.788 tons. ADEC Preliminary Review: Based on review of the application, ADEC drafted a preliminary permit decision for the Clear Space Force Station under AS 46.14 and 18 AAC 50. Available Information: Copies of the permit application, ADEC’s draft operating permit, and statement of basis (SOB) are available at the following offices: ADEC Air Permits Program, 410 Willoughby Avenue, 2 nd Floor, Juneau, AK 99801-1795 ADEC Air Permits Program, 555 Cordova Street, Anchorage, AK 99501 These documents are also available at ADEC’s website at: http://dec.alaska.gov/Applications/Air/airtoolsweb/AirPermitsApprovalsAndPublicNotices/ Opportunity for Public Participation: Any interested person may present written statements relevant to the preliminary decision within 30 days after the first publication date. 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 permit after the close of the public comment period. Any person may request a public hearing and that hearing will be held if ADEC finds that good cause exists. ADEC 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 Claire Fishwick at (907) 465-5066 or TDD Relay Service 1-800-770-8973/TTY or dial 711 by the 15th day of this public comment period to ensure that any necessary accommodations can be provided. Comments relevant to the preliminary minor permit and proposed operating permit may be submitted electronically via ADEC’s public notice site at https://aq.alaskadec.commentinput.com?id=V8UQMSJTN or to Zachary Boyden by mail to 555 Cordova Street, Anchorage, AK 99501, or by email to Zachary.Boyden@alaska.gov. Comments must be received by close of public comments period at 11:59 p.m. Alaska time on October 6, 2023.