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This is a public notice of an air quality permit. Ecology will hold a public comment period if one is requested.
Echo Bay Exploration Company, located at 363 Fish Hatchery Road in Republic, submitted an air quality Notice of Construction application to resume exploration activities (previously stopped in 2007) at the K2 Mine in northern Ferry County, approximately three miles west of Curlew. Echo Bay plans to resume mining ore if the exploration provides positive results. Echo Bay also plans to install a diesel powered emergency backup generator for operations. The potential for emissions of this project can reach approximately 19 tons per year for PM, approximately 50 tons per year for CO, and approximately 32 tons per year for NOx. The majority of these emissions are from the underground blasting done within the mine and is dependent on the extent of the exploration of the mine. Further details of the emissions of the proposed project can be found in Echo Bay's Notice of Construction application.
Ecology plans to approve the application. We will hold a public comment period on a draft approval order ("air permit") only if a written request is received by March 4, 2021.
A notice of construction permit is required before installing a new source of air pollution or modifying an existing source of air pollution. This permit is sometimes called a "pre-construction permit" because a business must have one before starting construction or operating their business.
A notice of construction air permit limits the amount of air pollutants a business can emit.
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