2023-09-12-minutes-solid-waste-and-maintenance

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SCOPE OF WORK (continued) TASK 07 —AIR PERMITTING Kittitas County Solid Waste Programs (County) owns and operates the Ryegrass Limited Purpose Landfill (LPL) located in Kittitas County, Washington. Solid waste handling activities at the site are currently permitted under Washington Administrative Code (WAC) 173-350-400, Limited Purpose Landfills. Washington State air pollution control standards and requirements are covered under Chapters 173-400, -401, and -460 WAC. Establishment of new equipment or modification of existing equipment that may cause an increase in air pollution emissions is subject to minor new source review (NSR) under Chapters 173-400 and -460 WAC. Any facility that meets or exceeds the applicability requirements in WAC 173-401-300 is required to obtain an air operating permit. Federal air pollution control standards for landfills are covered under the New Source Performance Standards contained in Title 40 Code of Federal Regulations (CFR) 60 and the National Emission Standards for Hazardous Air Pollutants contained in 40 CFR 63. All these air quality requirements are administered by the Department of Ecology Air Program. Parametrix will evaluate applicability of the state and federal air quality requirements to the Ryegrass LPL, determine actions necessary to achieve compliance with applicable air quality requirements, and prepare required applications for submittal to Department of Ecology (Ecology). This scope will be executed over a six-month period with the timing of each item depending on outside influences such as regulatory review and availability of information from the County. Parametrix's services will be provided in accordance with the following tasks. Schedule We are prepared to begin this project upon written authorization to proceed. Project management effort for the scope included herein was based upon a six-month period to complete. Evaluation of Applicable Regulations Objective This task will review air quality regulations pertaining to landfill operations in the Washington Administrative Code (WAC) and Federal Code of Regulations (CFR). The findings in this section will provide direction on the air permitting regulations governing the Ryegrass LPL and be used to complete Task 3 "Permitting." Approach This task includes the following actions performed by Parametrix: • Review the WAC and CFR for applicable regulatory sections based upon historical operations and refuse acceptance. • Determine requirements of applicable regulations upon Kittitas County for operation of the Ryegrass Limited Purpose Landfill including surrounding facilities such as the historic MSW and septage lagoons as required by the Department of Ecology Air Program Deliverables: • One draft and one final technical memorandum summarizing findings. Assumptions: • Regulatory review will not require field testing. Kittitas County Solid Waste Groundwater Monitoring Well, LPL Closure, Biosolids Expansion 7 September 2023 Area, and Air Permit