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EXHIBIT A <br />SCOPE OF WORK <br />Exhibit A <br />Scope of Services <br />City of Everett <br />Discharge Water Quality/Planning Assistance On -call <br />Purpose <br />The purpose of this effort is to support the City of Everett (City) in the NPDES permit <br />renewal process with the Department of Ecology for both Everett's individual NPDES permit <br />expected in 2021, and the draft and final versions of the Puget Sound Nutrient General <br />Permit <br />Potential On -Call Services <br />Scope of services will be provided on an as needed basis Services may include, but would not be <br />limited to the following: <br />Permitting Support and Strategy. <br />Provide assistance to the City for their work with Ecology on the Puget Sound Nutrient General <br />Permit and collective work with other agencies. Assistance includes advising the City on defining <br />optimization for nutrient treatment, efforts with the Puget Sound Clean Water Alliance, scoping and <br />work for the Puget Sound Institute, sampling for PBDE and other permit renewal and plant <br />compliance issues during the term of the contract. <br />Review draft permit application. <br />Review the current permit application that was submitted to Ecology in April of 2020, and <br />other plant monitoring and process data as appropriate. <br />Reasonable Potential Analysis. <br />Preview the Ecology Permit Writer's renewal process for the City of conducting a Reasonable <br />Potential Analysis (RPA) using the data the City submitted in the April 2020 petrnrt renewal <br />package. Identify the parameters with reasonable potential for exceedance, if any, and examine <br />the data that will be used in the analysis The goal is to highlight whether the data submitted to <br />Ecology triggers new or modified effluent limits, such as ammonia, metals, organics, human <br />health toxics, etc. Review data for inconsistencies to verify they are representative of current <br />City's conditions. Revise the data submittal to Ecology as necessary to eliminate non- <br />representative data. <br />Prepare Draft Sampling Plan <br />It may be advantageous to the City to collect additional water quality samples from Port Gardner <br />Bay, the Snohomish River and/or plant effluent. Review of the draft permit application for <br />potential future limits will inform the need for the water quality monitoring data and whether the <br />April 2020 data accurately represents the City's discharge. Prepare a draft water quality sampling <br />plan for City review, which may include various graphics or a map. <br />Page 12 <br />HDR 2019 <br />