501 E MARINE VIEW DR SEPA 006-014 - ASARCO SITE CLEANUP CONTINUING Land Use Decision Documents 2025-05-23

. 2. Existing monitoring wells must be properly abandoned if they are to be covered with fill material. (SEPA Earth, Water Policies) 3. Building Height: The grade of this site is being raised an average of 15-17 feet above the existing grade. The approved topography, which provides the basis for base elevation and building height calculation, will be the existing grade. Alternatively,the Planning Director may approve a new base elevation during a future land use permit review if a view analysis is provided analyzing the potential impacts of development of this site on views from properties on the west side of E. Marine View Drive and from the City park to the south. The analysis must include cross-sections showing grades and proposed structure(s). (SEPA Earth, Land and Shoreline Use Policies) 4. Puget Sound Energy (PSE)has commented that there is an 8-inch,high-pressure gas main within an easement on the site(see letter of March 28, 2006). No structural or engineering analysis has been provided to determine how the proposed grading and fill activities (or future structures) would affect the pipe. In the absence of such information, no filling, grading or heavy equipment traffic may occur within the easement limits. Prior to any grading or filling activity within the easement, additional information must be provided to PSE and the City indicating how the proposed development will affect the gas line. The plans must either demonstrate that the existing line will be protected, or that suitable provisions have been made for relocation of the line. (SEPA Public Services and Utilities Policies) Everett Smelter Site Community Protection Area—Discussion and Mitigation Requirements. The site is located within the Everett Smelter Site, where soils and groundwater typically contain arsenic, lead, or cadmium above state cleanup levels. The Everett Smelter Site Upland Area Final Cleanup Action Plan/Final Environmental Impact Statement Lowland FCAP, incorporated by reference and available at the City Planning department, describes and adequately analyzes the Everett Smelter Site conditions, land use, and cleanup plan, including protective measures ("institutional controls")to be used in areas where contamination may remain after cleanup. The proposed action is located on property where contaminated soils have not been remediated. However,the proposed action constitutes a remediation action because it would result in capping of the contaminated soils with more than two feet of clean fill. The Department of Ecology has issued written comments in support of this method of protecting human health and safety. Environmental Health—SEPA mitigation measures discussion To the extent contamination remains on the proposed site, as defined by the Everett Smelter Site cleanup action plan,this SEPA determination is based on the private or public property owner (and tenant or operator if applicable) implementing the institutional controls applicable to the property. These include, at a minimum: (1) following the Snohomish Health District Everett Smelter Site public health advisory guidelines (www.shd.org/advis/smelter.pdf) for taking precautions when digging into or otherwise coming into contact with contaminated soils remaining on site; (2) if contaminated soil is excavated and left on site (including, for example, from tree planting, fence posts, utilities, or foundations), covering this soil with at least two feet of clean soil and otherwise meeting the "soil profile" for the Everett Smelter Site (available at the Everett Planning Department or www.ci.everett.wa.us/everettsmeltersite); (3)not giving away or disposing of excavated soil that is contaminated except to a facility permitted to accept such soil, 2