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r <br /> 1 Project Information <br /> Project/Site Name: Boeing 777X Static Test Facility <br /> Street/Location: 3003 West Casino Road <br /> City: Everett State: WA Zip code: 98203 <br /> Subdivision: <br /> Receiving waterbody: Alpha Pond <br /> 1.1 Existing Conditions <br /> Total acreage (including support activities such as off-site equipment staging yards, material <br /> storage areas, borrow areas). <br /> Total acreage: 6.4 <br /> Disturbed acreage: 6.4 <br /> Existing structures: 0 <br /> Landscape 6.4 <br /> topography: <br /> Drainage patterns: 4.6 <br /> Existing Vegetation: 4.6 <br /> Critical Areas (wetlands, streams, high erosion 0.36 <br /> risk, steep or difficult to stabilize slopes): <br /> List of known impairments for 303(d) listed or Total Maximum Daily Load (TMDL) for the <br /> receiving waterbody: <br /> Table 1 includes a list of suspected and/or known contaminants associated with the construction <br /> activity. <br /> List all known or suspected contaminants associated with this site in Table 1. Include <br /> contaminants previously remediated. <br /> Table 1 — Summary of Site Pollutant Constituents <br /> Constituent Location Depth Concentration <br /> (Pollutant) <br /> Polycyclic Aromatic Soil Refer to Ecology Refer to Ecology <br /> Hydrocarbons (PAH's) Administrative Order Administrative Order <br /> (Appendix G) (Appendix G) <br /> Metals Soil Refer to Ecology Refer to Ecology <br /> Administrative Order Administrative Order <br /> (Appendix G) (Appendix G) <br /> Page � 5 <br />