Lower Duwamish Waterway – Seattle, WA Terminal 117 is the site of a former asphalt roofing materials manufacturing facility that operated from 1937 to 1993. PCB, petroleum, dioxin/furan, and PAH impacts in soil and sediment triggered EPA to designate the site an Early Action Area of the Lower Duwamish Waterway (LDW) Superfund site. CRETE successfully […]
Lower Willamette River – Portland, OR CRETE prepared the design and bid documents for the removal, capping, and stabilization of 1,700 lineal feet of riverbank fronting an active steel mill on the eastern bank of the Lower Willamette River within the Portland Harbor Superfund Site. Work was conducted through a Voluntary Remedial Investigation Source Control […]