At the request of the Ecology Southwest Regional Office, the Toxics
Investigations/Ground Water Monitoring Section conducted a
reconnaissance survey of sediment quality at five ports along the
Sediment was sampled at three stations in April 1990 near the
Weyerhaeuser's pulp and paper mill waste treatment plant outfall.
Sediments were sampled for dioxins, furans, volatile and semivolatile ...
Three stations were sampled in the area of the Lower Columbia River,
Longview for dioxins and furans; volatile and semivolatile
compounds; metals (Sb, As, Be, Cd, Cr, Cu, Pb, Hg, Ni, Se, Ag, Ti, and ...