Ash Grove Cement, the owners of a cement manufacturing facility located at the mouth of the Duwamish River immediately south of the West Seattle Bridge, filed suit against Lone Star Industries on Friday in the Western District of Washington, seeking cost recovery and contribution under CERCLA, MTCA and also asserting various related common law claims.

Most people familiar with state cleanup laws or the federal counterpart, CERCLA, are familiar with four general classes of liable parties:

1) Owners or operators of contaminated facilities;

2) Past owners or operators of facilities at the time of release or disposal of hazardous substances;

3) Parties that arranged for disposal of hazardous substances at

A one-two punch in terms of the Duwamish Superfund site:

First, late Halloween night, the Lower Duwamish Waterway Group posted the Final Feasibility Study for the Lower Duwamish. The entire document is available on LDWG’s site. This past Tuesday, EPA and Ecology had a public meeting where they outlined the changes between the draft