Commenting open: April 21, 2022 12:00AM PT - May 20, 2022 11:59PM PT.
Recomp of Washington Periodic Review
The Department of Ecology (Ecology) invites you to review the Periodic Review report for the Recomp of Washington site (Site). Ecology conducts periodic reviews every five years after a cleanup action when institutional controls are used as part of the remedy, as required by the Model Toxics Control Act. Periodic reviews evaluate current Site conditions to ensure the continued protection of human health and the environment.
The 2022 Draft Periodic Review concluded: ·
The cleanup action (i.e., landfill closure) completed at the Site appears to be protective of human health and the environment. ·
The landfill containment system includes native low-permeability soils beneath the landfill, a compacted clay cover above the landfill material, and a gravel cutoff trench and leachate collection pipe downgradient of the landfill. Additionally, a soil-bentonite slurry wall and paved surfaces between the landfill cover and the slurry wall divert groundwater and surface water away from the closed ash landfill. ·
The Restrictive Covenant for the property continues to be effective in protecting human health and the environment from exposure to hazardous substances and protecting the integrity of the cleanup action. ·
The Periodic Review distinguishes the Recomp of Washington site and the adjoining Wilder Landfill site, but the Periodic Review does not evaluate the Wilder Landfill site.
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