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Full Scale Brownfield Cleanup and Risk Assessment

Former Frontier Leather, Sherwood, OR
(Sept. 2005 to present – ongoing)

Brownfield cleanup project from heavily contaminated former tannery to industrial park & storage facility; main chemicals of concern: Chromium, lead, arsenic, manganese, petroleum hydrocarbons, VOCs. Our scope of services for this project includes the following:

  1. Preparing work plans, permits, and reports for City of Sherwood and Oregon DEQ (storm water management, hazardous waste, demolition, grading, and remediation)
  2. Completing a test pit exploration program to assess the vertical and lateral extent of fire debris contamination and subsurface soil and groundwater impacts;
  3. Completing sediment and surface water sampling within Rock Creek;
  4. Implementing an analytical program that meets appropriate data quality objectives and allows for comprehensive identification of site contaminants of interest (COI), conceptual site model, locality of facility, beneficial use determinations and hot spot determinations;
  5. Compiling data into a comprehensive database;
  6. Updating the existing Level I Scoping ecological risk assessment (ERA), completing a Level II ERA, and completing human health risk screening; and
  7. Completing a soil removal work plan and providing oversight during debris and soil removal.
  8. Applying for “No Further Action” determination from DEQ

More Past Projects:
Brownfield Remediation
Past Projects
Storage Tanks & Asbestos Cleanup