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No action, further investigation verified that no cleanup action at site was <br /> needed. (However, a Land Use Covenant was determined to be <br /> necessary) <br /> A. Type of Remedial or Removal Action (e.g. excavation and disposal <br /> on-site treatment, etc.): <br /> Surface soil excavation of approximately 40.6 acres to a depth of 0.5 feet <br /> below ground surface. The total in-place volume of soil removed was <br /> approximately 70,000 in-place cubic yards. Excavated soil was <br /> encapsulated beneath a portion of the Great Valley Parkway along the <br /> western boundary of the Site in areas without planned subsurface utilities. <br /> The Great Valley Parkway was paved with asphalt following completion of <br /> the encapsulation of the soil. <br /> B. Estimated quantity of waste associated with the site (i.e., <br /> ton/gallons/cubic yards) which was: <br /> treated amount: <br /> X untreated (capped sites) amount: 70,000 cubic yards of soil <br /> removed amount: <br /> 10. Cleanup Levels/Standards: <br /> a. What were the cleanup standards established by DTSC pursuant to <br /> the final Remedial action plan (RAP) or workplan (if cleanup <br /> occurred as the result of a removal action (RA) prior to development <br /> of a RAP)? <br /> A remedial goal of 0.035 mg/kg was established for dieldrin based on a <br /> human health risk based analysis performed by DTSC's Human and <br /> Ecological Risk Office (HERO). <br /> b. Were the specified cleanup standards met? Yes X No <br /> C. If "no", why not: <br /> 11. DTSC Involvement in the Removal Action: <br /> A. Did DTSC order the Remedial Action? <br /> Yes No X Date of VCA: 06/05/2007, VCA Amendment October <br /> 2013 <br /> 4 <br />