SCH Number 2002128341

Project Info

Title

Big Bend LUFT Site Phase II Remediation

Description

Cleanup of gasoline contaminated soil and groundwater at the Big Bend Resort in Parker Dam, CA on the Colorado River. Remove concrete stairs and walkway within the contaminated area. Screen excavated soils using a photoionization detector or similar instrument and segregate clean and contaminated material. Remove free product using absorbent material and skimmer from the open excavation. Free product removal to continue until no visible free product is in the excavation. Place oxygen release compound slurry at the bottom of the excavation. Collect and analyze groundwater samples for constituents of concern. Backfill the excavation in lifts and provide adequate compaction to prevent differential settlement. Install three four-inch monitoring wells, flush mounted, in accordance with applicable county and state regulations. Restore site to pre-existing condition. Dispose of contaminated soils and demolition debris by off-site treatment (by thermal desorption) and land-filling at permitted facilities.

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