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Country Club Food an�`Puel -4- `--� May 4, 2009 Claim No. 14971 • The source of the UST release has been identified and removed. • The site has been adequately characterized. • Free-phase product in groundwater has been removed to the full extent practicable, in accordance with the UST Regulations (Title 23, CCR, Section 2655). • Contaminants remaining in the vadose zone cannot migrate in soil vapor or leach at concentrations that would cause groundwater to exceed water quality objectives. • There are no existing water supply wells, surface waters or other receptors threatened by the remaining contaminants in soil or groundwater. • Pollutants remaining in groundwater do not create or threaten to create risk to human health and safety, or to future beneficial use(s) of the groundwater. • The plume size is stable and sufficiently delineated in lateral and vertical extent and contaminant concentrations detected in groundwater show a decreasing trend with time. • There are no current or anticipated uses of the impacted groundwater within the timeframe projected to meet water quality objectives. In summary, the remaining mass of hydrocarbons in soil and groundwater is minor, the extent of contamination is defined, the groundwater plume is shrinking, the constituents of concern are relatively immobile, there is no risk to the public or the environment, and Water Quality Objectives will be achieved within a reasonable period of time. UPDATED, May 2009: The Fund continues to recommend that the San Joaquin County LOP consider this site for closure. Further investigation at this site is unlikely to benefit the people of California. Kirk Larson, P.G. Date Robert Trommer, C.H.G. Date Technical Review Unit Chief, Technical Review Unit (916) 341-5663 (916) 341-5684 California Environmental Protec on Agency Co Rmyded Paper