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I <br /> Balbir Grewal -4- <br /> April 25, 2008 <br /> Claim No. 13651 <br /> • There are no existing water supply wells, surface waters or other <br /> receptors threatened by the remaining contaminants in soil or . <br /> groundwater. . <br /> • Pollutants remaining in groundwater do not create or threaten to create <br /> risk to human health and safety, or to future beneficial use(s) of the <br /> groundwater. <br /> • The plume size is stable and sufficiently delineated in lateral and vertical <br /> extent and contaminant concentrations detected in groundwater show a <br /> decreasing trend with time. <br /> • There are no current or anticipated uses of the impacted groundwater <br /> within the timeframe projected to meet water quality objectives. <br /> In summary, the remaining mass of-hydrocarbons in soil and groundwater is minor, <br /> the extent of contamination is defined, the groundwater plume.is shrinking, and <br /> Water Quality Objectives will be achieved in a few years. <br /> Ki Larson, P.G. Date Robert Trommer, C.H.G. Date <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 34.1-5684 <br /> California Environmental Protection Agency <br /> P.a.Recycled Paper <br />