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Joe's Texaco <br /> Cairn No. 12489 <br /> Apri125, 2068 <br /> • Contaminants remaining in the vadose zone cannot migrate in soil vapor or <br /> leach at concentrations that would cause groundwater to exceed water quality <br /> objectives. <br /> There are no existing water supply,wells, surface waters or other receptors <br /> threatened by the remaining contaminants in soil or groundwater. <br /> • Pollutants remaining in groundwater do not create or threaten to create risk to <br /> human health and safety, or to future beneficial use(s) of the 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 tread with time. <br /> ^V <br /> There are no current or anticipated uses of the impacted groundwater within , <br /> the timeframe projected to:meet water quality objectives: C. <br /> In summary, the remaining mass of hydrocarbons in sail and groundwater is miner, the - <br /> extent of contamination is defined, the groundwater.plume is shrinking, the constituents <br /> of concern are relatively immobile, there is no risk to the public or the environment, and <br /> Water Quality Objectives will be achieved within a reasonable period of time. <br /> r'k Larson, P.G. - Date Robert Trommer, C.H.G. Gate <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341 .5684 <br /> -7? <br /> . i <br /> +["California En vironmentel Prvtecuan Agency 1 <br /> _ m <br /> Zcl-Mmycled Paper <br />