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2111 VIA <br /> --------------- <br /> '- <br /> Subsurface Environmental Investigation September 21, 1588 <br /> 84 Abandoned Lerner Service Station, Lodi, California AGS 38055-1 <br /> water interface. The railer was then recovered and contained <br /> approximately 0..5-inch of floating product on -the water. The <br /> product was bailed from the well and placed in the drumwith the <br /> purged wa;`er. No ground-grater sample was obtained. <br /> RESULTS AND DISCUSSION[ <br /> Subjective evidence (organic vapor readings) of contamination was <br /> present in each boring drilled. Soil contaminaticn was pzesert <br /> from approximately 20 feet below grada to the ground-water <br /> surface in borings B-1 to B-4. Organic vapor readings ranged <br /> from 0 near the surface to 538 ppm at the ground-water surface. <br /> Samples, were not chemical.1y.analyzed because `i.ia client .was .- <br /> considering' buying thw -yerty, `and subjective evidence was <br /> .. 4 <br /> sufficient to si.iow that the-ground water had been, contaminated., <br /> i <br /> Ground-water samples collected initially revealed an obvious <br /> strong hydrocarbon odor and a slight sheen. After the well was <br /> pugged, approximately 0.5-inch of floating product entered the <br /> well. This could indicate that well MSI-1 is on the outer limit_; <br /> of a floating product plume. <br /> 4v <br /> iE 11 . <br /> App/ie� GPosystems <br />