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QUARTERLY REPORT <br /> NNE- SEPTEMBER 1990a <br /> EXXON RETAIL SITE: RS 7-3942 CiAO NO` .£e'� <br /> 4444 Pershing Avenue6� <br /> Stockton, California /T�4/p, 90 .� <br /> q � <br /> EA PROJECT#: 10246.19 SFni�C J�9��ff <br /> WORK PERFORMED: <br /> Sampled and chemically analyzed groundwater on 25 September 1990. <br /> Pumping and injection tests were performed to characterize the aquifer. <br /> Work plan to remediate soils and groundwater has been prepared. <br /> ANALYTICAL RESULTS: <br /> Total <br /> Well Ethyl- Petroleum <br /> No. Date Benzene Toluene benzene Xylenes Hydrocarbons <br /> Concentrations in groundwater (ug/L = ppb) <br /> Groundwater was sampled 25 September 1990; results are due back to EA 10 October 1990. <br />