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0 <br /> Former Mobil Station 99CAS - 2 - 20 May 2014 <br /> 75 E. Alpine Ave, Stockton <br /> San Joaquin County <br /> We do not find data in the record indicating soil in the area of the former waste oil tank has been <br /> analyzed for gasoline, diesel, benzene, toluene, ethylbenzene, xylenes, volatile organic <br /> compounds including naphthalene, semi-volatile organic compounds, including <br /> pentachlorophenol (PCP), oil and grease and polychlorinated biphenyls (PCBs), and Title 22 <br /> metals; antimony, arsenic, cadmium, led, mercury, nickel, selenium and thallium. If this soil <br /> data is available, please submit the data with the next groundwater monitoring report due <br /> 30 July 2014. However, if this data has not been collected please provide a work plan to <br /> investigate soils in the area of the former waste oil tank in the next quarterly groundwater <br /> monitoring and remediation status report due 30 July 2014.. <br /> In summary, please submit the following information in the next quarterly groundwater <br /> monitoring and remediation status report due 30 July 2014; <br /> • A plan to optimize and%or enhance the current groundwater remedy. <br /> • Results of soil samples collected in the area of the former waste oil tank or plan to <br /> collect this data. <br /> • Groundwater monitoring results from wells EX-1, EX-2, MW-2, and MW-4. <br /> If you have any questions or comments, you may call (916) 464-4615 or email <br /> jbarton(a�waterboards.ca.00v. <br /> JAMES L.L. BARTON, P.G. <br /> Engineering Geologist <br /> cc: Nuel Henderson, San Joaquin County Environmental Health Department, Stockton <br /> Gregg Gruss, Cardino ERI, 691 N. McDowell Blvd., Petaluma 94954 <br />