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;ras <br /> general downgradient direction of around-water flow from the <br /> + station property. The two webs are approximately 500 feet and <br /> 04 2,000 feet east and southeast of the property, respectively. <br /> The analytical results suggest that hydrocarbon .contamination of <br /> the soil and ground water is restricted to the USA station <br /> property and that this contamination does not appear to pose a <br /> threat to water used from cOfsite wells. We recommend that the <br /> 04 previously existing wells (S-1 and S-2) installed by Pacific <br /> Environmental Group and wells MW-1 through Iii-3 be monitored and <br /> sampled for laboratory analysis quarterly. The results of <br /> analyses will establish possible future -changes in contaminant <br /> concentrations. Recommendations for possible future remedial <br /> work raay be made if an increase in hydrocarbon, concentrations <br /> occurs. <br /> We also recommend that USA submit copies of this report to Mr. <br /> Robert Niblack of the Central Valley Regional Water Quality <br /> Control Board, 3443 Routier Road, Sacramento, California 95827- <br /> 3090 and to PIs. Laurie Cotulla of the San Joaquin Local Health <br /> District, 1601 East Hazelton Avenue, Stockton, .California 95201. <br /> Please do not hesitate to call if you have any .questions <br /> regarding the content of this report. <br /> Sincerely, <br /> Applied GeoSystems <br /> Rodger C.:Witham . <br /> Project Geologist <br /> i <l <br /> �' Apo/ded G�oSYstems <br />