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�r <br /> PUBLIC H ,W i <br /> . ......... <br /> b <br /> .a box W , (1,601 60t Nuaton <br /> > <br /> (209w <br /> � � <br /> Inc <br /> P 0 SOX 275 <br /> 335'0 Wnsfalm 8LVD <br /> MAR 17 199k <br /> LotANGZL' SS CA <br /> Stockton Airport RSVZR TO SITS CODS;: 1845 <br /> $000 S. Airport' Wad <br /> Stocktone CA 95206 <br /> San Joaquin County Public Health services, Environmental Health , <br /> Division has recently reviewed the analytical results:. <br /> f the soil samples takes from beneath the underground storage <br /> tanks that were removed from this site from 1987-1990. <br /> Current standards, laboratory detection limits, and/or your site <br /> specific characteristics i. . depth to seasonal high <br /> groundwater, nearby galls, septic systems) make it impossible for <br /> S to evaluate your site for closure. <br /> If site closure certificationis necessary, PHS/EHD would not be <br /> able to provide it without further i investigation. listed <br /> below, 14 undergroundstorage tank removal sites require further <br /> remediation according to the Leaking Underground Fuel Tank (LUFT) <br /> field manual. <br /> Tanks , <br /> Six 250000 gallon fuel tanks removed February <br /> 15l, 1990 <br /> thru, February 28,, 1990, rezoved from the Airport Tank Parte <br /> next to Aero Rastalgia Hanger on Dixon Rand. Xylene levels <br /> n this pit were as !high as 400 ppa. Total potroleum <br /> hydrocarbon (TPH) levels were as high as 2300 ppz.' <br /> Tanks rr ` ►, `1 .j. avid <br /> Five 250000 gallon fuel tanks rozoved February2, 1980 <br /> th y 26, 1988, raisoved from theAirport Tank Farm <br /> on Dixon Road. Toluene levels in this fit were as high a <br /> 1100 ppa. T H levels were as high as 2700 ppz. <br /> Tanks #21# #22 and #23 <br /> Three 550 gallontanks removed on March 8, 1990 from the <br /> Airport Tank Farm. Xylene levels in this pit were as high <br /> as 350 ppm. TPH levels 'were' as high` as 13,000 ppm. <br />