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TABLE 1 -CHECKLIST OF REQUIRED DATA <br /> FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES <br /> Site Name and Location: Bill's Bait& Beacon Gas,616 W. Eleventh Street,Tracy,San Joaquin County <br /> YD 1.Distance to production wells for municipal, domestic, agriculture,industry and Tide Water well 1,300 ft,Lewis Manor well <br /> other uses within 2000 feet of the site; 1,400 ft,nearest downgradient well 4,700 ft <br /> 0 2. site mans. to scale. of area impacted showing locations of former and existing tank syct�ems. 10,000-gal,gasoline,8,000- <br /> esaivafion contours and sample locations. boring and monitoring well elevation contours -gal. diesel,6,000-gal. <br /> gradients. and nearby surface waters, buildinn streets, unleaded gas,550-gal.waste <br /> oil removed in 1988 <br /> 0 3.Figures depicting lithology(cross section), Phase/property assessment report <br /> 4. Stockpiled soil remaining on-site or off-site disposal(quantity); 1,500 cu yd disposed at Forward Landfill <br /> ED &l4brr mit wells remaining on-site, fate; 4 <br /> 0 6. Tabulated results of all groundwater elevations and depths to water, 7.76 to 12.60 ft bgs <br /> 7.Tabulated results of all sampling and analyses: <br /> HN <br /> Detection limits for confirmation sampling <br /> Lead analyses <br /> F & Concentration contours of contaminants found and those remaining in soil Soil contamination extends beyond MW-4 <br /> and groundwater, and both on-site and off-site: with 120 mg/kg TPH-g,and sporatic <br /> Y Y Lateral and Vertical extent of soil contamination detection of GW contamination. GW <br /> n <br /> contamination extends to 20 ft bgs in MW- <br /> FYI Lateral and N Vertical extent of groundwater contamination 1. <br /> 0 9.Zone of influence calculated and assumptions used for subsurface <br /> remediation system and the zone of capture attained for the soil and <br /> groundwater remediation system; <br /> 0 10.Reports 1 information Y❑Unauthorized Release Form 3/7/88 aMRs(Dates) 4193 to 4196 <br /> 0 Well and boring logs D PAR 7& 10188 N7RP y Other(report name) Closure Rpt.5197 <br /> Y� 11.Best Available Technology(BAT)used or an explanation for not using BAT; Excavated 14 to 15 ft bgs. <br /> 0 12.Reasons why background waslrs unattainable using BAT,• Concentrations of hydrocarbon contamination is high in <br /> MW-1,but appears to be remain on-site. <br /> Q13.Mass balance calculation of substance treated versus that remaining; <br /> NA 14.Assumptions,parameters, calculations and model used in risk <br /> assessments, and fate and transport modeling; <br /> 7-1 FY 15.Rationale why conditions remaining at site will not adversely Ground water contamination remains on-site and the <br /> impact water quality, health, or other beneficial uses;and plume appears to be stable or slightly decreasing. <br /> 0 16.WET or TCLP results <br /> By' Comments:Remaining soil contamination(excavation): 350 mg/kg TPH-g, 160 mg/kg TPH-d, 0.082 <br /> mg/kg benzene, 0.92 mg/kg toluene, 2.7 mg/kg ethylbenzene, 11 mg/kg xylene. Remaining ground <br /> a e' water contamination(MW-1):3,000-µg/I TPH-g, 9,600 TPH-d, 1.8 gg(I benzene, 2.1 µg/I toluene, 28 <br /> / gg/I ethy/benzene, 360µg/l xylenes. MW-2 MTBE 24µg/l. New tanks passed precision test <br />