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TABLE 1 - CHECKLIST OF REQUIRED ATA <br /> FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES. <br /> ESite:N:a:me and Location: Idiewild Market, 3049 Highway 12 West, Lodi, San Joaquin.County <br /> duction wells for municipal, domestic, agriculture, industry an <br /> d <br /> roNA 1.Distance to pd ; <br /> other uses within 2000 feet of the site; <br /> three 500-gal gas tanks, two <br /> Y❑ 2. Site ans. to sc le. of area im acted showincations of fonmarand existing tgnk sin2ms 20 gal gas,and one 1,000- <br /> excavation contours anU same locations boring and monitoring well elevation contours, gat gas removed or closed <br /> gradients, and,nearbv surface wafers buildings.streets, and subsurface utilities; <br /> in-place 1988 and 1993. <br /> Well logs silt/silty-sand to 11 ft overlying <br /> 0 3. Figures depicting lithology(cross section), treatment system diagrams; silty sand/sand to 15 ft <br /> 4, Stockpiled soil remaining on-site or off-site disposal(quantity); 156 cu yds aerated and spread on-site <br /> A *5.'Monitoring wells remainingon-site,'fate;- 77 - <br /> 1 <br /> El6. Tabulated results of all groundwater elevations and depths to water,' approximately 30 ft bgs(1986 SJ Co. )=1ood map) <br /> 0 7.Tabulated results of all,sampling and analyses: <br /> P Y❑Detection limits for confirmation sampling <br /> hh Y❑Lead analyses <br /> II, <br /> NA <br /> B. Concentration contours of contaminants found and those remaining in soil Original Soil:5,100 mg/kg TPH-g,550 <br /> and groundwater, and both on-site and off-site: mg/kg T,430 mg/kg E, 2,100 ing/kg X, 87 <br /> Latera!and FY Vertical extent of soil contamination mg/kg lead 0.4 mg/kg <br /> YEDB laterally beyond <br /> pit 1, and vertically to<17 ft bgs. Pit 2 <br /> N Lateral and Vertical extent of groundwater contamination excavated to ND <br /> f <br /> NA 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 l system; <br /> 0 10.Reports/information Unauthorized Release Form 4127/86, 1/19/89 & 7/20/93 N wRs(Dates) <br /> 0 Well and boring logs PAR FRP Othe&ort name) San Joaquin.Co.Summary Report 1/29/97 <br /> i _ <br /> __ _ --r:.. _...,.....tom- ..,... ....,,.- — ..., <br /> . .�.� <br /> ~ �� 19.Best Available 7echnoiogy(BAT)used orari explanation for not using BAT; Removed or closed tanks m place <br /> 41 excavated most contaminated soil <br /> 0 12.Reasons why background wasfis unattainable using BAT,' Contaminated soil remains beneath former pump island <br /> Gas tanks, beneath building were closed in-place. <br /> 13.Mass balance calculation of substance treated versus that remaining; probably small quantity <br /> NA 14.Assumptions,parameters, calculations and model used in risk - <br /> assessments, and fate and transport modeling; <br /> NA 15-Rationale why conditions remaining at site will not adversely Paved area based on results of SESOIL model to <br /> impact water qualify, health, or other beneficial uses;and decrease the infiltration of water and prevent the <br /> contamination from impacting ground water. <br /> NA 16.WET or TCLP results <br /> ByP Co merits: !Remaining soil contamination Pit 1 only with 1,400 mg/kg TPH-g, 3.2 mg/kg toluene,5.9 <br /> mg/kg ethylbenzene, 65 mg/kg xylene, 22 mglkg lead, 5.3 mg/kg Ethyl.Dibromide(EDB). Soil only ground <br /> paw: water not impacted. <br /> 1 <br />