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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: Stockton Scavenger Company, 1240 Navy Drive, Stockton,San Joaquin County(#390209) <br /> © 1. Distance to production wells for municipal, domestic, agriculture, industry and Three wells were identified within 2,000 feet <br /> other uses within 2000 feet of the site; of the site. Nearest is 1,200 feet from site. <br /> Based on monitoring data, none threatened. <br /> © 2. Site maps, to scale, of area impacted showing locations of former and existing tank systems, In reports. <br /> excavation contours and sample locations, boring and monitoring well elevation contours, <br /> gradients, and nearby surface waters, buildings, streets, and subsurface utilities; <br /> 3. Figures depicting lithology(cross section), treatment system diagrams; In reports. <br /> 4. Stockpiled soil remaining on-site or off-site disposal(quantity); All removed and properly disposed of. <br /> © 5. Monitoring wells remaining on-site, fate; All site monitoring wells will be destroyed following Regional Board closure <br /> concurrence. <br /> 6. Tabulated results of all groundwater elevations and depths to water,' In reports. <br /> 7. Tabulated results of all sampling and analyses: In reports. <br /> Detection limits for confirmation sampling <br /> Lead analyses <br /> Y <br /> 8. Concentration contours of contaminants found and those remaining in soil Found in reports. Minimal residual <br /> and groundwater, and both on-site and off-site: concentrations remain and pose no threat to <br /> Lateral and Vertical extent of soil contamination groundwater or building inhabitants or <br /> construction workers. <br /> a Y <br /> Lateral and �Vertical extent of groundwater contamination <br /> 9. Zone of influence calculated and assumptions used for subsurface Source removal , soil overexcavation <br /> remediation system and the zone of capture attained for the soil and (2,733 yds), groundwater extraction <br /> groundwater remediation system; (591,000 gal.)and monitoring adequate to <br /> protect water quality goals and human health. <br /> ©10.Reports/information Y❑ Unauthorized Release Form © QMRs(Dates)5/93 through 5/09 <br /> 0 Well and boring logs 0 PAR 0 FRP 0 Other. Site Investigation and Closure Request <br /> ©11.Best Available Technology(BAT) used or an explanation for not using BAT; UST removal, soil overexcavation, <br /> groundwater extraction, and groundwater <br /> monitoring. <br /> �.12.Reasons why background was/is unattainable using BAT, Achieved. <br /> F-113.Mass balance calculation of substance treated versus that remaining; In closure report. <br /> 14.Assumptions, parameters, calculations and model used in risk In reports. <br /> assessments, and fate and transport modeling; <br /> 0 15.Rationale why conditions remaining at site will not adversely Remaining minimal subsurface contamination will not <br /> impact water quality, health, or other beneficial uses;and degrade groundwater beneficial uses or threaten human <br /> health and safety. <br /> NA 116.WET or TCLP results <br /> By: JI Comments: The residual contamination remaining from the release does not pose a threat to sensitive receptors in <br /> the area, current groundwater beneficial uses, or threaten human health and safety. No further action is warranted <br /> Date: 10/7/09 for this site. <br />