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' TABLE I - CHECKLIST OF REQUIRED DATA <br /> FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES <br /> Site Name and Location: Pombo Ranch Property, 24100 S. Lammers Road, Tracy, <br /> ' 1. Distance to production wells for municipal, domestic, agriculture, Industry and <br /> other uses within 2000 feet of the site - Domestic wells are located up gradient of the <br /> release approximately 125 feet, 400, feet, and 650 feet. There are no records available <br /> ' for the wells. See Figure 1, Vicinity Map with Domestic Well Survey <br /> 2. Site maps, to scale, of area impacted showing locations of any former and <br /> existing tank systems, excavation contours and sample locations, boring and <br /> ' monitoring well elevation contours, gradients, and nearby surface waters, <br /> buildings, streets, and subsurface utilities; - See Figure 2. Site Map <br /> ' 3. Figures depicting lithology (cross section), treatment system diagrams; - See <br /> Figure 7 and Figure 8 Hydrogeologic Cross Sections. <br /> ' 4. Stockpiled soil remaining on-site or off-site disposal (quantity); None—All <br /> impacted soil disposed as part of remedial excavation February to April 2005. <br /> ' 5. Monitoringwells remaining on-site fate; - Five site monitoring wells to be <br /> 9 � g <br /> destroyed under permit from San Joaquin County after approval of closure request. <br /> 6. Tabulated results of all groundwater elevations and depths to water; - See <br /> ' Appendix D, Cumulative Soil and Groundwater Analytical Data <br /> 7. Tabulated results of all sampling and analyses: detection limits for confirmation <br /> sampling, lead analyses - See Appendix D, Cumulative Soil and Groundwater <br /> Analytical Data <br /> ' 8. Concentration contours of contaminants found and those remaining in soil <br /> and groundwater, and both on-site and off-site: - See Figures 5 through 32 in closure <br /> report. <br /> t9. Zone of influence calculated and assumptions used for subsurface remediation <br /> system and the zone of capture attained for the soil and groundwater remediation <br /> system; - Remediation by Excavation of Impacted Soil in Source Area and Natural <br /> Attenuation (see item 8) <br /> 10. Reports 1 information Unauthorized Release Form QMRs (Dates) Well and <br /> boring logs PAR FRP Other (report name) <br /> Unauthorized Release Form — San Joaquin County Department of Environmental Health <br /> Subsurface Investigation Report -August 12, 1999 <br /> Subsurface Investigation - August 17, 2004 <br />