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J V <br /> APPENI)hi B OF THE TRI-REGIONAL RECOMMENDATIONS <br /> CHECKLIST OF REQUIRED DATA FOR CLOSURE OF UNDERGROUNDTANK SITES <br /> CLOSURE DOCUMENT APPLICATION <br /> 1. Distance to production wells for municipal, domestic, agriculture, industry and other uses <br /> within 2000 feet of the site; <br /> 2. ZSite maps to scale of area impacted showing locations of former and existing tank systems, <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; <br /> 4_ ✓Stockpiled soil remaining on-site or off-site disposal (quantity); <br /> 5. Monitoring wells remaining on-site, fate; W7 <br /> 6. ✓ Tabulated data of all ground water elevations and depths to water;- <br /> 7. <br /> ater;7. ✓ Tabulated results of all sampling and analyses: <br /> Detection limits for confirmation sampling <br /> Lead analyses <br /> S. Nrn': <br /> Concentration contours of contaminants found and those remaining in soil and ground water, <br /> both on- and off-site: <br /> Lateral extent of soil contamination <br /> Vertical extent of soil contamination <br /> Lateral extent of ground water contamination <br /> Vertical extent of ground water contamination <br /> 9.Aj& Zone of influence calculated and assumptions used for the subsurface remediation system <br /> and the zone of capture attained for the soil and groundwater remediation system; <br /> 10.1L Reports/information missing from file <br /> Unauthorized Release Form (URF) <br /> QMRs (Dates) <br /> PAR <br /> FRP <br /> Other(report name) <br /> Well and boring logs <br /> 11. ✓ Best Available Technology (BAT) used or an explanation for not using BAT; <br /> 12._�5,Reasons why"background"waslis unattainable using BAT; <br /> 13. Mass balance calculation of the substance treated versus that remaining; <br /> 14.it—Assumptions, parameters, calculations and model used in risk assessments, and fate and <br /> transport modeling; <br /> 15.Aj.k Rationale why conditions remaining at the site will not adversely impact water quality, <br /> health, or other beneficial uses; and <br /> 16.�WET or TCLP results <br /> Comments: <br />