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t. <br /> APPA-VdLY B OF THE TRI-REGIONAL RECOWNMINDATIONS <br /> ------CHECKLLST.OF1tEQUUZED DATA_FOR-CLOSURE-OE-UNDERGRbUND-TANK.SITES <br /> CLOSURE DOCUMENT APPLICATION <br /> 1. Distance to production wells for munidipaL domestic, agriculture,'industrj and other uses within <br /> 2000 feet of the site; <br /> 2. Site maps, to scale, of area impacted showing locations of former and existing tank systems, <br /> excavation contours and-sample locations, boring andmonitoring;weil elevation contours, <br /> gradients, and nearby surface waters, buildings, streets, andssubsurface 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 remammg on-site, faze; <br /> 6. Tabulated data of all ground water elevations and depths to water, <br /> 7. Tabulated results of all sampling and analyses: <br /> Detection limits for confirmation sampling <br /> ---•^---- T Lead analyses �. �` _ —..--•-_.__ <br /> 8. Concentration contours of contaminants found and those remaining in ;soil and ground water, both <br /> 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 eoniaffi&itian <br /> 9. Zone of influence calculated and assumptions used .for the subsurface remediation ma systeand the <br /> zone of capture attained for the soil and ground water remediation system; } <br /> 10. Reportsrnformation missing from file } <br /> Unauthorized Release Form (U1R <br /> QMRs (Dates) <br /> PAR <br /> FRP <br /> Other (report name) 4PYL r) in Toyh/,1I ?1Lii/D�u� <br /> Well and boring logs <br /> 11. � Best Available Technology (BAT) used or an explanation for not;using BAT; <br /> 12. Reasons why "background" waslis unattainable using BAT, <br /> 13. Mass balance calculation of the substance treated versus that remaining; F <br /> 14. Assumptions, parameters, calculations and model used in risk assessments, and fate and transport <br /> modeling; <br /> 15. Rationale why conditions remaining at the site will not adversely impact water quality, health, or <br /> other beneficial uses; and <br /> +16.:_� WET or TCLP results <br /> Comments:, # <br /> r <br /> l <br /> �4F <br /> kl I <br />