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APPAB OF THE TRI-REGIONAL RECC,, rIENDATIONS <br />— --- __.._.CHECKLIST-OE.EEQUMF-D-DATA_FOIL CLOSURE.OF-U DFERGRQLLVD-TANYI-S 'L"ES__-- <br /> CLOSURE DOCUMENT APPLICATION <br /> 1. Distance to production wells for municipal, domestic, agriculture, industry 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 and monitoring well-elevation contours, <br /> gradients, and nearby surface waters; buildings, streets, andssubsurface utilities; <br /> 3. ✓ Figures depicting lithology (cross-section), treatment system diagrams; <br /> 4. L// Stockpiled soil remaining on-site or off-site disposal (quantity); <br /> 5. J, Monitoring wells remaining on-site, fate; <br /> 6. r/ 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 /> - --------------__-_... -.- <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 contamination - <br /> g. Zone of influence calculated and assumptions used for the subsurface remediation system and the <br /> zone of capture attained for the soil and ground water remediation system; <br /> 10. ✓ 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. NA_ Best Available Technology (BAT) used or an explanation-for not using BAT; <br /> 12. NA Reasons why "background" waslis unattainable using BAT; <br /> 13. ✓ Mass balance calculation of-the substance treated versus.that remaining; <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 w91 not adversely impact water quality, health, or <br /> other beneficial uses; and <br /> 16. WET or TCLP results <br /> Comments: <br />