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.APPENDIX B OF THE TRI-REGIONAL RECOMMENDATIONS <br /> CHECKLIST OF REQUIRED DATA FOR CLOSURE OF UNDERGROUND TANK SITES <br /> ' CLOSURE DOCUMENT APPLICATION SITE: _rA1aAa <br /> 1• f Distance to production wells for municipal, domestic, agriculture, industry and other uses within <br /> 2000 feet of the site; <br /> 1 2• ✓ Site maps, to scale, of area impacted showing locations of former and existing rank 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. _k/ Stockpiled soil remaining on-site or off-site disposal (quantity); <br /> 5. ✓ Monitoring wells remaining on-site, fate; <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 /> Lead analyses <br /> 8. __V/ 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 /> ' 9. Plr 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. V' Reports/information <br /> ' Unauthorized Release Form (URF) <br /> QMRs (Dates) <br /> PAR <br /> FRP <br /> Other (report name) <br /> ' V Well and boring logs <br /> 11. ✓ Best Available Technology (BAT) used or an explanation for not using BAT; <br /> 12., _V/ Reasons why "background" was/is unattainable using BAT; <br /> 13. Mass balance calculation of the substance treated versus that remaining; <br /> ' . I4. Assumptions, parameters, calculations and model used in tisk 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. _ELL-- WET or TCLP results <br /> ' Comments: <br /> By: <br /> ' Dau: <br />