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I <br /> APPENDIX B OF THE TRI-REGIONAL RECONINiENDATIONS <br /> CHECKLIST OF REQUIRED DATA FOR CLOSURE OF UNDERGROUND TANK SITES <br /> CLOSURE DOCUMENT APPLICATION SITE: <br /> 1. '-_ Distance to production wells, for municipal, domestic, agriculture, industry and other uses within <br /> 1000 feet of:the site; <br /> Z. ►' Site maps, to scale, of area impacted showing locations of former and existing tank systems, <br /> excavation contours and sample locations, boring and monitoring_wPt1,elevation contours, <br /> k gradients, and nearby surface waters, buildings, streets, and sulk rface utilit' 7> <br /> 3. Figures depicting lithology {.cross section), treatment system diagrams, <br /> J i <br /> 4. Stockpiled soil remaining on-site or off-site disposal (quantity); <br /> ;s <br /> 5. ✓ Monitoring'wells remaining .on-site, fate; <br /> 6. ✓Tabulated d Ata 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. 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 /> i <br /> 9. .,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/infdirmation <br /> Unauthorized Release Form (URF) <br /> QMRsj (Dates) <br /> PAR <br /> FRP <br /> Other (report name) <br /> Well and boring logs <br /> f 11. Best Available Technology (BAT) used or an explanation for not using BAT; , <br /> 12. - Reasons why "background" 'was/is unattainable using BAT; <br /> 13. Mass balance calculation of the substance treated versus that remaining; <br /> 14. '�AssumptionsI parameters, calculations and model used in risk assessments, and fate and transport <br /> modeling; { <br /> 15. `Rationale whey conditions remaining at the site will not adversely impact water quality, health, or <br /> other beneficial uses; and <br /> 16. WET or TCL P results <br /> a. <br /> Comments: <br /> By: <br /> Date: <br />