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A.PPENbt-,B OF THE TRI REGIONAL RECOk5JOENDATIONS <br /> -_ __.=CXLIST_OE BEQUIRED.DATA FOR-CLOSURE-0 TANKSITES <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, and\,subsurfa= utilities; - <br /> 3. figures depicting lithoiogy (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; <br /> 6. tZab�ulay.-d <br /> data of all ground water elevations and depths to water, <br /> 7. results of all sampling and analyses: <br /> eection limits for confirmation sampling <br /> - -- - �?b�R­aalys,ii---- -- — ---- <br /> 8. Concentration contours of contaminants found and those remaining in soil and ground water, both <br /> on- anC�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. ��- 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. _J/ Reports/information missing from file A I (4;oy`t5 �`n -4 Ge H <br /> Unauthorized Release Farm (URF) <br /> QMRs (Dates) <br /> PAR <br /> FRP <br /> Other (report name) <br /> Well and boring logs <br /> 11. A116- 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. �. Assumptions, parameters, calculations and model used in risk assessments, and fate and transport- <br /> modeling; - <br /> 15. Rationale why conditions remaining at they site wUl not adversely impact water quality, health, or <br /> other beneficial uses; and <br /> 16.�'j WET.or TCLP results17 <br /> / UW i eV CS / <br /> Comments: �2,,l tf l�.c•� Y <br /> X21\0 a0 lbw Pxc� 4o �U <br /> fr �V1 �{-��1t�� �( 1�ia►�� <br />