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Drill-outs <br /> Impacted monitoring and remediation wells, specifically <br /> MW-1 BB <br /> MW-4BB <br /> MW-5BB <br /> MW-6BB <br /> MW-7BB <br /> MW-9BB <br /> MW-91313 <br /> EX-16B <br /> All ASO wells (14 wells, TDs range from 70 to 80 feet bsg) — pre <br /> All AS wells (24 wells, TDs all 75 feet bsg) <br /> prPtiSu � -�— <br /> Pressure Grouting <br /> Unimpacted or cleaned-up monitoring wells, specifically <br /> MW-2BB <br /> MW-3BB <br /> MW-8BB <br /> MW-10BB <br /> MW-11 BB <br /> MW-12BB <br /> MW-13BB <br /> MW-14BB <br /> MW-15BB <br /> MW-17BB <br /> MW-19BB <br /> All VE wells (15 wells, TDs all 40 feet bsg) <br /> All VEO wells (14 wells, TDs 20 an 40 feet bsg) <br /> M w - (v <br /> Steel conductor casings to 77 feet bsg, PVC to 95 feet bsg (Screen 85-95' bsg) <br /> DW-1BB ND well <br /> DW-21313 ND well <br /> DW-3BB ND well <br /> Judgment calls: <br /> MW-16BB- plume margin, 6 of 12 events have detected PCE. <br /> DW-41313 occasional low hits, 4 of 11 monitoring events <br /> DTW in the area was recently at approximately 53 feet bsg, the vapor extraction wells (VE)were <br /> typically 40 feet deep, the vapor extraction observation wells (VEO) are mostly 40 feet deep, four <br /> are 20 feet deep. I've been informed that most vapor wells have 2-ft screens set just above <br /> groundwater table to capture vapor sparged from groundwater and that minimal soil <br /> contamination is associated with the release. <br />