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amec— <br /> TABLE <br /> B.1-3 <br /> Backup for Monitoring Well Costs <br /> In Situ Air Sparging Biobarrier <br /> Nestle Ripon <br /> NO UNIT NOTE/CALCULATION <br /> a curtain length 4500 FT from cross section <br /> b cmt well offsets 100 FT <br /> C cmt wells 45 EA =(a/b-1) <br /> d cmt ports(sample depths) 7 <br /> e boring depth 200 FT from cross section <br /> f linear feet of drilling 9000 FT =c x e <br /> g drilling production rate 200 FT/DAY <br /> h crews 2 <br /> i time onsite 23 DAY =f/g/h <br /> j cuttings generated(6-in.hole) 2.16 gal/FT (assumes 20%volume increase in core) <br /> k drums of waste generated 486 =(f x j)/40 gal/drum <br /> I QA/QC samples 3 /per 20 samples <br /> m groundwater samples 363 =c x d+((c x d)/20)x 3 <br /> Notes <br /> cells highlight blue are calculated values <br /> AMEC Geomatrix, Inc. <br /> \\oad-fs1\doc_safe\9000s\9837.006\4000 REGULATORY\FS Assessment_Apx B_012711\Attachment B.1\Attachment B.1-Air Sparging-Tables B.1-1 to B.1-3.xls Page 1 of 1 <br />