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=. r= rte ' l777777 r"� r--".i' r-!7 r- rte, r..."`' r y r-7 r----p4 <br /> Table 2 <br /> Summary of Air SpargeNapor Extraction Well Specifications and Sail Sample Results <br /> Second Quarter 2009 Operations, Maintenance and Monitoring(OM&M)Report <br /> CalTrans Maintenance Station,Shop 10 <br /> VOCs(mg/kg) <br /> Sample Soil Sample Well Total Well Well Screen Sample Depth TPH as TPH as Diesel <br /> Diameter Depth Gasoline <br /> ' <br /> Identification Date (feet bgs) {feet bgs) (mg/kg) <br /> (inches) (feet bgs) (mglkg) Benzene Ethylbenzene Toluene Xylenes <br /> ASW-1 — 1 72 67-72 <br /> ASVV-2 — 1 72 67-72 — — — <br /> ASVV-3. 1 72 67-72 — — <br /> ASVV-4 — 1 96 91-96 - — — — <br /> VEVV-1 6!812005 6 40 20-40 15 1.2 12 ND<5.0 0.018 ND<5.0 0.031 <br /> 618!2005 40 N0<1.0 I ND<1,0 0.14 0.037 .. ND<5.0 ND<5.0 <br /> VEW-2 6!7105 fi 40 30-40 35 8.9 4.0 1,2 0.32 3.9 1.71 <br /> i 6!7105 42 11 3.8 1.4 0.99 4.8 1 5.2 <br /> Notes: — = Sample not collected,data not available. <br /> bgs= Below ground surface <br /> mg/kg= Milligrams per kilogram <br /> VOCs= VOCs by EPA Method 82608(constituents listed detected in at least one sample analyzed). <br /> ND= Not detected above respective laboratory equipment reporting limits <br /> i <br /> Q2'09 OMM Tables.)ds/Table 2 1 of 1 7/31/2009 <br /> i <br />