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Table 5 <br /> Confirmation Soil Vapor Sample Results <br /> Caltrans Maintenance Station, Shop 10 <br /> VOCs <br /> Sample Well Diameter Well Screen Hydrocarbons: <br /> Identification (inches) (feet bgs) C10-C22 Helium(%) <br /> (Diesel) Benzene Toluene Ethylbenzene Xylenes Range of Other <br /> Detected VOCs <br /> VB-1 0.25 5.154.65 ND<14,300 27 140 7.4 37 2.3-140 1.7 <br /> VB-2 0.25 5.154.65 ND<9,472 14 65 6.5 29 0.51 -42 ND<0.020 <br /> DUP-1 0.25 5.154.65 ND<9,472 14 67 6.6 30 0.66 J,DX-62 MB ND<0.020 <br /> Trip -- --- ND<77.2 pg ND<0.48 ND<0.57 ND<0.65 ND-r0.65 ND<0.26-2.1 -- <br /> Notes: <br /> All results in micrograms per cubic meter(pg/M3),except trip sample for diesel which is reported in micrograms(pg). <br /> All soil vapor samples collected on 10112/200 9. <br /> bgs= below ground surface <br /> pglm3= micrograms per cubic meter <br /> pg= micrograms <br /> VOCs= Volatile Organic Compounds <br /> -%= percent.. <br /> ND<= Analyte not detected above respective laboratory equipment reporting limit. <br /> J,DX= Laboratory estimated value,between the method detection limit and the method quantification limit. <br /> MB= Analyte present in the method blank. <br /> — = Sample not collected. <br /> 11-3-09 Closure Tables without Figures.xlslTable 5 34 of 37 12/14/2009 <br />