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' TABLE 9 <br /> CONSTRUCTION SPECIFICATIONS FOR WELL AND PROBE INSTALLATION <br /> MONTOGOIVIERY WARD, STOCKTON,CA <br /> IVAPOR EXTRACTION AND COMBINATION WELLS <br /> Well Depth to Blank Screened Sand Bentonite Cement/ <br /> Number Bottom Casing Interval Pack Seal Grout <br /> in feet b s* in feet b s in feet b s in feet b s in feet b s in feet b s <br /> VEW-1A 26 0 to 10 10 to 25 8 to 26 6 to 8 0 to 6 <br /> VEW-1 B 66 0 to 25 25 to 40 23 to 41 21 to 23 0 to 21 <br /> 40 to 64 64 to 65 62 to 66 41 to 62 <br /> VEW-2 36 0 to 15 15 to 35 13 to 36 10 to 13 0 to 10 <br /> VEW-213 51 0 to 35 35 to 50 33 to 51 31 to 33 0 to 31 <br /> VEW-3 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br /> 30 to 40 40 to 50 38 to 51 31 to 38 <br /> VEW-4 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br /> 30 to 40 40 to 50 38 to 51 31 to 38 <br /> VEW-5 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br />' 30 to 40 40 to 50 1 38 to 51 31 to 38 <br /> *bgs -below ground surface <br /> SOIL VAPOR PROBES <br /> Soil Depth to Teflon Screened <br /> Probe Bottom Tubing Interval <br /> in feet b s in feet b s in feet b s <br /> SP-1A 20 0 to 18 18 to 20 <br /> SP-1 B 35 0 to 33 33 to 35 <br /> SP-2 25 0 to 23 23 to 25 <br /> SP-3 25 0 to 23 23 to 25 <br /> SP-4 25 0 to 23 23 to 25 <br /> SP-5 25 0 to 23 23 to 25 <br /> SP-6 25 0 to 23 23 to 25 <br /> SP-7A 20 0 to 18 18 to 20 <br /> "SP-76 65 0 to 33 33 to 35 <br /> *SP-8 45 0 to 33 33 to 35 <br /> " backfilled with bentonte chips from 35 feet to bottom before setting the screened interval <br /> IK 1232/1232SPEC <br />■ <br />