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l <br /> 1" Sch 80 PVC <br /> Liquid filled <br /> pressure gauge 1" PVC true <br /> 0-30 PSIG J- union ball valve <br /> 2" Sch 80 PVC Tee <br /> b b b b <br /> A 6 8 8 8 8 <br /> b b b e 8 6 8 8 12" 0 Well vault <br /> b O b <br /> b b b <br /> b A e Existing concrete seal <br /> b b b <br /> b b b <br /> 6 A e <br /> 6 6 b <br /> b b 8 <br /> • r r <br /> r\r •;r Existing air sparge well <br /> • r <br /> \ \ <br /> ♦ ♦ r r <br /> \ <br /> r r r r <br /> \ <br /> r r • / <br /> \ \ <br /> • r : r <br /> `�Q ♦`r r\r <br /> r`♦ •`r <br /> " Total Depth r*r <br /> \ <br /> / ♦ r r <br /> r`r ♦`r <br /> 4 \ <br /> r r f r <br /> r\r f\r <br /> r`r ♦`r <br /> ♦ 4 <br /> r r r r <br /> r\♦ r\/ <br /> Portland cement <br /> r,r r\r <br /> r r • • <br /> r\r •\r <br /> r`r •`r <br /> 4 \ <br /> ♦ r r <br /> 2` Bentonite seal <br /> RMC 2 x 12 sand <br /> 2" 0 Sch 40 PVC <br /> 0 020" slotted screen <br /> 2' screen interval <br /> �-24n� <br /> NOT TO SCALE <br /> FORMER CHEVRON U S A SERVICE STATION 9-1918 FIGURE <br /> PACIFIC 45 East Harding Way at EI Dorado Avenue S <br /> ENVIRONMENTAL Stockton, California <br /> GROUP, INC PROJECT <br /> AIR SPARGE WELL DETAIL 320-133 7B <br />