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r <br /> SOIL CLASSIFICATION WELL CONSTRUCTION <br /> DEPTH 0' 0' <br /> BASE ROCK 4". 4" UNLOCKED CAP <br /> SANDY SILT <br /> 4" PVC <br /> CEMENT GROUT <br /> SILTY SAND <br /> i <br /> 20' <br /> SILTY CLAY <br /> (LOW PERMEABILITY(LAYER) <br /> (EST. K=1.0 X 10-6 CM/SEC) 25' <br /> 38' <br /> BENTONITE_ SEAL <br /> SAND 40' <br /> W.T. @ 42' <br /> 45' 10'OF 4"PVC SCREE <br /> & SAND FILTER <br /> SANDY SILT <br /> 50' -5 0' <br /> MONITORING WELL CONSTRUCTION & DRILL LOG <br /> BURLINGTON BROS. INSTALLED BY SPECTRUM 05/28/96 <br /> FOOTHILL ENGINEERING LODI CA. <br /> LOGGED BY: ERVIN RIFENBURG, PE <br /> •�e <br />