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0 <br />I <br />DIM. <br />d - <br />PROTECTIVE WELL <br />ENCLOSURE <br />SEE SCHEDULE <br />1/4" <br />WEEP HOLE <br />CONCRETE UP <br />3" MIN <br />� a <br />o z , <br />1 � <br />U O <br />z I <br />o u 1 _ " <br />z <br />o MIN <br />3 <br />AS NEEDED <br />AS NEEDED <br />w �cn v <br />_ "zoo <br />a <br />CD �o <br />°a <br />o. <br />SAMPLING INTERVAL VARIES <br />12" ENCLOSURE COVER <br />MIN WELL ENCLOSURE TOP EDGE <br />SAMPLING TUBE <br />PROBE TOP <br />-F-- PAINT W/ 2 COATS RUST INHIBITIVE PAINT (RED) <br />INSTALL 4" X 3/4" CARRIAGE BOLT IN WET CONCRETE <br />PER THE DIRECTION OF THE ENGINEER <br />INSCRIBE WELL NUMBER IN WET CONCRETE <br />GROUND SURFACE <br />CONCRETE BASE <br /><e <br />CEMENT SLURRY. (6 GAL WATER PER 98 LB SACK) <br />W/5% BENTONITE <br />BENTONITE <br />HYDRATE PRIOR TO PLACING CEMENT <br />PROBE PIPE <br />SHALLOW SOIL GAS PROBE <br />BENTONITE. LOCATION OF <br />BENTONITE SEALS TO BE SELECTED <br />BY ENGINEER TO AVOID OBSTRUCTION OF <br />PERMEABLE LENS (TYP) <br />INTERMEDIATE SOIL GAS PROBE <br />PROBE TOP SCHEDULE <br />TUBE <br />COLOR <br />DEPTH OF <br />PROBE <br />DISTANCE FROM PROBE <br />TOP TO WELL <br />ENCLOSURE TOP EDGE <br />RED <br />SHALLOW <br />4" <br />BLUE <br />INTERMEDIATE <br />3" <br />YELLOW/GOLD <br />DEEP <br />2" <br />DEEP SOIL GAS PROBE <br />PEA GRAVEL (TYP) <br />BOTTOM OF WELL Bw <br />(MIN) <br />TRIPLE PROBE SOIL GAS MONITORING WELL <br />COUNTY OF SAN JOAQUIN SOIL GAS MONITORING TRIPLE PROBE FIG 3 <br />WELL INSTALLATION I SOIL GAS WELL <br />