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EXISTING GRADE <br />ELEVATION <br />M <br />W <br />J <br />m <br />W <br />W <br />N <br />I <br />m <br />W <br />J E5 <br />m <br />Q <br />F- <br />W <br />W <br />I <br />a <br />0 <br />t <br />5-0" MIN <br />WELL ENCLOSURE <br />1/4" WEEP HOLE <br />INSCRIBE WELL NUMBER <br />AND DATE IN WET CONCRETE <br />CLASS II AB <br />4 FT ALL AROUND <br />CONCRETE <br />AS NEAT CEMENT <br />�-� 3x3x3 DOBIE (EACH SIDE) <br />BENTONITE (TYP) <br />SHALLOW PROBE PIPE <br />PROBE TIP AT BOTTOM <br />OF ROCK SECTION (TYP) <br />3/4" HDPE <br />PROBE PIPE <br />(TYP OF 3 -SEE FIGURE 3) <br />6" PEA GRAVEL (TYP) <br />PERFORATIONS <br />(TYP) <br />INTERMEDIATE <br />PROBE PIPE <br />SAMPLING INTERVAL VARIES (TYP) <br />5'-0" MIN <br />.,DEEP PROBE <br />•:==;_ •PIPE <br />PROBE PIPE <br />WEIGHT (TYP) <br />ViXII0 1411 i0 <br />8" MIN <br />WELL ENCLOSURES WILL BE PROTECTED WITH BOLLARDS OR <br />COW BARRIERS AS DETERMINED BY THE COUNTY <br />COUNTY OF SAN JOAQU[N I TRIPLE PROBE SOIL GAS MONITORING WELL I FIGURE 2 <br />