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TRAFFIC RATED WELL COVER <br />**Note: 3 FEET OF 1/4" TEFLON TUBING WILL BE <br />ABOVE GROUND SURFACE (Not illustrated) <br />SURFACE GRADE <br />1/4" TEFLON TUBING <br />3 FEET asg (above surface grade) - 5 1/2 FEET bsg <br />NEAT CEMENT SEAL (BENTONITE 1-5%), 1/2 -4 1/2 FEET bsg <br />DRY BENTONITE CHIP SEAL, 4 1/2 - 5 FEET bsg <br />FILTER PACK (#2/12 SAND) 5 - 6 1/2 FEET bsg VAPOR PROBE <br />5 1/2 -6 FEET bsg <br />4" BOREHOLE DIAMETER <br />ALL DEPTHS RELATIVE TO SURFACE GRADE <br />NOT TO SCALE <br />PROPOSED REPEATALBE SOIL-VAPOR SAMPLING POINT <br />TRNASMISSION STORE <br />515 WEST CHARTER WAY <br />STOCKTON, CALIFORNIA <br />Advanced <br />GeoEnvironmental, Inc. <br />www.advgeoenv.corn <br />FIGURE <br />4 <br />PROJECT NO AGE-12-2169 <br />DATE MARCH 2017 <br />FILE SVI <br />DRAWN BY MAC