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Station 20+00, 25 feet Right (125 f et south of south boundary of <br /> Byron Road right-of-way) <br /> Depth of soil boring 23 ft. <br /> f . <br /> Number of soil samples taken 5 <br /> Interval of soil samples taken 5 ft. <br /> Noticeable petroleum hydrocarbon apors none <br /> r~ <br /> f <br /> '. Noticeable soil discoloration none <br /> Depth to ground surface (ft. ) 5.8 <br /> Groundwater elevation (above m.s.1 . ) (ft. ) 30.5 <br /> Backfill procedure SJLHD <br /> Drill hole sealing procedure SJLHD <br /> . Note: Station 20+00, 25 feet Right was bridged at a depth <br /> of 10.5 feet with clay making it impossible to fill <br /> F the hole with bentonite pellets per SJLHD specifications. i <br /> The hole was re-drilled and backfilled with a bentonite <br /> slurry which was tremied into the borehole. <br /> y <br /> Laboratory samples analyzed 1 <br /> Laboratory samples found to contain petroleum <br /> hydrocarbons 0 j <br /> r-, I <br /> k <br /> III-7 <br />