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VW-5B GROUND WATER ELEVATION CALCULATION <br /> LARRY'S AUTO <br />' 308 North Grant Street, Stockton, California <br />' Boring VW-5,drilled at an angle of 10` from vertical directed N 80° W,was advanced to a depth of <br /> 55 vertical feet below surface grade(bsg)with a horizontal run of 9 7 feet and was triple-completed <br /> as a vapor extraction remediation well Well VW-5B is screened from 26 5 feet to 415 feet bsg The <br />' ground water elevation in MW-5B on 02 June 2003 was 22 10 feet below mean sea level(MSL),but <br /> due to the 10" angle of the well , the adjusted MSL of VW-5B is 21 76 feet below MSL by the <br />' following calculation <br /> d = Adjusted ground water elevation <br /> x = 22 10 feet <br /> 0 = 10° <br />' such that <br /> d = x cos O <br /> d = 22.10 cos 10 <br /> lie d = 21.764 21.76 feet <br /> 1 <br /> 1 <br /> 1 <br />,1 <br /> 1 <br /> 1 14D <br /> ' Advanced GeoEnvironmentRl,Inc <br /> 1 <br />