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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 41 5 feet bsg The <br /> ground water elevation in MW-5B on 20 March 2003 was 22 49 feet below mean sea level (MSL), <br /> but due to the 10* angle of the well , the adjusted MSL of VW-5B is 22 15 feet below MSL by the <br /> following calculation <br /> d = Adjusted ground water elevation <br /> x = 22 49 feet <br /> 0 = 10° <br /> such that <br /> X <br /> d cos 0 <br /> 2249 <br /> d T cos 10 <br /> d = 22148 2215 feet <br /> Advanced GeoEnvi ron mental,Inc <br />