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• <br />Vector Engineering, Inc. <br />143E Spring Hill Drive <br />Grass Valley, CA 95945 <br />Telephone: 530-272-2448 <br />Fax: 530-272-8533 <br />WELL NUMBER: - <br />115 <br />Page 1 of 1 <br />Project: LFG Monitoring Well Installation <br />Client: San Joaquin County <br />Location: Foothill Sanitary Landfill <br />6484 North Waverly Road, Linden, CA <br />Remarks: <br />Cn <br />jQ <br />Material Description <br />Well Diagram <br />c� <br />ML <br />SANDY SILT (ML) brown (7.5YR 5/3), moist, loose, low <br />Cement <br />plasticity, < 10 % gravel <br />Bentonite <br />5 <br />5 <br />Gravel <br />10 <br />1 filter pack <br />Bentonite <br />15 <br />15 <br />20 <br />20 <br />25 <br />25 Gravel <br />filter pack <br />0 <br />30-- <br />35-- <br />35 <br />35-1:: <br />Bentonite <br />40 <br />40.]N <br />CL SANDY CLAY (CL)brown (7.5R 5d)—,moi it—, medium <br />plasticity <br />45-- <br />50-- <br />-4 <br />5 50 50 <br />Gravel <br />55------ — — — — — — — — — — — .55--:' filter pack <br />ML SANDY SILT (MLS brown (7.5YR 5/3}, moist, low plasticity, <br />approximately 10 % sand, 5% gravel (subangular) <br />60 60 <br />65 65 <br />70-- 70= <br />75-- 75-- <br />80-- <br />5=80= 80-- <br />Drilling <br />o=Drilling Company: PC Exploration Date Started: 7/31/2009 Time Started: 1:00pm <br />Drilling Method: Hollow Stem Auger Date Completed: 8/3/2009 Time Completed: 12:30pm <br />Boring Diameter: 8 in Elevation (ft): 226.463 Total Depth (ft): 66 <br />Logged By: Rich Peevers Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />