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Vector Engineering, Inc. <br /> 143E Spring Hill Drive WELL NUMBER: SG-117 <br /> Grass Valley, CA 95945 Page 1 of 1 <br /> Telephone: 530-272-2448 <br /> Fax: 530-272-8533 <br /> Project: LFG Monitoring Well Installation Remarks: <br /> Client: San Joaquin County <br /> Location: Foothill Sanitary Landfill <br /> 6484 North Waverly Road, Linden, CA <br /> 0) <br /> aQ Material Description Well Diagram <br /> o cU <br /> ML SANDY SILT( L) reddish yellow(5YR 6/6), moist, loose, Cement <br /> 5 low plasticity, 10 % gravel 5 <br /> Bentonite <br /> -same, except brown (7.5YR 5/3) and < 5 % gravel <br /> Gravel <br /> 10 10 filter pack <br /> Bentonite <br /> 15 15 <br /> 20 20 <br /> SC CLAYEY SAND (SC) brown (7.5YR 5/3), moist medium <br /> plasticity, <br /> 25 25 Gravel <br /> filter pack <br /> 30 --- ---------------------------------- 30 <br /> ML SANDY SILT( L) brown (7.5YR 5/3), moist, low to medium <br /> 35 plasticity, < 5 % gravel (angular) 35 <br /> Bentonite <br /> 40 40 <br /> 45-- <br /> 50 <br /> 5 50 50 <br /> Gravel <br /> 55 55 filter pack <br /> 60 s0 <br /> 65 s5 <br /> r70_ 70_ <br /> 75 = 75-- <br /> 80 <br /> 5_80 = 80-- <br /> 85 - <br /> Drilling <br /> 0=Drilling Company: PC Exploration Date Started: 7/30/2009 Time Started: 8:00am <br /> Drilling Method: Hollow Stem Auger Date Completed: 7/30/2009 Time Completed: 2:00pm <br /> Boring Diameter: 8 in Elevation (ft): 226.385 Total Depth (ft): 66 <br /> Logged By: Rich Peevers Groundwater Level: NFWE <br /> Sampling Method: Grab from cuttings <br />