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Vector Engineering, Inc. L -1 <br /> 143E Spring Hill Drive <br /> Grass Valley, CA 95945 Page 1 of 2 <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 /> _ rn <br /> J <br /> C/1 <br /> QMaterial Description Well Diagram <br /> c� <br /> ML SANDY SILT(MLA reddish yellow(5YR 6/6), moist, loose, Cement <br /> low plasticity <br /> 5 -5ft: same, except brown (7.5YR 5/3) 5 Bentonite <br /> -7ft: layer of medium/coarse gravel Gravel <br /> 10 10 filter pack <br /> GM� ° SILTY GRAVEL WITH SAND (GM)nonplastic <br /> — �--------------------------------� Bentonite <br /> 15 CLl 0 SANDY CLAY_WITH GRAVEL(CL)medium plasticity <br /> GM -& SILTY GRAVEL WITH SAND (GM)brown, nonplastic, moist, <br /> 20 0 loose <br /> 20 <br /> 30 <br /> 25 CL SANDY CLAY(CL) brown, moist, medium to high plascticity, 25 <br /> minor gravel (<5%) <br /> 30 -- <br /> 35 -- <br /> 0 35 35 Gravel <br /> filter pack <br /> 40 40-- <br /> 45 -- 45 <br /> 50 50 �. <br /> 55 55 <br /> Bentonite <br /> 60 -- <br /> T: <br /> 0 so <br /> 65 65 <br /> 70 70 <br /> -same to bottom except dark yellowish brown 10YR 3/4 60 - <br /> 75 p Y ( ), 75 <br /> 80 % medium plasticity fines, 20-40 % fine-grained sand, stiff <br /> 80 80 Gravel <br /> filter pack <br /> Drilling Company: PC Exploration Date Started: 8/6/2009 Time Started: 9:30am <br /> Drilling Method: Hollow Stem Auger Date Completed: 8/10/2009 Time Completed: 11:35pm _ <br /> Boring Diameter: 8 inch Elevation (ft): 260.59 Total Depth (ft): 101 <br /> Logged By: Rich Peevers Groundwater Level: NFWE <br /> Sampling Method: Grab from cuttings <br />