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i <br /> Vector Engineering, Inc. L 112 <br /> 143E Spring Hill Drive <br /> Grass Valley, CA 95945 Page 2 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 /> a Material Description Well Diagram <br /> 0 Z a <br /> 0 <br /> SANDY CLAY(CL) continued <br /> 84ft: claystone layer, difficult drilling <br /> 90 -- <br /> - <br /> 0 90 <br /> -91 ft: dark yellowish brown (10YR 3/4), approximately 50 % <br /> fines, 50 % fine-grained sand, stiff <br /> 95 95 <br /> 100 100 <br /> 105 105 <br /> 110 - <br /> 115 <br /> 10 -115 - 115-- <br /> 120 <br /> 15-120 - 120-- <br /> 125 <br /> 20_125 - 125- <br /> 130 - 130= <br /> 135 = 135- <br /> 140 — 140- <br /> 145 - 145- <br /> 150 — 150 - <br /> 155 - <br /> 50-155 - 155 - <br /> 160 -- <br /> 55-160 - 160-- <br /> 165 -- <br /> 60-165 - 165= <br /> Drilling Company: Technicon Date Started: 8/5/2009 Time Started: 1:05pm <br /> i 9 <br /> Drilling Method: Hollow Stem Auger Date Completed: 8/6/2009 Time Completed: 12:05pm <br /> Boring Diameter: 8 in Elevation (ft): 266.42 Total Depth (ft): 106 <br /> Logged By: Kristin Sample, PE Groundwater Level: NFWE <br /> Sampling Method: Grab from cuttings <br />