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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 />103 <br />Page 2 of 2 <br />Project: LFG Monitoring Well Installation Remarks: <br />Client: San Joaquin County Hollow stem auger rig encountered refusal at 13 ft. <br />Location: Foothill Sanitary Landfill Well completed with air rotary rig. <br />6484 North Waverly Road, Linden, CA <br />rn <br />U J <br />a U Material Description Well Diagram <br />CL <br />o m <br />we, <br />95 <br />100 1 <br />105 = <br />110 = <br />115- <br />120- <br />125 <br />15-120-125 = <br />130- <br />135- <br />140 <br />30-135-140 = <br />145- <br />150-- <br />155-- <br />160—Z <br />45-150=155=160= <br />165 = <br />SILTY SAND (SM) continued <br />at 82ft: dark yellowish brown (10YR 4/6), approximately 20 % <br />low plastic fines, 80 % fine-grained sand <br />SANDSTONE~ brown, moderately cemented <br />095 90-- <br />9 5 <br />100 <br />105- <br />110__ <br />115-- <br />120_ <br />15_120_ <br />125- <br />130-- <br />135- <br />140- <br />145- <br />150--: <br />25=130=135=140=145=150= <br />155- <br />160- <br />165-- <br />Drilling <br />55=160=165= <br />Drilling Company: PC Exploration/Westex Date Started: 7/29/2009 Time Started: 12:20pm <br />Drilling Method: HSA/Air Rotary Date Completed: 8/7/2009 Time Completed: 1:35pm <br />Boring Diameter: 8-5/8 in Elevation (ft): 254.86 Total Depth (ft): 100 <br />Logged By: Kristin Sample, PE Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />