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Vector Engineering, Inc. ® <br />143E Spring Hill Drive WELL ®`� <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 Hollow stem auger rig encountered refusal at 30 ft. <br />Location: Foothill Sanitary Landfill Well completed with air rotary rig. <br />6484 North Waverly Road, Linden, CA <br />rn <br />CO J <br />jaMaterial Description Well Diagram <br />a m <br />0 <br />Drilling <br />x X X x <br />x x x x <br />SILTSTONF- brown, moderately cemented, trace sand <br />90 <br />--- <br />x x x x <br />- <br />----------------------------------- <br />902,.. <br />SANDSTONE black, weakly to moderately cemented <br />--- <br />�--- <br />x x x x <br />x x x x <br />---------------------------------- <br />SILTSTONE. brown, moderately cemented <br />95 <br />x x x x <br />x x x x <br />x x x x <br />95 <br />100 = <br />x x x x <br />100- <br />105 = <br />105- <br />110 = <br />110- <br />115 = <br />115= <br />120-- <br />120- <br />125 = <br />125-- <br />25=130 <br />130= <br />130- <br />135 = <br />135= <br />140 = <br />140- <br />40=145= <br />145-- <br />145- <br />150 = <br />150- <br />50-155 <br />155= <br />155= <br />160 = <br />160- <br />165 = <br />65- <br />165- <br />Drilling Company: PC Exploration/Westex Date Started: 7/29/2009 Time Started: 12:55pm <br />Drilling Method: HSA/Air Rotary Date Completed: 8/6/2009 Time Completed: 12:30pm <br />Boring Diameter: 8-5/8 in Elevation (ft): 254.295 Total Depth (ft): 98 <br />Logged By: Pete Holland, CEG Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />