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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 />Project: LFG Monitoring Well Installation <br />Client: San Joaquin County <br />Location: Foothill Sanitary Landfill <br />6484 North Waverly Road, Linden, CA <br />rn <br />J <br />� U � <br />CL <br />o <br />90 <br />95 <br />100 <br />105 <br />110 <br />115 <br />120 <br />125 <br />130 <br />135 <br />140 <br />145 <br />150 1 <br />155-- <br />160 <br />55=160 = <br />165 -- <br />WELL <br />LSG-107 <br />Page 2 of 2 <br />Remarks: <br />Hole overdrilled to 150 ft. <br />Placed 4 ft of gravel at bottom. <br />Deep probe placed at 146 ft, as d <br />Material Description <br />11 <br />11 <br />12 <br />12 <br />13 <br />13 <br />14 <br />14 <br />150J <br />155= <br />160= <br />165= <br />Well Diagram <br />Gravel <br />filter pack <br />Drilling Company: Westex Date Started: 8/7/2009 Time Started: 3:30pm <br />Drilling Method: Air Rotary Date Completed: 8/11/2009 Time Completed: 10:50am <br />Boring Diameter: 8-5/8 in Elevation (ft): 305.676 Total Depth (ft): 150 <br />Logged By: Pete Holland, CEG Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />POORLY GRADED SAND (SP) continue <br />— — — — — — — — — — — — — — — — <br />XXXX— <br />X X X X <br />— — — — — — — — — — — — — — — — — <br />SILTSTONE; brown, moderately cemented <br />XX X X <br />X X X X <br />X X X X <br />X X X X <br />X x x X <br />X X X X <br />XXXX <br />SP <br />POORLY GRADED SAND (SP) black sand, weakly to <br />moderately cemented <br />XX X X <br />X X X X <br />---------------------------------- <br />SILTSTONE, brown, moderately cemented, laminated <br />XX X X <br />X x X x <br />X x x x <br />X x x X <br />X x x x <br />X xx x <br />X x x x <br />X x x x <br />X X X X <br />X X X X <br />X X X X <br />X x x x <br />X x x x <br />X XX x <br />X X X X <br />X x x X <br />X x x x <br />X x x X <br />xx X x <br />X <br />thin 1 ft) beds of sandstone from 125 -146 ft <br />X X X <br />- several (about <br />X x X x <br />X X x x <br />X x X x <br />XX X X <br />X X X X <br />X x X x <br />X x X x <br />X x x x <br />X x X x <br />X x x x <br />xx x x <br />X x x x <br />xx x x <br />X x x x <br />X x x x <br />X X X x <br />XX x x <br />X x x X <br />X x x x <br />XX X X <br />X X X X <br />X x X x <br />X x x x <br />X X x x <br />X x X x <br />11 <br />11 <br />12 <br />12 <br />13 <br />13 <br />14 <br />14 <br />150J <br />155= <br />160= <br />165= <br />Well Diagram <br />Gravel <br />filter pack <br />Drilling Company: Westex Date Started: 8/7/2009 Time Started: 3:30pm <br />Drilling Method: Air Rotary Date Completed: 8/11/2009 Time Completed: 10:50am <br />Boring Diameter: 8-5/8 in Elevation (ft): 305.676 Total Depth (ft): 150 <br />Logged By: Pete Holland, CEG Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />