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Vector Engineering, Inc. -1 <br /> 143E Spring Hill Drive WELL NUMBER: <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 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 /> 5 = Q Material Description Well Diagram <br /> 0 <br /> SILTY SAND(SM) continued <br /> -at 82ft: dark yellowish brown (10YR 4/6), approximately 20 % <br /> 90 low plastic fines, 80 %fine-grained sand <br /> :::::: SANDSTONE brown, moderately cemented <br /> 95 :::::: 95 <br /> 100 _ 100 <br /> 105 = 105-- <br /> 110 - <br /> 05=110 - 110= <br /> 115 - 115 - <br /> 120 - <br /> 15=120 - 120= <br /> 125 — 125- <br /> 130 - <br /> 25=130 - 130-- <br /> 135 - <br /> 30=135 = 135- <br /> 140 - <br /> 35=140 - 140- <br /> 145 <br /> 40-145 = 145-- <br /> 150 <br /> 45=150 = 150-- <br /> 155 <br /> 50=155 = 155- <br /> 160 = 160-- <br /> 165 <br /> 60=165 _ 165= <br /> Drilling Company: PC Exploration/Westex Date Started: 7/29/2009 Time Started: 12:20pm <br /> P <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 />