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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 />_ m <br />J <br />L v U <br />Q <br />m <br />0 <br />WELL NUMBER: - <br />113 <br />Page 1 of 2 <br />Remarks: <br />Material Description <br />ML SANDY SILT (ML) brown (7.5YR 4/3), dry, approximately 50 <br />% low plasticity fines, 50 % fine- to medium -grained sand, <br />5 trace gravel, some weakly cemented sand <br />10 1 <br />-approximately 60 % fines, 40 % fine-grained sand <br />---------------------------------- <br />5 SM SILTY SAND (SM) dark brown (10YR 3/3). moist, <br />approximately 20 % low plastic fines, 80 % fine- to <br />20 medium -grained sand z <br />25 ML r r SANDY SILT (ML) brown (7.5YR 5/3), loose, moist, low Z <br />plasticity <br />30 <br />35 <br />40 <br />45 <br />50 <br />55 <br />60 <br />65 <br />70 <br />75 <br />80 <br />CL LEAN CLAY (CL) silty clay, brown (7.5YR 5/3), loose, <br />medium plasticity, minor sand, <5% gravels 35 <br />-same, except no gravel <br />Well Diagram <br />Bentonite <br />Gravel <br />filter pack <br />Bentonite <br />Gravel <br />filter pack <br />Bentonite <br />-same to bottom of hole, except more sand, 10 -15 % 80 <br />fine-grained sand <br />Drilling Company: PC Exploration <br />Drilling Method: Hollow Stem Auger <br />Boring Diameter: 8 in <br />Logged By: Rich Peevers <br />Sampling Method: Grab from cuttings <br />Gravel <br />filter pack <br />Date Started: 8/4/2009 Time Started: 2:05pm <br />Date Completed: 8/5/2009 Time Completed: 4:00pm <br />Elevation (ft): 263.008 Total Depth (ft): 103 <br />Groundwater Level: NFWE <br />C: <br />