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Vector Engineering, Inc. <br />WELL NUMBER: <br />SG -115 <br />143E Spring Hill Drive <br />Grass Valley, CA 95945 <br />Page 1 of 1 <br />Telephone: 530-272-2448 <br />Fax: 530-272-8533 <br />Project: LFG Monitoring Well Installation <br />Remarks: <br />Client: San Joaquin County <br />Location: Foothill Sanitary Landfill <br />6484 North Waverly Road, Linden, CA <br />U) <br />0 <br />� <br />a <br />Material Description <br />Well Diagram <br />o <br />= <br />a <br />CO <br />ML SANDY SILT (ML) brown (7.5YR 5/3), moist, loose, low <br />Cement <br />plasticity, < 10 % gravel <br />5 <br />Bentonite <br />5 <br />Gravel <br />10--10 <br />filter pack <br />Bentonite <br />15 <br />15 <br />20--20 <br />: <br />25 <br />25 <br />Gravel <br />filter pack <br />30 <br />3041 <br />35-- <br />35 <br />Bentonite <br />40 _ — --- --- --— — — — — — — <br />CL SANDY CLAY (CL) brown (7.5R 5/3), moist, medium <br />40 <br />plasticity <br />45 <br />45 <br />50 <br />50--. <br />Gravel <br />55 = — — — — — — — — — <br />ML SANDY SILT (ML) brown (7.5YR 5/3), moist, low plasticity, <br />55—,'filter <br />pack <br />approximately 10 % sand, 5 % gravel (subangular) <br />60 <br />s0 <br />65 <br />65 :. <br />70-- <br />70-- <br />75-- <br />75-- <br />5_80- <br />80-- <br />80_ <br />Drilling Company: PC Exploration <br />Date Started: 7/31/2009 Time Started: 1:00pm <br />Drilling Method: Hollow Stem Auger <br />Date Completed: 8/3/2009 Time Completed: <br />12:30pm <br />Boring Diameter: 8 in <br />Elevation (ft): 226.463 <br />Total Depth <br />(ft): 66 <br />Logged By: Rich Peevers <br />Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />