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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 />L U U <br />a) m <br />'Ln <br />V <br />WELL NUMBER: -117 <br />Page 1 of 1 <br />Remarks: <br />Material Description <br />Well Diagram <br />ML <br />SANDY SILT (ML) reddish yellow (5YR 6/6), moist, loose, <br />uement <br />low plasticity, 10 % gravel <br />Bentonite <br />5 <br />5 <br />- same, except brown (7.5YR 5/3) and < 5 % gravel <br />Gravel <br />10 <br />10 <br />filter pack <br />Bentonite <br />15 <br />15 <br />20 --- -----------------------------------20... <br />SC <br />CLAYEY SAND (SC) brown (7.5YR 5/3), moist, medium <br />plasticity, <br />25--25 <br />Gravel <br />filter pack <br />30 _ _ <br />ML <br />-- --- — -- — — — — <br />SANDY SILT (ML) brown (7.5YR 5/3), moist, low to medium <br />30—... <br />plasticity, < 5 % gravel (angular) <br />35 <br />35 <br />Bentonite <br />40 <br />40 <br />45 <br />45 <br />50 <br />50 : <br />Gravel <br />55 <br />55 <br />filter pack <br />60 <br />so : <br />65 <br />s5 <br />70 - <br />70— <br />75 = <br />75— <br />80— <br />AS <br />$o— <br />AS <br />Drilling Company: PC Exploration <br />Date Started: 7/30/2009 <br />Time Started: 8:00am <br />Drilling Method: Hollow Stem Auger <br />Date Completed: 7/30/2009 <br />Time Completed: 2:00pm <br />Boring Diameter: 8 in <br />Elevation (ft): 226.385 <br />Total Depth (ft): 66 <br />Logged By: Rich Peevers <br />Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />