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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 />CL s V � <br />Cn a <br />0 <br />WELL -1 <br />Page 1 of 1 <br />Remarks: <br />Material Description <br />SC CLAYEY SAND (SC) greenish black (GLEY 1 2.5/5GY), <br />moist, loose, nonplastic <br />5 <br />10 _ _ ___ <br />ML SANDY SILT (ML) brown (7.5YR 5/3), moist, low plasticity, <br />20 - 30 % sand, < 15 % gravel <br />Well Diagram <br />I Bentonite <br />I Gravel <br />filter pack <br />I Bentonite <br />15-- <br />5 <br />20 <br />20-- <br />20-:- <br />0 .25 <br />25 <br />25 <br />Gravel <br />30 <br />30 :, filter pack <br />35 <br />35 :' 1 <br />40 <br />40 <br />Bentonite <br />- no gravel <br />45 <br />45 <br />50 <br />- more gravel, < 15 % sand <br />50 <br />55 <br />55 •:'T. <br />60 <br />Gravel <br />60 filter pack <br />5 <br />65-- <br />70 <br />70 <br />70 <br />75-- <br />75-- <br />5=80= <br />80-- <br />80= <br />Drilling Company: PC Exploration <br />Date Started: 7/30/2009 Time Started: 2:35pm <br />Drilling Method: Hollow Stem Auger <br />Date Completed: 7/31/2009 Time Completed: 12:05p <br />Boring Diameter: 8 in <br />Elevation (ft): 231.518 Total Depth (ft): 72 <br />Logged By: Rich Peevers <br />Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />