Laserfiche WebLink
Vector Engineering, Inc. <br />143E Spring Hill Drive <br />Grass Valley, CA 95945 <br />Telephone: 530-272-2448 <br />Fax: 530-272-8533 <br />WELL -125 <br />Page 1 of 1 <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 />_ <br />U <br />rn <br />J <br />CL <br />j <br />a <br />Material Description <br />Well Diagram <br />C7 <br />SILT (M), dark brown (10YR 4/3), dry, approximately 90 %< <br />Cement <br />5 <br />_ML_ <br />GP -GM <br />low plastic fines, 10 % fine-grained sand _ _ _ _ _ _ _ _ _ _ i' <br />`----------- — <br />Bentonite <br />ML <br />WELL GRADED GRAVEL WITH SILT (GP -GM) 90 %gravel <br />5 <br />SM <br />(subrounded up to 1 in.), 10 % low plastic fines dry <br />1------=-----------------=-------� I <br />Gravel <br />10 <br />SANDY SILT WITH GRAVEL (ML) brown (10YR 4/3), dry, I <br />10 filter pack <br />approximately 50 /° low plastic fines, 30 /o fine-grained sand, I <br />20 % gravel (subrounded, up to 1 in.), layer of weakly I <br />�Icemented I <br />Bentonite <br />15 <br />:.:::...:. <br />sand__ _____________ _______ J <br />15 <br />SILTY SAND WITH GRAVEL (SM) dark yellowish brown <br />20 <br />(10YR 3/4), moist, approximately 20 % low plastic fines, 40 % <br />fine- to coarse-grained sand, 40 % gravel (subrounded, up to 3 <br />20 . <br />in.), some cobble <br />25 <br />- 18ft: dark brown (10Yr 3/3), 15 % fines, 85 % sand, some <br />25 <br />weakly cemented sand <br />30 <br />- weakly cemented sandstone layers from 22 - 33 ft <br />30 Gravel <br />_______ _________ <br />filter pack <br />35 <br />CL <br />_________ <br />SANDY CLAY (CL) brown (10YR 4/3), moist, medium <br />plasticity, approximately 50 % fines, 50 % fine-grained sand <br />40 <br />40-2 <br />SM <br />SILTY SAND (SM) dark brown (10YR 3/3), approximately 20 <br />45 <br />% low plastic fines, 80 % fine- to medium -grained sand, weakly <br />45 <br />--- <br />cemented sand <br />— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — <br />Bentonite <br />50 <br />SP -SM <br />::;:::7' <br />POORLY GRADED SAND WITH SILT (SP-SM)dark <br />50 <br />brown(10YR 3/3), approximately 10 % low plastic fines, 90 % <br />fine- to medium -grained sand, some cemented sand layers <br />55 <br />55 <br />60 <br />-with 5-10 % gravel (subangular, up to 1 in.) <br />so <br />65-- <br />65—.. <br />SC <br />CLAYEY SAND (SC) dark yellowish brown (10YR 3/4) <br />Gravel <br />70 <br />moist, approximately 15 % fines, 85 % fine-grained sand, < 5 <br />70 : filter pack <br />% gravel (subrounded, up to 1 in.) <br />75 <br />75 <br />80g0 <br />:: <br />- 15 - 30 % medium plasticity fines, 70 - 85 % fine-grained <br />sand <br />Mi <br />Drilling Company: PC Exploration/Tech n icon <br />Date Started: 8/3/2009 Time Started: 9:O0am <br />Drilling Method: Hollow Stem Auger <br />Date Completed: 8/5/2009 Time Completed: 12:00pm <br />Boring Diameter: 8 in <br />Elevation (ft): 244.545 Total Depth (ft): 85 <br />Logged By: Kristin Sample, PE <br />Groundwater Level: NFWE <br />Sampling Method: Grab from cuttings <br />J <br />