ARCHIVED REPORTS_2010_5 - Laserfiche WebLink

Home Browse Search

Vector Engineering, Inc. 143E Spring Hill Drive Grass Valley, CA 95945 Telephone: 530-272-2448 Fax: 530-272-8533 NUMBER:WELL ti • Project: LFG Monitoring Well Installation Remarks: Client: San Joaquin County Location: Foothill Sanitary Landfill 6484 North Waverly Road, Linden, CA rn co cMaterial Description Well Diagram o m C7 ML SANDY SILT (ML) strong brown (7.5YR 4/6), dry, Cement approximately 70 % low plastic fines, 30 % fine- to 5 medium -grained sand, pieces of moderately cemented sand 5 Bentonite -5ft: 50 % fines, 25 % sand, 25 % gravel (subrounded, up to 3 10 in.), some cobbles, pieces of cemented sand 10 Gravel --- o ---------------------------------- SILTY GRAVEL AND COBBLES (GM) _ filter pack �— �--------------------------------� SANDY SILT WITH GRAVEL (ML) brown (10YR 4/3), moist, Bentonite 15 ------ML U o approximately 50 % low plastic fines, 40 % fine- to - 15 _GP — 4 �\coarse-grained sand, 10 % gravel (subrounded, up to 2 in.) j �— 20 SM — P_ OOR_L_Y_GR_A_DE_D_G_R_A_V_EL (GP) A_N_D_C_O_BBLE_S_ _ _ _ _i 20 .. GM _ �o _ ` SILTY SAND WITH GRAVEL(SM) brown (10YR 4/3), moist approximately 30 % low plasticity fines, 40 % fine- to 25 0 \coarse-_grained_san_d, 30 % gravel (subrounded, up to 3 in.) i 25 o LT SIY GRAVEL WITH SAND (GM) brown (10YR 4/3) moist, 30 _ _ _ approximately 40 % gravel (subrounded, up to 2.5 in.), 35 % 30 SC fine- to coarse-grained sand, 25 % low plastic fines, some cobbles 35 ------------------------------- CLAYEY SAND (SC) dark yellowish brown (10YR 3/4), 35 moist, approximately 30 % medium plasticity fines, 60 % fine - 40_____ to coarse-grained sand (mostly fine), 10 % gravel (subrounded, Gravel CL--------------------------------J \ up to 1 in.) 40 filter ack p SANDY CLAY (CL) dark yellowish brown (10YR 3/4), moist, 45 approximately 50 % medium plasticity fines, 50 % fine-grained 45 sand -48ft: same, except more fines, approximately 60 % fines, 40 % 50 sand 50 -52ft: same, except more fines, approximately 70 % fines, 30 % 55 sand 55-- 60-- 60 65 65 Bentonite 70 70 75 75-- 80— s0 -81 ft: same, except dark brown (10YR 3/3) Drilling Company: PC Exploration Date Started: 8/11/2009 Time Started: 3:OOpm Drilling Method: Hollow Stem Auger Date Completed: 8/13/2009 Time Completed: 1:50pm Boring Diameter: 8 inch Elevation (ft): 280.924 Total Depth (ft): 120 Logged By: Kristin Sample, PE Groundwater Level: NFWE Sampling Method: Grab from cuttings