Laserfiche WebLink
Drilling Log <br /> GROUNDWATER Monitoring Well MW-13 <br /> TECHNOLOGY <br /> PrDlect Chevron - Stockton owner Chevron U S,4 Products Co See Site Map <br /> 45 East Harding wev 02070 3399 06/30/93 For Boring Location <br /> Location Project No Date drilled <br /> ' Surface Elev Total Hole Depth 65 ft Diameter 71n ft COMMENTS <br /> Top Of Casing Water Level Initial 55 ft Static <br /> Screen Dia 21n Length 25 ft Type/Size 0 020 in <br /> ' Casing Dia 2 1n Length 40 ft Type Sched 40 PVC <br /> Filter Pack Material A3 Sand Rig/Core Type 547 Split spoon <br /> Drilling Company Soils Ex Services Method Hollow stem auger Permit 0 <br /> Driller Mrke Duffy Log By R01 Hertato <br /> Checked By Ed S1monls License No RG 4422 EHARMW13/dsb <br /> c <br /> T N <br /> 0 _ „y C tl! <br /> a` Q e l, oo Description <br /> a Qo <br /> p" E °p' E s u �� (Color, Texture, Structure) <br /> NmK (n Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> _2 <br /> ' O <br /> Asp 10 inches of asphalt over gravelly sand backfill <br /> Gw <br /> 2 < c Dark gray fat CLAY 80% clay, 20% silt, trace fine sand <br /> < c c� (slightly moist, very stiff, medium plasticity no hydrocarbon <br /> odor) <br /> 4 ` <br /> ' s3-5 <br /> c < 0 a Yellow brown silty SAND 60% fine sand, 40°' silt, trace mica <br /> 6 c 1s (slightly moist to dry, very dense, friable, no hydrocarbon <br /> 1e SM odor) <br /> Mw- <br /> ' 10 < < 13_10 Yellow brown mottled with white sandy SILT 50% silt 30ro fine <br /> 0 s sand 20,% clay, trace medium sand, trace caliche veins <br /> c 11 (slightly moist to dry, low plasticity, brittle, no <br /> 12 hydrocarbon odor) <br /> It 11 <br /> ' 12 c c <br /> < c <br /> 14 < c ML <br /> qr MW- <br /> < c 13-15 <br /> 0 1 s (Grades yellow orange clayey SILT 65% silt 30% sclay, 5'/G' fine <br /> is sand trace mica) <br /> 5 <br /> i <br /> < < � <br /> 20 < < it 0 1 113-2 s � Yellow brown SAND 91" fine sand 5% silt trace mica (slightly <br /> < c sr morst medium Dense friable no hydrocarbon odor) <br /> �5 <br /> 22 < c i 5titi (G,aaes with gravel 60% fine sand 204' medium sand 10% coarse <br /> sand 10% fine subangular gravel) <br /> 24 - <br /> 08/30/1993 fithtog-marG2 <br /> 4 08/30/1883ithiog-marg2 Page } of 3 <br />