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Total Hole Depth 215 ft <br />Water Level Irdtial 12 ft <br />Length 6 ft <br />Length 5 ft <br />Diameter 8 In <br />Static 6 50 ft <br />Type/Size Sch 40 PVC/0020 in <br />Type Sch 40 PVC <br />Rig/Core CAIE-55 Cownhole4Pill PPM" <br />rw4; <br />ii <br /> <br />6 <br />1.1 USCS CISIS S I. <br />4 <br />MW-4 5 <br />-60 8 <br />8 <br />10 <br />MW-4 12 <br />115 <br />MW-4 <br />215 <br />8 <br />11 <br />14 I -2- <br />-0- <br />2- <br />4- <br />-6- <br />-8-- <br />10- <br />- <br />-16- <br />18 - <br />- <br />20-- <br />Project Chevron - Tracy, Grant Line <br />Location 575 Grant Line Road, Tracy, CA <br />Drilling Log <br />Owner Chevron LISA Products Company <br />Monitoring Well MW-4 F113 GROUNDWATER <br /> J TECHNOLOGY <br />Prol. No 0.?070 0138 <br />See Site Map <br />For Boring Location <br />Surface Elev <br />Top of Casing <br />Screen. Die 232._ <br />Casing* Dia LC <br />Fil1Material 0 3 Sand <br />COMMENTS <br />Dm co. srs, Inc method Hollow Stem Auoer/PID <br />Driller Tyke Van 2andt <br />Checked By Ed Simonis <br />Log By Brian McAloon Date 05 /02 /88 permit # 005901 <br /> <br />AG #4422 License No <br /> <br />I <br />7 <br />.c.-. <br />ST: I)._, <br />0 <br />30 <br />140 <br />60 <br />20 <br />5 <br />..0 <br />22-- 3 <br />24 — <br />06/29/1995 1,1h10 9 -r e' 93 <br />01 <br />a.• a <br />Description <br />(Color, Texture, Structure) <br />Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br />Top soil over sandy silty CLAY (10,40,50) very dark gray, damp, <br />hydrocarbon odor <br />Silty CLAY (50,50) gray, moist soft, hydrocarbon odor <br />Static water, 05/02/95 <br />Sandy silty CLAY (10,40,50) light brown, moist to wet, still, no <br />hydrocarbon Odor <br />Encountered Water 05/02/95 (drillers can) <br />Sandy silty CLAY (20 40 40) brown dry to demo stilt, crumbly, no <br />hydrocarbon Odor <br />Silty CL 411 (10 90) with lenses 01 sandy clayey SILT (15 40 45) <br />clarnP to moist no hydrocarbon odor <br />End ol poring Installed monitoring well <br />Paoe 1 of 1