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0 <br />70 <br />06 /29 /1996 htnioo-re 3 1 01 <br />9 <br />7 <br />Drilling Log <br />Monitoring Well MW-1 <br />See Site mop <br />For Borns; Location <br />COMMENTS <br />Description <br />(Color. Texture. Structure) <br />Trace < 10%, Lime 10% to 20%, some 20% to 35%. And 35% to 50% <br />Si 0 X <br />0 uSCS Class Top soil over sandy silty CLAY (20,40,40) dark brown, damp, no <br />hydrocarbon odor <br />Gravelly (up to 4 mm) clayey SILT (20,35,45) light gray grades to <br />sandy silty CLAY (20,30,50) moist, soft, hydrocarbon odor <br />Static Water, 05/02/95 <br />Silty CLAY (30 70) brown damp to moist still, no hydrocarbon <br />odor <br />Encountered Water 05/02/95 (drillers call) <br />Sandy clayey SILT (15 40 45) light brown wet soft no <br />hydrocarbon odor <br />Sand\ silty CL/,Y (1040 501 brown damp to moist no hydroca•Dor, <br />oco. <br />Eric o :;or.ng InstalleC monitoring well flow Count/ C:11 1 <br />0.0 <br />SI <br />0 <br />U, X Recovery -2- <br />0-, <br />Os <br />Proiect Chevron - Tracy. Grant Line Owner Chevron USA Products Comoany <br />Location 575 Grant Line Road, Tracy, CA Proi. NO 02070 0138 <br />Surface Eiev. Total Hole Depth 215 f 1 Diameter 8 in <br />Top of Casing Water Level Initial 12..II Static 667 It <br />Screen. Die 2 sf1 Length /5 ft Type/Size Sch 40 PVC/0020 in <br />Casing' Die 2 In Length 5 ft Type Sch 40 PVC <br />FM Material 03 Sand Rig/Core CME-55 DOwnhole/Salt Spoon <br />Drill Co SES, Inc Method Hollow Stem Auger/PIO <br />Driller Tyke Van Zandt Log By Brian McAloon Date 05/02/95 <br />Checked By Ed Simonis License No RG04422 <br />- 10 - <br />- 12 - <br />14 - <br />16 - <br />18 - <br />2 - <br />4 - <br />- 6 - <br />- 8 - <br />77- <br />I <br />-2,5 <br />4 i <br />MW-1 6 <br />-60 7 <br />-6 5 <br />CL <br />ML <br />CL <br />Permit # 005901 <br />TECHNOLOGY <br />GROUNDWATER