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<br />Drilling Log <br /> <br />DDLW G ROUNDWATER LJ TECHNOLOGY <br />Monitoring Well MW-2 <br /> <br />Pr 0 }eC t Chevron - Tracy, Brant tine owner Chevron USA Products Company See Site Hap <br />For Boring Location <br />Location 575 Grant Line Road, Tracy, CA Prol. No 02070 0138 <br />Surface Elev Total Hole Depth 215 ft Diameter B in _ COMMENTS <br />Top of Casing Water Level Initial 12 11 Static 6 88 ft ____ <br />Screen* Dia 2 in Length 15 f1 Type/Size Scn 40 PVC/0 020 in <br />Casing Dia 2-L,,— Length 5 ft Type Scn 40 PVC <br />FM Material 03 Sand Rig/Core CME-55 pownhole/Soirt S000n _ <br />DM Co SES, Inc Method Hot/Ow Stem Auger/PIO <br />Driller Tyke Van Zandt Log By Brian McAloon Date 05/02/95 permit 1 005907 <br />Checked By Ed Simonis License No RG04422 Depth ( It ) 1 I Well 1 Completionl 1 rzli — a <br />, <br /> Semple ID Blow Count/ x Recovery 0 <br />.c 0 a 0 <br />6- IUSCS Clessi Description \ <br />(Color, Texture, Structure) <br />Trace <10%. Little IOW to 20%. Some 20% to 35%. Arlo 35% to 50% <br />--2 <br />.. <br />. <br />p <br />. <br />' <br />- 10 <br />- 12 <br />, <br />- 14 <br />-16 <br />-18 <br />- 20 <br />Ii <br />200 <br />BO <br />6 <br />5 <br />70 <br />14 <br />6 <br />Mw-2 <br />7 -65 <br />9 <br />ii <br /> <br />MW -2 18 <br />-11 5 <br />7 <br /> <br />14 04 - 2 115° <br />-155 <br />12 <br />14 <br /> <br />h-2 151 <br />I <br />I <br />1 <br />I <br />— <br />O'. <br />J— <br />CL <br />CL <br />CL <br />Top soil over gravelly silty CLAY (5.45,50) black, damp, <br />hydrocarbon odor <br />Sandy silty CLAY (10,30.60) brown, grading to silty CLAY (30,70) <br />gray, dry to damp, soft, plastic, hydrocarbon odor <br />! Static Water, 05/02/95 <br />Sandy silty CLAY (10 20 70) light brown with light gray root casts <br />damp to moist stilt slight hydrocarbon odor <br />7 Encountered Water, 05/02/95 (drillers call) <br />(grades cumbly no hydrocarbon odor) <br />Si v CLAY (25 75) brown moist to wet stilt slight hydrocarbon <br />00 Of <br />- 22 — <br />- <br />- 24 — <br />-215 <br />i <br />EnC 01 IDOrIng Installed monitoring well <br />06 /2 9 /1995 mroo9-ma,93 <br /> Page 1 of 1