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HEW, <br /> Drilling Log GROUNDWATER Monitoring Well MW-5 <br /> TECHNOLOGY <br /> Project C11ev,on-Trac%, Owner Chevron USA Pr00UC#5 Comoanv See Site Map <br /> For Boring Location <br /> Location 103 west Elerenth St Tracv Ca Prot No 02070 0055 <br /> Surface Eiev Total Hole Depth 215 N Diameter 8 in COMMENTS <br /> Top of Casing water Level Initial 12 ft Static <br /> Screen Die 2 In Length 15 tt Type/Size 0 020 in <br /> Casing Dia 2 +n Length 5 tt Type SCh 40 PVC <br /> Fill Material 03 Sand Rig/Core .CME-75�S211f S000n <br /> Drill Co SES Inc Method Hollow Stem AugerlPID <br /> Driller Mike Duffv Log By Bruce Beale Date 03/20/. 5 Permit 0 <br /> Checked By Ed S+monrs License No RG#4422 Z.4 <br /> CQ \ T q <br /> _ <br /> —� pEy 'o o D Cy <br /> a_ X n a s a u ion (Color, Texture, Structure) <br /> d EEE to u <br /> 0 N o x us Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br /> —2 <br /> 0 Silty sandy CLAY (20,20,60) dark brown, moist, no hydrocarbon <br /> odor <br /> 2 scla <br /> 4 <br /> Mw-5 Sandy silty CLAY (20,20,60) brown, very most to wet, plastic, no <br /> 0 _5 i ' hydrocarbon odor <br /> 6 <br /> CL <br /> a = <br /> ,O = Mw-5 <br /> o -10 2 <br /> = 3 Sandy silty CLAY (10,30,60) tan-green, wet, plastic, no <br /> 4 hydrocarbon odor <br /> 12 — CL Encountered water, 03/20/35, 1145 hrs <br /> 14 =_ <br /> Mw-5 <br /> 0 -15 (grades 5 20 75) <br /> 1s = z <br /> 1s = CL <br /> (grades silty CLAY 10,90) <br /> I <br /> 20 = 0 --2020 <br /> i <br /> I <br /> 22 End of boring Installed groundwater monitoring well <br /> 24 <br /> 04/28119g5 11tnioo-marg3 page I o` <br />