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`• Monitoring Well 2 <br /> project CX►evron/S E1 Dorado Owner fahevron uS A Inc Drilling Log <br /> Location 13575 S El Dorado Stockton Protect Mimber 203 1n 3289 <br /> Date Drilled e11LIM Total Depth of Hole 60 ft Diameter B 25 10 See Site Map <br /> For Boring Location � <br /> Surface Elevation Nater Level Initial 48 ft 24-hour <br /> Screen Dia 2 in Length 20 ft Slot Size 0 020 2n NOTES <br /> Casing Dia 2 in Length 40 ft Type PVC Hole caved to 23 feet after <br /> filter Pack Materiel Lonestar 12 Sand Pack be <br /> before e <br /> ofnt couldsand bCplaced <br /> Drilling Company Sierra PacifJc Q^,lltng Drilling Method hb11ow Stem Auger <br /> Driller Erin Freuhauf Log by ,bale Robertson <br /> Geologist/Engineer Allen 8 Storm License No FG 4394 <br /> C � <br /> p V N <br /> y., n 10 <br /> -on �, .. Description <br /> n as J (Calor, Texture. Structure) <br /> W -..4 <br /> U N <br /> 0 <br /> O O <br /> 2 <br /> 4C3 C <br /> Buff brown silt (very stiff damp no odor) <br /> 0 0 <br />• 6 <br /> g o 0 <br /> Light orange brown stilt <br /> (medium stiff damp no odor) <br /> 10 ML <br /> D 11 tight brown Silt <br /> 0 0 (medium stiff damp no odor) <br /> 12 ML <br /> Orange brown very fine sandy silt <br /> (stiff damp no odor) <br /> 14 <br /> 0 0 <br /> 16 <br /> NO A <br /> ML <br /> iB 0 0 <br /> 20 L (No recovery from 20 to 25-ft logged from drill cuttings) <br /> I <br /> , <br /> i <br /> • 22 I. <br /> 24 5?4 <br /> Medium re0o,sn brawn silty fine sand <br /> 7C (medium oEnSp mOtSt no o0orl <br /> CU <br /> Page t or <br /> rn�jai+xn <br />