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1 <br /> Environmental BORING LOG AND <br /> Science & WELL COMPLETION SUMMARY MW-4 <br /> Pr Engineenng, Inc. <br /> ELL COMPLETION Project Name AT 8 T Protect No 8-92-50DS <br /> Location J110 W Turner Rd <br />' Completion Depth lodl,California Page 1 of 2 <br /> SIzefType From To <br /> Casing 4'Dlam PVC SCh 40 01425 27 5/44 5 <br /> Screen 4"Dlam Slotted D 02' 275 426 DrIller Soils Exploration Services,Inc Dates <br /> Filter#3 Monterey Sand 26 445 Method Hollow Stem Auger CME 75 Start 5-20-93 <br />' Seal Bentonite pellets,hydrated 23 26 Hole Diameter 10 In o D Total Depth 44 5 Feet Finish 5-20-93 <br /> Cement Grout 0 23 Ret Elevations <br /> Well Cap or Box Logged By Kerry Lefever <br /> Graphic Log Remarks <br />' i5 Lithologic Description N <br /> CL $'npl l RFwlogy WsA InstaRat�on 7 Water dri5ng/aortptotan wsrrnesy,sanple type <br /> O Blows <br /> D <br /> Hand auger to Feet 1045 <br /> �11J"el at surface <br /> SILTY SAND medium to dark brown fine to medium <br /> grained,well graded,loose,slightly moist earthy odor ---- <br />' SM _.___- <br /> 5 As above 2 ____ 20 Sample @ 5 Feet 11 00 <br />' 2 ----- Hnu downhole-0 <br />' SILTY SAND some clay,light grey to brown,low plasticity, <br /> 10 dense,slightly moist r28 <br /> --=-- 24 Sample a 10 Feet 11----^ <br /> s <br /> NATIVE <br /> 15 SAND,reddish brown to dark brown,fine grained,well SW 10 24 Sample @ 15 Feet 11:30 <br /> graded,slightly molst,no odor 1 i <br /> 13 <br />' SAND,trace gravel,reddish brown to brown fine to medium <br /> grained,medium dense,slightly moist <br /> SAND,Increasing day <br /> 20 CLAYEY SAND,Iight grey to brown,fine to medium grained, 7 24 Sample a 20 Feet 11 A5 <br /> some ra0che,mottling 26 Hnu downhole-0 <br /> SC 27 Cemented dry noddles in soll cuttings <br /> 25 CLAYEY SAND,medium to dark brown,fine to medium 13 22 Sample @ 25 Feet 1200 <br />' grained dense 15 <br /> 2B <br /> 3� <br /> •es Y <br /> 1 n' <br /> 30 SAND,medium to dark brown,some day fine to medlum SP 22 Sample 0 30 Feet 1¢�0 <br /> grained.dense4. 13 <br /> 21 <br /> 29 4 <br /> 35 SILTY CLAY,light grey to brown low plasticity some <br /> v <br /> mottling moist CL <br /> saw <br />