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0 <br /> SOIL BORING/WELL CONSTRUCTION LOG Boring No. MW-8 Sheet: 1 of 6 <br /> Client Arm 443 Date December 2 2008 completed February 11 2009 <br /> Address 2478 East Oak Street Drilling Co. Woodward Drilling rig type' BK-81 <br /> Stockton,CA Driller Dave Van Steyn <br /> Project No. E443-01 Method Hollow Stem Auger Hole Diameter 18/10 inches _ <br /> Logged By: Allan Dudding,Scott Bitbnger Sampler' 18 or 24 inch long x 2 Inch diameter split spoon <br /> Well Pack sand: 97 ft.to 117 R. Well Construction Casing Material: Schedule 40 PVC Screen Interval: 103 to 113 ft <br /> bent.: 92 ft.to 97 ft. Diam <br /> Casing eter:2 in. Screen Slot Size: 0.020-in. <br /> grout: 0 ft.to 92 ft. Depth to GW: first encountered:55 feet bas -Static: <br /> Sample Blow. S=Dle Well Depth Lirholoek PID <br /> I <br /> T No. Count Ti.. woos. Details Scale column Descriptions of Materials and Conditionspphl <br /> _ Asphalt pavement at surface,borehole cleared to 5 feet bgs with airknife. <br /> __.___________..._._..__.__.._________..__.._...----.-__.--_.___--. _____________.__.. <br /> _ CL Silty Clay,some gravel and sand,CL,very dark brown(10YR 2/2),medium <br /> ___________________ _________-------------- —2 plasticity,moist,60%clay,20%silt,20%fine to coarse gravel and sand. <br /> _ -..-----____-_.-----_------- __.______________.__.________ -------- <br /> _ _ Easily broken with airknAe(fill). <br /> ______________-_ -----_ _._.-_._______ 3 <br /> _____________ ________ _______-------- —4 <br /> --_.._-------...___-_--___-------- <br /> p _ At 4 feet bgs,Silty Clay,CL,es above,no coarse sediments.Hard to breakup <br /> _____----------.------------- _______________• 5 with airknife.(native soil) <br /> ____________________________________________.-_.___-_-----._____-____.___----_.____-________--.0___ <br /> 7 As above,very stlft. , <br /> SMW-8-5 10 0842 50% 6 <br /> ____________________ -------------.---------------------------------_---------------------------------------------------- <br /> .._ <br /> 14 <br /> ------------------- -------------------------- 7 <br /> ------------------ ------------–--------- a /� i <br /> __--------__--_.-.---__--------_-.-_--__-_--------------_-___--_--____-_--_.__ <br /> 1 9 i <br /> -------- <br /> ---------------------------------------_______ 10 <br /> _ ___________ ____.__---- yello -_-_---._____.______________.----.__---.._._---_.-_--------0 <br /> ---S_ MW-8-10 21 0845 500/ ,, 11 hard. 80%silt,20%clay. <br /> ____________ _23`_ _.__._.__._.___ .-------------.--------------_-----------------------------_---------------.------------------------------____ <br /> i <br /> -__.-._--_ _.____ __-__.-------- = _12 <br /> --------------------------------- —13 <br /> ______________------------------__---- 15 <br /> 6 --------------__._-.---------------------------------------_--- <br /> ________________ 7_ _______.___ 16 Sill_ML:dark yellowish brown(10YR 4/4),non-plastic,moist,stiff.100%silt. 0 <br /> S MW-8-16 7 0849 100% <br /> ------------------------------------------------------_-------------------------- <br /> ------ ___._..____ _______ —17 <br /> ------------.__--________--_------_----------.----------._._--__-------------------------------- I <br /> ..___ 18 I <br /> -------- <br /> ------ ---_--------- ____--.-_____--- - _19 <br /> 1 <br /> —20 <br /> Inner Wall of 18"HSA string <br /> Steel Conductor Casing Comments:Color description based on Munsell Soil Color chart. Baring logged by <br /> Well Casing Allan Dudding from 0 to 100 feet bgs on December 2,2008. <br /> Recovery <br /> Sample <br /> Sy�ONA! <br /> f <br /> sr,��r�is <br /> ep en J.Carter <br /> ENVIRONMENTAL, INC. <br /> ?- <br /> No. 5577 <br /> ��9�FOF CA1-�����, <br />