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SOIL BORINGANELL CONSTRUCTION LOG Boring No. MW-1D Sheet: 3 of 5 <br /> I <br /> Client Arco 2186 Date Aril 24 and 27 2009 <br /> i <br /> Address 3212 N.California Street Drilling Co. Woodward Drilling rig e: SK-81 I <br /> Stockton,CA Driller Amador Arroyo <br /> — i <br /> Project No. E2186-01 Method Hollow Stem Au er Hole Diameter: 15 and 8 inches <br /> Logged By: Allan Dudding Sampler: 2"x 18"split son <br /> I <br /> Well Pack sand: 68 ft.to 85 ft. Well Construction Casina Material: Schedule 40 PVC Screen Interval: 70 to 85 ft. ! <br /> bent.: 65 ft.to 68 ft. Casing Diameter:2 in. Screen Slot Size: 0.020-in. <br /> grout: 0 ft.to 65 ft. Depth to GW: Q first encountered:50 feet b s -Static: <br /> Sample Blow Sam to Well Depth LRhologle Plo I <br /> Type No. Count Time Recon. DHai}s Scale Column DescrilqUons of Materials and Conditions PPM f <br /> 9 Silty Clay,CL,dark yellowish brown('I OYR 414),low plasticity,moist,hard. 0 <br /> 20 41 CL .60%day, ,«_«_«____»_ <br /> -- <br /> -T MWA R-41 36 <br /> 42 <br /> —44 <br /> -- --------- -------- <br /> 45 — — — --- <br /> I <br /> _16 » ' As above,color becomes olive(5Y 4/3)with 10%very dark greenish gray 0 <br /> S MW-1DA6 50/6' 1058 100% 46 (GLEY1 315G)mottling.48 <br /> ------------_ --_ — <br /> — % I <br /> 41) R <br /> 50 17 <br /> 10 <br /> _ 14 51 ML Clayey Silt,ML,dark grayish brown(2.5Y 412),low plasticity,wet,hard. 60% 0 <br /> 5 <br /> MW-1D-51 18 1107 100%- ,; silt,40%day,trace fine sand. » j <br /> 62 <br /> / <br /> -----— — —53 <br /> _54 <br /> 55 <br /> 5 � <br /> 10 _ _ 56 SM Silty Sand,SM,dark grayish brown(2.5Y 412),fine to medium grained, 0 <br /> S» <br /> MW-11)-56 20 1111 100°� dense,wet. 80%sand,20%sift.« « -- — j <br /> 57 <br /> e / <br /> -- — -- --- — - - 58 , <br /> - - -- —59 <br /> 'fi0 CL j <br /> Steel Conductor Casing Comments: <br /> Well Casing <br /> Recovery— <br /> Sample— <br /> ENVIRONMENTAL- <br /> ecoverySampleENVIRONMENTAL„ INC. <br /> i <br />