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TEST BORING REPORT Boring No MW-7 <br /> Project Newman Grain Elevator-Stockton,CA 1805 Harbor Street,Stockton,California File No 29626-000 <br /> Client Conti Group Sheet No 1 of 2 <br /> ' Contractor BC2 Environmental Start April 5,2004 <br /> Finish April 5,2004 <br /> Casing Sampler Barrel Drilling Equipment and Procedures Driller Enrique <br /> ' Type HSA S Rig Make&Model ATV H&A Rep 3 Miller <br /> Bit Type Cutting Head Elevation <br /> Inside Diameter(in) 4 25 3Datum <br /> Drill Mud None <br /> Hammer Weight(Ib 140 - Casing Hallow Stem Auger Location See Plan <br /> ' N 973 <br /> Hammer Fall(in) 30 Hoist/Hammer Winch Safety Hammer E 6.326.708 326 708 <br /> oE o Gravel Sand Field Test <br /> c_ E Visual-Manual Identification and Description „ 5 y v T <br /> m" N 129 <br /> 8 <br /> ' d U a L 2 p C O N C <br /> a m tY m (n (Density/consistency color GROUP NAME max particle size S v g E LT 5 } m <br /> W structure odor moisture optional descriptions geologic interpretation) 8e a 3e o e a p r a <br /> 6 of black bituminous concrete <br /> ' <br /> 05 Borehole hand augered from D 5 ft to 5 0 feet per H&A work plan <br /> i <br /> f <br /> a <br /> k <br /> I <br /> I { <br /> 5 � E <br /> r i <br /> t <br /> � I <br /> 5 SI 85 CL Stiff olive-brown lean CLAY with sand(CL) mps = 1 mm no 0 0 0 0 20 80 S H M <br /> 5 18 100 apparent Structure no odor moist,FID=2 712 7 ppm <br /> 6 -ALLUVIAL DEPOSITS- <br /> $ 10 <br /> u <br /> 1 <br /> 1 _ ______ --- -- — — ---- — <br /> � 6 S2 l3 5 � _ <br /> 8 18 150 14 0 SM Medium dense,gray to gray brown silty SAND with clay(SM) mps = 0 0 D 0 70 30 R — <br /> g 0 4 mm no apparent structure no odor wet FID=3 513 5 ppm <br /> ' 15 PLUVIAL DEPOSITS <br /> i I <br /> rA <br /> w <br /> 0 <br /> a <br /> G S3 18 5 SM Medium dense gray brown to olive gray silty SAND(SM) mps = 1 0 0 0 10 70 20 R <br /> r 7 18 200 - mm no apparent structure slight organic odor wet FID=3 013 0 ppm <br /> u° <br /> 0 <br /> l <br /> < 20 <br /> Water Level Data Sample Identification well Dia ram Summary <br /> ' Elapsed De th ft to g SPT(1 318' I D) ® Riser Pipe Overburden(lin ft) 35 <br /> Date Time Bottom Bottom ® Screen <br /> j <br /> Time(hr of Casin Water CA Cal (2 318 I D) 0 Filter Sand Rock Cared (lin ft) <br /> MC Cal Mod (1 718 ID) <br /> Cuttings Samples <br /> 415104 1430 15 335 35 146 P 6-5 <br /> ED Grout <br /> ' N U Undisturbed Sample © Concrete <br /> Boring NO <br /> G Geoprobe MW-'7 <br /> ® Bentonite Seal <br /> Field Tests Dilatancy R-Rapid S-Slow N None Plasticity N-Nonplastic L-Low M-Medium H-High <br /> mW. M-Mgclium. H-High QU Stirprigth. N N w M-M i H-Hi h -V Hi <br /> r SPT=Sam ler blows r 6 in Maximum article size mm is determined b direct observation within the limitations of sampler size in millimeters <br /> Note Soil Identification based on visual-manual methods of the USCS as racticed by Haley&Aldrich Inr. <br /> ' * Indicates the use of a 3"sampler and 300 lb hammer <br />