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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS rSparge Well: OS-8 <br /> s Project Name:Singh's Unocal Project Location: 574 West Grant Line Rd, Tracy, CA Page 1 of 1 <br /> Driller: Gregg Drilling, Martinez, CA Type of Rig: Hollow-Stem Auger Size of Drill: 5.0" Diameter <br /> Logged By: Erik H. Paddleford Date Drilled: July 2, 2002 Checked By: Robert E. Kitay, R.G. <br /> WATER AND WELL DATA Total Depth of Well Completed. 17.0' ' <br /> Depth of Water First Encountered: 6.5' <br /> Well Screen Type and Diameter: NA <br /> Static Depth of Water in Well: NA Well Screen Slot Size: NA <br /> i <br /> Total Depth of Boring: 17.0' Type and Size of Soil Sampler: 2.0" I.D. Macro Core Sampler <br /> SOIUROCK SAMPLE DATA <br /> u_ o DESCRIPTION OF LITNOLOGY <br /> C E m <br /> r BORING .a o a r E standard classification, texture, relative moisture, <br /> DETAIL v Z U -- Q 0) <br /> o fn _ Q density, odor-stainingUSCS desi nation. <br /> - oI <br /> 0 Street Box 0 Asphalt <br /> Tubing to Panel fi, S vyS Clayey SILT (ML); dark gray; moist; medium stiff; 60% <br /> ti � ti k w fi,�S,dS,dS,�t <br /> Portland Cement fi, fifi ss silt; 40% clay; trace gravel to 0.5" diameter; low <br /> s, fi fi�fi, fi plasticity•' very low estimated K; strong hydrocarbon <br /> �r�r4 r,ryr '�.dfiydfidfiFfi <br /> �r`r4 ryr�r y SXS�fi, S,dfi odor , <br /> `r`r` r`r`r (� dfidfi.d'�.sS Tj <br /> �rtrt r*rrr � s fi fi fi s , <br /> 1 SYSyfiyfiyfi . <br /> 0 PA_ wet at 6.5' <br /> fiyfiyfiyfiyt I <br /> � <br /> r r rrr (] SYSyfiyfi>rfi <br /> *r�r� <br /> —10 r`r�r fi.Sfi.6fi.�dfiydt a <br /> •r yr• rxr�r y6SYfifi 0 <br /> 4r4r• •,rrr C? 4�S,YSYfi,�fi <br /> ,rlrx rYrtir sdfidfidfi,.Yd� . <br /> `rkr` r`r�r ,� fifisfi yellow-brown; wet; 70% silt; 20% clay; 10% fine sand; <br /> r r rrr U fiy9ymyt>ll <br /> � �. mediumlasticit <br /> 0. fi.�sfi.�csafiryafi P Y } <br /> S�S�yfi,�fi,�fi <br /> N fiyfiyfiyfiyfi <br /> s�fi�s figs <br /> 15 <br /> c 1 5 Silty SAND (SP); brown; wet; medium dense; 70% fine to <br /> cn medium sand; 30% silt; non-plastic; high estimated K; no <br /> L U odor <br /> E' End of Boring at 17 feet <br /> c <br /> CL <br /> U) <br /> 20 0 20 <br /> cq � <br /> x ; <br /> 25 25 <br /> i <br /> i <br /> L i <br /> 30 30 <br />