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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Sparge Well: OS-7 <br /> 1 <br /> 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: 17.5' <br /> Depth of Water First Encountered: 6.5' <br /> Well Screen Type and Diameter. NA <br /> t <br /> Static Depth of Water in Well: NA Well Screen Slot Size: NA <br /> Total Depth of Boring: 17.5' Type and Size of Soil Sampler: 2.0" I.D. Macro Core Sampler <br /> SOIL/ROCK SAMPLE DATA <br /> LL cQ) DESCRIPTION OF LITHOLOGY <br /> ° C: E U_ <br /> BORING' co o Q standard classification, texture relative moisture, <br /> DETAIL v Z U <br /> CL a w <br /> C 0 o j ro a o density, stiffness, odor-staining, USCS designation. <br /> Fn O , <br /> 0 Street Box 0 Asphalt <br /> Tubing to Panel sssss Clayey SILT (ML); dark gray; moist; mediums tiff; 75% <br /> h k . S„Yafi, fi, t, s <br /> •f 4i\ '.'.' Portland Cement fi, fi, fi, s, s silt; 20% clay; 5% fine sand; trace gravel to 0.5" ' <br /> ,'.'. '''•' sss�ss <br /> diameter; low lasticit • ver low estimated K; <br /> •'.'• plasticity; y <br /> 1f\!1 fxFy/ N srssr, fi moderate hydrocarbon odor <br /> CC "MX <br /> y',fy - % � " <br /> L) <br /> > SY YSYfi <br /> .f.�. Jtif�f � d fi.-6fi.6�firtfi <br /> •�.�. �'�'f O .X firafi. <br /> taPat.ds Wet at 6.5' <br /> ca <br /> ti C S�SSS <br /> N <br /> m m S.4S.FfifiS <br /> .'.r. •�rtir ❑ fi.�$s$�fi.�s 1 <br /> —10 .11,f. fidfi6fisfidt 10 <br /> l <br /> d ,�fi,�S i <br /> �Fx�k ��f�� fid.dfi.6fi <br /> srtrs yellow-brown; wet; 70% silt; 20% clay; 10% fine sand; <br /> s� <br /> • • , • • firs�'ss <br /> •,�,� ,•��, m y y y x medium plasticity <br /> � �=cfirsS,�t afi <br /> Q1 rdfirSfi�firdfi r <br /> 6fi.�S.�fii-�6S <br /> LL fi+-4fidfidfii6$' <br /> 15 15 <br /> c Silty SAND (SP); brown; wet; medium dense; 90% fine to <br /> o camedium sand; 10% silt; non-plastic; high estimated K; no <br /> U odor <br /> � <br /> m at 15.5-feet 60% fine sand: 35% fine sand; 5% clay <br /> cn End of Boring at 17.5 feet <br /> E 200 20 i <br /> co t <br /> X <br /> N <br /> I 25 25 <br /> 30 30 <br /> f I <br /> I <br />