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' For Historical Pipeline Porfolio-Bakersfield to Richmond OTHERSYMBOLS <br /> projects,SAIC describes soils in general accordance <br /> with the Unified Soil Classification System(USCS)based Asphalt <br /> on visual-manual procedures presented in ASTM D2488. <br /> Where laboratory data are available,soil classifications :'+++ Topsoil <br /> are in accordance with ASTM D2487. Elements of the <br /> I USCS and other definitions are provided on this and the Native slough <br /> following page. 4 Water level at dmeofdrilling <br /> MOISTURECONTENT 1 static water level(date) <br /> ' Dry Absence of moisture,dusty,dry to the <br /> touch <br /> Moist Damp but no visible water <br /> Wet Visible free water,saturated,usually <br /> ' soil is below water table ABBREVIATIONS <br /> ATD At Time of Drilling <br /> RELATIVE DENSITY/CONSISTENCY HSA Hollow Stem Auger <br /> ID Inside Diameter <br /> SAND AND GRAVEL SILT AND CLAY <br /> NA Not Available or Not Applicable <br /> BLOWS/ RELATIVE BLOWS/ RELATIVE <br /> FOOT• DENSITY FOOT' CONSISTENCY OD Outside Diameter <br /> OA Very loose 0.2 Very soft OVA Organic Vapor Analyzer <br /> 4-10 Loose 2-4 Soft PID Photo-Ionization Detector <br /> 10-30 Medium dense 4-8 Finn <br /> 1 30-50 Dense 8-15 Stiff PPM Pa Per Million <br /> Over 50 Very Dense 15-30 Very Stiff PVC Polyvinyl Chloride <br /> Over 30 Hard SPr Standard Penetration Test <br /> ' SAMPLE SYMBOLS <br /> mHA Hand auger <br /> SS Apr knife <br /> 55 Split spoon Notes: <br /> DP Direct push <br /> • Number of blows of 1401b.hammer falling 30 inches to <br /> ' ® SA Soil Analytical drive a 2 inch OD split-barrel sampler the last 12 inches of <br /> GG Grab groundwater Analytical an 18-inch drive(ASTM 1586 Standard Penetration Test). <br /> Solid lines between soil descriptions indicate known con- <br /> tact. Dashed lines between soil descriptions indicate <br /> inferred contact. <br /> COMPLETION SYMBOLS <br /> 1 <br /> E9 Concrete <br /> ® Bentonitegrout <br /> EmCement/bentonite grout <br /> ' ® Neatcementgmut <br /> ® Bentonitechips <br /> El Silica sand LEGEND <br /> ® Well casing <br /> KEY TO LOGS AND SOIL <br /> LEU Well screen CLASSIFICATION <br /> Flush monument <br /> DATE 5/24/2006 I ANALYST:Olesone FIGURE: <br /> ' TI7'-Ilf Stick-up monument — <br /> mThreadedendcap =s . <br /> �ri.S.. B-1 <br /> F ms�;e�re,oso,�f,4115 <br /> SHEET IOF1 <br />