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1 <br /> For Historical Pipeline Portfolio-Bakersfield to Richmond OTHER SYMBOLS <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 E'd+ Top soil <br /> are in accordance with ASTM D2487. Elements of the Native slough <br /> USCS and other definitions are provided on this and the <br /> following page. SZ Water level at time of drilling <br /> ' MOISTURE CONTENT t 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 /> ' ATO Al 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 i <br /> BLOWS/ RELATIVE BLOWS/ RELATIVE <br /> FOOTDENSITY FOOT' CONSISTENCY OD Outside Diameter <br /> 0-4 Very loose 0-2 Very soft OVA Organic Vapor Analyzer <br /> 4-10 Loose 2-4 Sok <br /> PID Photo-Ionization Detector <br /> 10-30 Medium dense 4-8 Firm <br /> 3PPM Parts Per Million <br /> 0-50 Dense 8-15 Stiff <br /> ' Over 50 Very Dense 15-30 Very Stiff PVC Polyvinyl Chloride <br /> Over 30 Hard SPT Standard Penetration Test <br /> ' SAMPLE SYMBOLS <br /> EE HA Hand auger <br /> ' AK Air knife <br /> ® SS Split spoon Notes: <br /> DP Direct push <br /> Number of blows of a 140 Ib.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 /> EZConcrete <br /> ' ® Bentonite grout <br /> RECement/bentonite grout <br /> ' ® Neat cement grout <br /> ® Bentonite chips LEGEND <br /> ED Silica sand <br /> ® Well casing <br /> 17-177" Well screen KEY TO LOGS AND SOIL <br /> Lizu CLASSIFICATION <br /> .� Flush monument <br /> DATE: 5,24/2001 ANALYST:Olewne FIGURE: <br /> ' m Stick-up monument — — _— <br /> Threaded end cap T2 <br /> 92 <br /> 11I' <br /> ' From Science to SolutionsSHEET 1 F z <br />