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For Historical Pipeline Porfolio-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 Top soil <br /> are in accordance with ASTM D2487. Elements of the <br /> USCS and other definitions are provided on this and the Native slough <br /> following page. SZ water level at time of drilling <br /> MOISTURE CONTENT = 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 Hallow Stem Auger <br /> SAND AND GRAVEL SILT AND CLAY ID Inside Diameter <br /> NA Not Available or Not Applicable <br /> ' BLOWS/ RELATIVE BLOWS/ RELATIVE <br /> FOOT' DENSITY FOOT" CONSISTENCY OD Outside Diameter <br /> 0-4 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 Firm <br /> 30 56 Dense 8-15 Stiff PPM Parts Per Million <br /> Over 50 Very Dense 15-30 Very Stiff PVC Polyvinyl Chloride <br /> Over 30 Hard SPT Standard Penetration Test <br /> SAMPLE SYMBOLS <br /> mHA Hand auger <br /> 1 AK Air knife <br /> ® 5S 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 1 B-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 /> Concrete <br /> ElBentonite grout <br /> ElCement/bentonite grout <br /> ® Neat cement grout <br /> ® Bentonite chips <br /> Silica sand LEGEND <br /> ® well casing <br /> KEY TO LOGS AND SOIL <br /> Well screen CLASSIFICATION <br /> Flush monument <br /> DATE: 5124!2006 1 ANALYST;Olesone FIGURE: <br /> ' m Stick-up monument — <br /> Threaded end cap <br /> :[.. B-1 <br /> r,an Sc+eRce ro sar�uons <br /> SHEET 1 OF 2 <br />