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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 ED 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 Z 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 /> BLOWS/ RELATIVE BLOWS/ RELATIVE NA Not Available or Not Applicable <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 /> 30-50 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 /> 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 /> El <br /> Concrete <br /> ® Bentonite grout <br /> EDCement/bentonite grout <br /> ® Neat cement grout <br /> ® Bentonite chips <br /> Silica sand LEGEND <br /> ® Well casing <br /> Well screen KEY TO LOGS AND SOIL <br /> CLASSIFICATION <br /> Flush monument <br /> II DATE: 5/24/200 ANALYST:Olesone FIGURE: <br /> Stick-up monument <br /> m Threaded end cap <br /> _29==- == C-1 <br /> ,../MA`® <br /> From Science to Solutions SHEET 1 OF 2 <br />