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LD\LEGEND TO LOGS <br /> `y.., SAMPLER TYPES: <br /> ' Thin-walled Tube or Ring Shelby Tube ® Disturbed Bulk <br /> Standard Penetration a Unsuccessful Attempt <br /> i <br /> BLOW COUNT: The number of hammer blows required to drive the sampler the last 12 inches, unless otherwise noted. To avoid <br /> damage to sampling tools,driving is limited to 50 blows during or after initial seating of sampler. <br /> I <br /> j <br /> Symbol Hammer Weight Drop Height Hammer Type Notes <br /> (pounds) (inches) <br /> 7 140 30 Safety <br /> (3) <br /> I91 <br /> <4> <br /> RELATIVE DENSITY FOR SOILS: CONSISTENCY FOR SOILS: <br /> Sands,Gravels,and SPT Blow Count* Clays and Unconfined Compressive SPT Blow Count' <br /> Non-Plastic Silts (Blow/Foot) Plastic Silts Strength"(TSF) (Blows/Foot) <br /> I <br /> VERY LOOSE UNDER 4 VERY SOFT UNDER 0.25 UNDER 2 <br /> LOOSE 4 - 10 SOFT 0.25 - 0.50 2- 4 <br /> MEDIUM DENSE 10 - 30 MEDIUM STIFF 0.50 - 1.00 4- 8 <br /> DENSE 30 - 50 STIFF 1.00 - 2.00 8- 15 <br /> I <br /> VERY DENSE OVER 50 VERY STIFF 2.00 - 4.00 15-30 <br /> HARD OVER 4.00 OVER 30 <br /> • Number of blows of 140 pound hammer falling 30 inches to drive a 2-inch O.D.(1-3/8 inch I.D.)split spoon sampler(ASTM 01586). <br /> •• Unconfined compressive strength, in tons per square foot, as determined by laboratory testing or approximated by the standard <br /> penetration test(ASTM 01586,),pocket penetrometer,torvane,or visual observation. <br /> GROUND WATER LEVEL- 3 GROUND WATER SEEPAGE: 2 <br /> I <br /> ADDITIONAL TESTS: All tests performed are summarized in Table B-1,Appendix B. <br /> l AL Atterberg Limits GS Grain-size Distribution TD Triaxial Compression,drained <br /> AS Agricultural Suitability PA Paleontologic Analysis TDy Triaxial Compression,dynamic <br /> CONS Consolidation pH Hydrogen Ion Concentration TU Triaxial Compression,undrained <br /> CBR California Beating Ratio PID Photoionization Detector UC Unconfined Compression <br /> i COMP Compaction PERM Permeability WP Water Pressure <br /> CHEM Chemical Analysis PM Pressuremeter 524.2 BTEX EDC,EDB,TPH (water) <br /> DS Dire=Shear R R-value 7421 Total Lead <br /> EI Expansion Index SE Sand Equivalent 8260m BTEX EDC.EDB.TPH (soil) <br /> SG Specific Gravity <br /> 1 PLATE A-2 <br />