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w d r 01 1 KEY TO ABBREVIATIONS / D_rliiing Method HSA - Hollow stemGravel F.•, auger CFACA - C Continuous flight auger aquarium sand Air - Reverse air circulation Sampling Method Cal. Nod. - California modified split-spoon sampter (2" Inner dia- meter) driven 19" by a 140-pound hammer having a 30" drop. Where penetration reglstance Is designated "P-. sampler was Instead pushed b { Disturbed Sample y drill rig, taken from drill-return materials as they surfaced. n/a - Not applicable S y Ho[� sturg Content Sorting Dr - Dry P5 Plasms city H�NU 4apu� - Poorly sorted - s Op - Damp M5 - Moderato) L Low ND - No I Mgt - Moist y sorted M Moderate detection Ut t Uet US - Uell sorted H _ high - t Sat - Saturated S mbnls Den—sltX g - First encountered Sands and gravels Silts and clays ground water VL - Very loose VS - Very soft - Static ground water L - Looselevel HD - Medium dense Sit - sort D - Dense MSt - Medium Stiff sample Stf VD - Very dense VSt - Veryfstlff } recovery Nd - Hard sampled interval k r I x ► GRAIN-SIZE SCALE GRADE LIMITS U.S. Standard GRADE NAME Inches sieve size ---12.0------ --- ---- Boulders -- ---------------- --------------- 3-0--------- --------- ---- --- 3.0--------- 3.0 In. _ Cobbles _ -------------------- 0.13 --- No. 4 --------- --- Gravel _ O.OB - coarse------ --------------------- z - No. 10 - - - - - - - - - - medium _ - - - - - - i - - - - - - -No. 40 .- _ Sand - - -- -- -- Y1ne - --------------- Na 0 - - --- - -- - -- ' ----- - -- --- - 2 0 -- -- ------- f:.� _ ----- ------ --- ------ S11t Clay Size PACIFIC ENVIRONMENTAL GROUP. INC.