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a• <br /> WA <br /> WELL LOG <br /> KEY TO ABBREVIATIONS <br /> Drilling Method Gravel Pack <br /> NSA-Hoflow stem auger CA-Coarse aquarium sand <br /> CFA-Contincus flight auger <br /> Air-Reverse air circulation <br /> samallan Methol <br /> Cal.Mod. -California modified split-spoon sampler(2'inner diameter)driven 18'by a <br /> 140-Wind hammer having a 30"drop. Where penetration resistance Is <br /> designated"P,saml:4erwas Instead pushed by drill dg. <br /> Disturbed -Sample token from drilketum materials as they surfaced. <br /> Shelby -Shelby Tube thin-wailed sampler(3'diameter),where sampler is pushed by drill-rtg. <br /> Moisture—Content S4rtiggIP astlgi 34 H-S,L(oom) <br /> Dry -Dry PS -Poorly sorted L -Low ND -No detection <br /> Op -Damp MS -Moderately sorted M-Moderate <br /> Mst -Moist WS -Well sorted H -High <br /> Wt -Wet <br /> Sat -Salurated Sample Preserved for <br /> Laboratory Testing <br /> Z=bgj sample <br /> First 9ncounterccl ground water pl _reoovary <br /> j interval <br /> Static ground water leve! <br /> 3 <br /> Density (Bio_wslFootl <br /> Sands and gravels Sifts and Clays <br /> 0.4 -Very tense 0-2 -Very Soft <br /> 5-10 -loose 3-4 =Soft ` <br /> 11 -30 -Medium dense 5-6 -Firm <br /> 31-50 -Dense 9-16 -Stiff i <br /> over 50 -Very dense 17-32 -Very Stiff <br /> over 32 -Very dense <br /> GRAIN-SIZE SCALE <br /> GRADE LIMITS GRADENAME <br /> U.S. Standard <br /> inch sieve size <br /> —_ 12.0 ——————— Boulders -- <br /> -- 3.0 -- 3.0 in. ,---r---�_ .----�---Cobbles---._— - <br /> -- 0.1_9 --- No.a ------.__....----_.�__--— Gravels -------- <br /> -- 0.08 --- No. 10 -- —_._�—coarses—� -- ---- — — <br /> No.40 —= — - medium —_ - Sand—r--- - - <br /> -�_ ------- fine <br /> No. 200 — <br /> Silt <br /> —.----- ----- ---------- — <br /> Clay Sae -- -- <br /> PACIFIC ENVIRONMENTAL GROUP, INC. <br />