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WELL LOG <br /> KEY TO ABBREVIATIONS <br /> ! r r <br /> p�Ll ng IN@�hod G aYe,l, Pack <br /> HSA-Hollow stem auger CA-Coarse aquarium sand <br /> CFA-Contrnous flight auger <br /> Air- Reverse air circulation <br /> Sampling Method <br /> Cal Mod -California modified split-spoon sampler(2"inner diameter)driven 18" by a <br /> 140-pound hammer having a 30"drop Where penetration resistance is <br /> designated"P", sampler was instead pushed by drill ng <br /> Disturbed -Sample taken from drill-return materials as they surfaced <br /> Shelby -Shelby Tube thin-walled sampler(3"diameter),where sampler is pushed by drill-ng <br /> Moisture Content Sorting Plasticltv H-NUspam] <br /> Dry -Dry PS -Poorly sorted L -Low ND -No detection <br /> Dp -Damp MS - Moderately sorted M-Moderate <br /> Mst - Moist WS -Well sorted H -High <br /> Wt -wet <br /> Sat -Saturated Sample Preserved for <br /> Laboratory Testing <br /> aymbols <br /> - First encountered ground water samplesampled recovery <br /> 1 -Static ground water revel interval <br /> . Density (B w I Mod Sairl2ler) <br /> Sands and gravels Slits and Clays <br /> 0-5 -Very Loose 0-2 -Very Soft <br /> 5-13 -Loose 2-4 -Soft <br /> 13-38 - Medium dense 4-9 -Fum <br /> 38-63 - Dense 9-17 -Stiff <br /> over 63 -Very dense 17-37 -Very Strff <br /> 37-72 -Hard <br /> over 72 -Very Hard <br /> GRAIN - SIZE SCALE <br /> GRADE LIMITS GRADE NAME <br /> U S Standard <br /> inch sieve size <br /> 12 0 Boulders -------- <br /> -- <br /> 30 -- 3 0 in ` -----------– _ __ _— __— Cobbles019 -- No 4 -------- --- Gravels <br /> coarse <br /> —� ----_ No 40 ------- medium ------� Sand ----- <br /> No 200 –.-..._—_._.--- fine ------------- ---------- <br /> ------ Silt <br /> Clay Size <br /> PACIFIC ENVIRONMENTAL GROUP, INC <br />