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i <br /> WELL LOG <br /> KEY TO ABBREVIATIONS <br /> Drilling Method Gravel Pack <br /> i HSA- Hollow stem auger CA- Coarse aquarium sand <br /> CFA- Contrnous flight auger <br /> Air- Reverse air circulation <br /> Sampling Method <br />' Cal Mod - Califomia 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 matenals as they surfaced <br />' Shelby -Shelby Tube thin-walled sampler(3" diameter),where sampler is pushed by dnil-ng <br />' Moisture Content Sorting Plasticity H-NU (ppm) <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 -Saturated Sample Preserved for <br /> Laboratory Testing <br />' Symbols <br /> V - First encountered ground water sample <br /> ovrY <br /> ie <br /> sampled l b <br /> � r <br /> - Static ground water level interva <br /> Density (Blows/Foot - Cal Mod Sampler) <br /> Sands and gravels Silts and Clays <br /> 0-5 -Very Doose D-2 -Very Soft <br /> 5- 13 -Loose 2-4 -Soft <br /> 13-38 - Medium dense 4-9 -Fvm <br />' <br /> 38-63 - Dense 9-17 -Stiff <br /> over 63 -Very dense 17-37 -Very Stiff <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 />' 3 -- 3 0 in Cobbles <br /> 1 ^----------------- -------- <br /> - 0 19 -- No 4 Gravels <br /> 008 No 10 coarse <br /> ------- No 40 medium ------__ Sand -----��— <br /> No 200 -------- fine — <br /> Silt <br /> Clay Size ----.�. <br /> PACIFIC ENVIRONMENTAL GROUP, INC <br />