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WELL LOG <br /> KEY TO ABBREVIATIONS <br /> Sacnpi ng Method <br /> Cal . Mod . - California modified split-spoon sampler ( 2" <br /> inner diameter ) driven 18" by a 140-pound hammer <br /> having a 30" drop. Where penetration resistance <br /> is designated "Ptt, sampler was instead pushed by <br /> drill rig. <br /> Disturbed - Sample taken from drill-return materials as they <br /> surfaced, <br /> n/a - Not applicable <br /> Wil. <br /> �► - First encountered <br /> ground water sample <br /> recovery <br /> „ Q - static ground sampled <br /> ti recovery interval <br /> CLAY <br /> �. SILTY �� Drilling Method <br /> NDY CLAY ,p HSA - Hollow stem auger <br /> tar �, SttLTYCL CFA - Continuous flight auger <br /> NVT Zed' c�Y a.a4fr1 Loa a Air - Reverse air circulation <br /> HND - Hand Auger <br /> 0 154NpY loAM \ <br /> QVR (ppm) <br /> '� , • 8 ND -- No' <br /> detection <br /> rr■<tw+ +�•o <br /> SOIL TEXTURAL CLASSES <br /> GRAIN-SIZE SCALE .� <br /> . r <br /> Y� <br /> GRADE LIMITS GRADE NAME <br /> U.B. standard <br /> - Inches sieve size .-_. <br /> Boulders <br /> --12. 0---------------------------------------------------------- <br /> Cobbles <br /> ---3 . 0------------ 3 .0 in---------------------------------------- <br /> Gravel <br /> --0,19----------- No. 4 ---------------------------------------- <br /> Coarse <br /> 0. 08 - -- - - - No. 10 - - - - - - - - - - - - - - - - <br /> Medium Sand <br /> - - - - - - - No. 40 - - - - - - - - - - - - - - - - <br /> Fine <br /> ---------------- No. 200 ---_-__-_-------_-------------_-----_- <br /> Silt <br /> ---------------------------------------------------------------- <br />