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I4LYMGu?H A�A� _- ~GM-er_ , LOG OF BORING GM-4 <br /> Chevron Service Station #9-4275 <br /> GM-9 _ �GM-6 0 2945 West Benjamin Holt Drive <br /> I <br /> GMh��-♦GM-4 Stockton, California <br /> �I <br /> G 2 r MS <br /> GM-1 '--•J :TProject No RC0309 005 Date Drilled November 14, 1996 <br /> i 6+ GM z Logged By Aaron O'Brien Drilling Method 10" Hollow Stem Auger <br /> Drilling Co Westex Sampling Method 2" Split spoon <br /> N Dniler Mark Dockrey Driller's License C57-552198 <br /> N o = DESCRIPTION <br /> WELL CONSTRUCTIONa C <br /> a pn a U) Cry <br /> I 10" Boring Traffic-rated <br /> Well Cover <br /> - 0sphalt concrete <br /> Locking water <br /> A.o <br /> tight cap - = - - SILT (ML), dark greenish gray(10Y 311), 5-10%clay, 5-10% w - <br /> a <br /> Concrete --fine-grained sand,very_stiff, dry <br /> 5- 23 7 <br /> 2" Sch 40 PVC <br /> Blank casing <br /> Neat Cement <br /> Grout <br /> _"*_�—Bentonite SAND (SW), gray (5Y 5/1),trace(<5%) silt, medium <br /> 10 dense, moist <br /> #2112 sand 37 12 <br /> VJ <br /> 2" Sch 40 PVC <br /> 0 020"slotted <br /> casing <br /> 15 - <br /> 17 6 SILT (ML), olive gray (5Y 412), 10-15%clay, stiff,very moist <br /> 11/14/96 <br /> 2 50 PM <br /> 20 ®20 feet clayey silt, olive brown (2 5Y 414),with <br /> 37 55 streaks of greenish gray (10Y 511), 25-30% clay, <br /> Coated very stiff, wet <br /> Bentonite <br /> SAND (SW), dark olive gray (5Y 312), trace (<5%) clay, <br /> very dense,wet <br /> 25 <br /> Geraghty & Miller, Inc. Boring GM-4 sheet o <br />