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Drilling Log <br /> EIDHI_�ITECHNOLOGY <br /> GROUNDWATER Monitoring Weil MW-4 <br /> Protect Chevron - Stockton Owner Cnevron U.S.A. Products CO. <br /> Location 3246 E2sr Fremont Streei Proiect No. 02070 3865 Date arilied 05103IP3 <br /> 5� ° Description <br /> a o o r m <br /> a:, a a n E,v CD°� a (Color, Texture, Structure) <br /> � <br /> 0 0 ? Trace < 10%, Little lo% to 20%, Some 20% to 3SX. And 3SX to 50% <br /> ' 24 -1 MW42? , Orange-brown, poorly graded SAND with SILT (continued) <br /> < < 2 30 <br /> 26 < [ 30 <br /> - 28 - 5—P< [ M <br /> MW4-30 <br /> - 30 <br /> 20 <br /> < < 1 zs <br /> ' < < 35 <br /> 32 < < <br /> Brown sandy SILT (70% silt, 30ro fine to medium sand, slightly moist) <br /> 34 ` ` MW4-35 <br /> le <br /> ` ` 1 30 <br /> 6 a� <br /> < < <br /> { [ ML <br /> ' 38 < < <br /> MW4-40 <br /> 1 <br /> <4Q— < C 2z Olive gray sandy SILT (80% silt, 20% line to medium sand, trace <br /> 3o coarse sand) <br /> 42 <r rMottled olive gray and brown silty CLAY (70% clay, 30% silt, <br /> < < slightly moist, very plastic) <br /> 44 MW4-45 <br /> ' < l5 CL <br /> < <br /> o 25 <br /> 11 4 46 < <o <br /> � [ < <br /> i Olive orgy, poorly grad?d SAND with GRAVEL (BOro line to medium <br /> 46 sand, 10% coarse sand, 10% fine gravel, slightly moist) <br /> SP <br /> r It< < I Mwz-50 <br /> zr+ <br /> ' <br /> _ 50 <br /> Olive gray silty SAND (8C% fine to medium sand, 20% silt, slightly <br /> < < <br /> zz moist) <br /> 52 1 < < <br /> < < SM <br /> rJ j tMW4--5 <br /> < < i r. (Grades brown, 70% fine to medium sand, 30% sift) <br /> c c I C 30 <br /> 56 �E I <br /> ' 05/26/i9E3 i tniog-ma 52 Page: 2 of 3 <br />