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George's Service Project Name Page 1 of 2 Borehole No. MW-107 <br />425.2 Project No Date 7/1 /98 Contractor V&W Drilling <br />Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger <br />eological Technics Inc. <br />/ Borehol ,,,,,,,,,,,,,,,,,,,,, e Log <br />Area & County Corner of Durham Ferry Rd. and Hwy 33/ San Joaquin Co. <br />Borehole Dia-8 <br />Filter Pack <br />Tot, Depth <br />Annular <br />52' Tot. Casing <br />45-43'Slot <br />Depth 52' Casing Dla 2" Screened Interval 49.5-47 <br />52-45' Seal Size 0.020" 7 Grout 43-0' Water Depth 41— Depth feet -I-. <br />_.: Sample No. 5 <br />0., 4 _, ---, -- Columnar' Section 0 <br />L Description <br />D Remarks <br />0 V M (ppm) <br />_ <br />_ <br />_ <br />- <br />Well Boring Was <br />for MW-7 for <br />Free Drilled. See Log <br />Geology. <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />V <br />_ <br />_ <br />_ <br />1437 <br />8 <br />= <br />_ <br />EEECL SANDY CLAY-(2.5Y5/4), very fine <br />grained, sticky. <br />_ <br />_ <br />1443 <br />7 <br />=_ _ CL SANDY CLAY-(2.5Y5/4), very fine <br />grained, sticky. <br />Submitted Sample <br />Notes: SAND E CLAY V/Z Annular Seal n Grout <br />to Laboratory LE:j SILT <br />5 <br />10 <br />15 <br />20 <br />25 <br />30