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� � r - <br /> ItOISTURE <br /> r" DRY CCNSITY CONTENT BLOW <br /> 10/ftp = CRY WEIG147 COUNT SruMLE USCS DESCRIPTION <br /> C 0'-2" Asphalt Concrete, <br /> 2"-7" Aggregate base, <br /> _ 7"-4' Black to dark brown, <br /> 2 103.3 20.1 17 2-1 CL slightly sandy, silty <br /> CLAY, medium stiff, moist, <br /> ___ 4'-8' Brown to rusty brown, <br /> 4 very fine, slightly <br /> clayey, silty SAND, dense <br /> 6 108.8 16.0 42 2-2 SM damp, <br /> 8 8'-17' Light brown to tan, very <br /> fine sandy SILT, medium <br /> stiff, damp, <br /> 10 - <br /> 17 2-3 <br /> w 12 <br /> w <br /> ML <br /> z <br /> 14 <br /> CL <br /> 0 16 1$ 2-4 <br /> —-- 17'-21.5' Dark brown, very silty, <br /> 18 fine SAND, dense, damp. <br /> SM <br /> 40 2-5 <br /> 22 - +NFWE <br /> st Boring terminated at 21.5 fee <br /> 24 <br /> 26 <br /> 28 1 - - H M <br /> Date Drilled: 4/14/87 <br /> BALBI & CHANG ASSOCIATES LOG OF BORING NO. TB-2 P"TE <br /> geotechnical consultants • materials testing <br /> ARCO AM/PM FACILITY 5 <br /> PROJECT NO. 1525-10 DATE: 4/27/87 STOCKTON, CALIFORNIA <br />