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UNIFIED SOIL CLASSIFICATION SYSTEM <br />MAJOR <br />DIVISIONS <br />LTR <br />DESCRIPTION <br />MODIFIED <br />WELL -GRADED GRAVELS OR <br />CALIFORNIA SAMPLER, 2.D -ID <br />GW <br />GRAVEL SAND MIXTURES. <br />2.5 -ID <br />ISHELBY <br />ML <br />LITTLE OR NO FINES <br />SP <br />STANDARD PENETRATION <br />SANDS OR CLAYEY SILTS <br />SPLIT -SPOON SAMPLE <br />O <br />WITH SLIGHT PLASTICITY <br />y <br />POORLY -GRADED GRAVELS <br />w <br />GP <br />OR GRAVEL SAND MIXTURE, <br />❑ v <br />7d� <br />CL <br />LITTLE OR NO FINES <br />CLAYS, SILTY CLAYS, <br />LEAN CLAYS <br />C7 <br />N <br />SILTY GRAVELS, <br />GM <br />GRAVEL -SAND -SILT <br />4¢ <br />MIXTURES <br />h <br />O <br />OL <br />ORGANIC SILT -CLAYS OF <br />(p <br />CLAYEY GRAVELS, <br />m <br />GC <br />GRAVEL -SAND -CLAY <br />°w <br />MIXTURES <br />z_ <br />INORGANIC SILTS, MICACEOUS <br />z <br />MH <br />OR DIATOMACEOUS FINE, <br />O <br />SANDY OR SILTY SOILS, <br />w <br />N <br />WELL -GRADED SANDS OR <br />SW <br />GRAVELLY SANDS, LITTLE <br />aN <br />J <br />OR NO FINES <br />J <br />INORGANIC CLAYS OF <br />0POORLY-GRADED <br />CH <br />SANDS, OR <br /><:j <br />SP <br />GRAVELLY SANDS, LITTLE <br />o <br />OR NO FINES <br />z <br />ORGANIC CLAYS OF MEDIUM <br />O <br />OH <br />TO HIGH PLASTICITY, <br />< <br />SM <br />SILTY SANDS, SAND -SILT <br />HIGHLY <br />ORGANIC <br />Pt <br />PEAT AND OTHER HIGHLY <br />MIXTURES <br />Z <br />SC <br />CLAYEY SANDS, SAND -CLAY <br />MIXTURES <br />NOTES <br />THE LINES SEPARATING STRATA ON THE LOGS <br />REPRESENT APPROXIMATE BOUNDARIES ONLY. <br />THE ACTUAL TRANSITION MAY BE GRADUAL NO <br />WARRANTY IS PROVIDED AS TO THE CONTINUITY <br />OF SOIL STRATA BETWEEN BORINGS. LOGS <br />REPRESENT THE SOIL SECTION OBSERVED AT <br />THE BORING LOCATION ON THE DATE OF <br />DRILLING ONLY. <br />MAJOR <br />DIVISIONS <br />LTR <br />DESCRIPTION <br />MODIFIED <br />INORGANIC SILTS AND VERY <br />CALIFORNIA SAMPLER, 2.D -ID <br />MODIFIED CALIFORNIA SAMPLER, <br />FINE SANDS, ROCK FLOUR, <br />2.5 -ID <br />ISHELBY <br />ML <br />SILTY OR CLAYEY FINE <br />SP <br />STANDARD PENETRATION <br />SANDS OR CLAYEY SILTS <br />SPLIT -SPOON SAMPLE <br />WITH SLIGHT PLASTICITY <br />g <br />O �+ <br />INORGANIC CLAYS OF LOW <br />TO MEDIUM PLASTICITY, <br />❑ v <br />7d� <br />CL <br />GRAVELLY CLAYS, SANDY <br />CLAYS, SILTY CLAYS, <br />LEAN CLAYS <br />F-' <br />J <br />N <br />ORGANIC SILTS AND <br />v� <br />OL <br />ORGANIC SILT -CLAYS OF <br />o <br />LOW PLASTICITY - <br />m <br />W <br />z <br />INORGANIC SILTS, MICACEOUS <br />z <br />MH <br />OR DIATOMACEOUS FINE, <br />SANDY OR SILTY SOILS, <br />LL <br />ELASTIC SILTS <br />aN <br />J <br />❑� <br />INORGANIC CLAYS OF <br />Z n <br />CH <br />MEDIUM TO HIGH <br /><:j <br />PLASTICITY, FAT CLAYS <br />J <br />VJ <br />ORGANIC CLAYS OF MEDIUM <br />OH <br />TO HIGH PLASTICITY, <br />ORGANIC SILTS <br />HIGHLY <br />ORGANIC <br />Pt <br />PEAT AND OTHER HIGHLY <br />SOILS <br />ORGANIC SOILS <br />KEY TO <br />SYMBOLS <br />MODIFIED <br />CALIFORNIA SAMPLER, 2.D -ID <br />MODIFIED CALIFORNIA SAMPLER, <br />2.5 -ID <br />ISHELBY <br />TUBE SAMPLE <br />SP <br />STANDARD PENETRATION <br />SPLIT -SPOON SAMPLE <br />1 WATER LEVEL OBSERVED IN BORING <br />NO RECOVERY <br />NFWE NO FREE WATER ENCOUNTERED <br />m " IKBORING LOG LEGEND <br />Proposed Safeway Fuel Center <br />6425 Pacific Avenue <br />PROJECT NO. JB -374 DATE 03/03 Stockton, California <br />N0. <br />3 <br />