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Project: California Army NAtional Guard, FMS24 Log of Soil Boring: <br />ocatlan Stockton CA Project Number: 18600251 02041 FMS24SB04 <br />23 <br />25- <br />26 <br />27 <br />28 <br />29 <br />30 <br />• 31 <br />33 <br />35 <br />36 <br />38 <br />40 <br />41 <br />• 42 <br />43 <br />PID (ppm) <br />> N U <br />ED y <br />25 <br />-02-NSI 13131 10.01 <br />01 -NS 1325 <br />1329 <br />0.61 L <br />2.4 <br />1405 118/181 <br />1405 <br />1345 0.0 1.9 <br />1412 118/181 I 1 V::- <br />104 <br />1428 118/IBI I <br />1420 <br />1500 0.0 728 <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />____________ <br />SANDY LEAN CLAY (CL), dark grayish brown (2.5Y 4/2), moist, D D <br />8o%fine to medium stand, 20%fines, low plasticity, micaceous, no 0 0 <br />odor. D;;::D.: <br />SILTY SAND (Stvi), dark grayish brown (2.5Y 42), moist, 80%fine D ::'. D <br />to medium sand, 20% fines, micaceous, slight hydrocarbon-Wre odor. ^ .0 :Q' <br />- <br />FAT CLAY (CH), dark grayish broum (2.5Y 42), moist, 1001/0 fines, <br />trace fine in medium sand, high plasticity, no dilateocy, high <br />toughness, high dry strength, mottled with hydrocarbon -like Staining, <br />no odor. <br />C& <br />G p <br />Color change to light olive brown (2.5Y 5/3) mottled with greenish gay 'D.:D <br />;G1/ 5/I). p <br />0:. <br />------------------------------------- <br />SILTY SAND (Slat), brown (1 OYR 4/3), moist, 70% fine to medium D. :0 Q <br />sand, 30% fines, trace coarse sand to fine gavel, angular to <br />eubrounded, moderate hydrocarbon -like odor. <br />----------------------------------- <br />SILTY SAND (SK, dark grayish brown (IOYR 42), moist to wet, <br />80% fine to medium sand, 20% fines, strong hydrocarban4ike odor. <br />2870 Gateway.. Ste Iso <br />xe <br />Be'mento, CAA 95933 9583) <br />916679-2000 <br />r � <br />♦ <br />p 39 <br />D <br />�O <br />DUnable to collect 40 <br />soil gas sample <br />Ddue to saturation. <br />. D: 41 <br />.`: C;1'42 <br />0p. <br />D'. <br />43 <br />