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C PROJECT NUMBER 939-02.06 BORING NO. P-3 PROJECT NAME San Joaquin County Landfill Development Site PAGE 2 OF 5 BY BAB DATE 6/01-02/87 SURFACE ELEV. 113.93' 7 zu CL CLAY, light yellowish brown (10Y_T,___67_4 ); 10-15% sand; occasional silt and clayey silt interbeds. SANDY CLAY, brown (7.5YR, 5/4); 20% medium- to coarse-grained sand; slightly silty; much softer than above; moist. @-26-29': CLAY to SANDY CLAY, brown (7.5YR, 5/4); 15-25% sand; very hard; slightly damp. 30 SILTY CLAY, strong brown (7.5YR, 4/6); occasional iron stains and trace black laminations. SM SILTY SAND, yellowish brown (10YR, 5/8); 35-40% fines; predominantly fine to 35 medium grained; quartzose with 15% fine mica flakes and 5% other mafic grains; 10% interbeds vary to sandy silt and clayey silt; trace iron stains. CLAY, reddish brown (5YR, 5/4 to 5YR, CL 7 4/4); 10-15% fine- to predominantly 40 J medium- to trace coarse-grained sand. PLATE A-10 POCKET PENETRA- LITHO- TORVANE PENETRO- TION i z H GRAPHIC DESCRIPTION METER ? d (Blown/ 3 _j COLUMN (TSF) (TSF) V C 7 zu CL CLAY, light yellowish brown (10Y_T,___67_4 ); 10-15% sand; occasional silt and clayey silt interbeds. SANDY CLAY, brown (7.5YR, 5/4); 20% medium- to coarse-grained sand; slightly silty; much softer than above; moist. @-26-29': CLAY to SANDY CLAY, brown (7.5YR, 5/4); 15-25% sand; very hard; slightly damp. 30 SILTY CLAY, strong brown (7.5YR, 4/6); occasional iron stains and trace black laminations. SM SILTY SAND, yellowish brown (10YR, 5/8); 35-40% fines; predominantly fine to 35 medium grained; quartzose with 15% fine mica flakes and 5% other mafic grains; 10% interbeds vary to sandy silt and clayey silt; trace iron stains. CLAY, reddish brown (5YR, 5/4 to 5YR, CL 7 4/4); 10-15% fine- to predominantly 40 J medium- to trace coarse-grained sand. PLATE A-10