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BORINGLOG OF EXPLORATORY 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' J REMARKS 1 J cu CL CLAY, light yellowish brown (1OYR, 6/4); 10-15% sand; occasional silt and clayey silt interbeds. 25-ESANDY 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 (SYR, 5/4 to 5YR, CL 4/4); 10-15% fine- to predominantly 40-2medium- to trace coarse-grained sand. POCKET PENETRA- LITHO- PENETRO- TION a:J 0TORVANE = W. GRAPHIC DESCRIPTION METER = �! ; a (® 3 J COLUMN N (TSF) (TSF) Ft ®/ ) V ® J REMARKS 1 J cu CL CLAY, light yellowish brown (1OYR, 6/4); 10-15% sand; occasional silt and clayey silt interbeds. 25-ESANDY 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 (SYR, 5/4 to 5YR, CL 4/4); 10-15% fine- to predominantly 40-2medium- to trace coarse-grained sand.