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SAMPLING Monitoring Well MW-2 U0 } Cr v7 x o W +� � I i U.Ja cn a a 2 to o U 2 `n `n uj SYMBOL DESCRIPTION 0 HA Pd CL DARK YELLOWISH BROWN (414-10 YR)SILTY CLAY, medium plasticity,some gravel, moist Hard Pan-stiAf silt, gravel weathered bedrock 5 S DARK YELLOWISH BROWN (314-10 YR)SILTY CLAY, low plsticity, weak, moist to dry 36136 PID 8 5 ppm becomes moist S 48/48 DARK YELLOWISH BROWN (414-10 yr)SILTY CLAY, same as above 10------ ---------- but very tight PID 4 5 ppm S NO RECOVERY Hard pan 4810 15------ ---------- S - -- ---------S CL YELLOWISH BROWN (514- 10 YR)SILTY CLAY WITH GRAVEL, medium to low plastiaty, moderately weak, moist PID 8 5 ppm 48142 20----- ------- — No gravel,only si�y day S BROWN(513- 10�(R)SILTY CLAY with gravel, low plasticity and strength, moist to dry PID 11 0 ppm 48148 same as above,grades with no gravel, moist S DARK GRAYISH BROWN(412-10 YR)SILTY, SANDY CLAY with 25SM gravel, low to medium plasticity, moderately weak, moist 48140 DARK YELLOWISH BROWN (414- 10 YR)SAND,little to no fines, poorly clean, rgunded. CL YELLOWISH BROWN (514- 10 YR)SILTY CLAY, medium plasticity, stiff, moderately strong,moist 5 grades sandy and gravelly 30 ---- --------- 48/48 S grades less sandy, and stiff SZ SM DARK GRAYISH BROWN(412-10 YR)SILTY SAND,with minor clay, 35 48130 sand is clean and subrounded, moderate to poorly graded,wet Continued Next Page -Tob Serial No 28066866 Sepal No Log of Boring Date Completed 4/18/05 Diller Gregg Drilling Dnlhng Method HSA Location Bonng Depth 40 0 ft. Logged By Craig Tiballi Stockton, California Top of Casing Elev 11 16 ft Casing Type PVC Screened Interval 25-40 ft Slot Size 0 010 in Casing Depth 45 0 ft Casing Diam 2"in Effective Interval 23-45 ft. Sand Pack Monterey#2112 1 nn Twmnlnta 14Aw ri ina gn finny PAr.F 1 of 7