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SAMPLING <br /> Monitoring Well MWA <br /> F- <br /> Z " <br /> Lu <br /> o � w <br /> IL ¢ w ° W <br /> `n x o: "' SYMBOL DESCRIPTION <br /> 0 HA Concrete <br /> CL VERY DARK GRAYISH BROWN(312- 10 YR)SILTY CLAY with gravel, <br /> medium plasticity, medium strength, moist <br /> PID 3 5 ppm <br /> 5 -- --- ---------- <br /> 36/36 <br /> - ---------- <br /> 36136 DARK GRAYISH BROWN(412-10 YR)SILTY CLAY, low plasticity, low <br /> strength, weak,moist <br /> PID 3 0 ppm <br /> S BROWN(413-10 YR)SILTY CLAY, low plasticity and strength, moist <br /> PID 2 5 ppm) <br /> 48148 <br /> 10------ ---------- <br /> same as above <br /> S T <br /> grades DARK YELLOWISH BROWN(414-10 YR)SILTY CLAY, minor <br /> 48148 PID 5�I, low to medium plasticity and strength, moist <br /> PP <br /> 15------ ---------- <br /> S <br /> ---- ----------5 <br /> DARK YELLOWISH BROWN (414-10 YR)SILTY, SANDY CLAY, low to <br /> medium plasticity, soft, moderately weak, moist <br /> 48148 PID 7 0 ppm <br /> S <br /> SM OLIVE BROWN(413-2 5 Y)SILTY SAND,subangular, loose, moist to <br /> dry <br /> 48148 PID 2 0 ppm <br /> CL BROWN(413-10 yr)SILTY CLAY, low plastiaty, low strength, moist <br /> S <br /> 25 ---- ------ <br /> - grades OLIVE BROWN(4 3-2 5 y)SILTY CLAY, medium plasticity, low <br /> to medium strength, moist <br /> 48148 PID 13 6 ppm <br /> S. <br /> same as above with sand,becoming very moist <br /> 30------ ---------- <br /> 48/48 OLIVE BROWN(413-2 5 Y)SILTY CLAY with minor sand and gravel, <br /> medium plasticty, low strength, moist <br /> PID 11 ppm <br /> S grades with more gravel, sand <br /> GM OLIVE BROWN(413-2 5 Y)SILTY, SANDY GRAVEL,wet <br /> 48136 <br /> 35 <br /> Continued Next Page <br /> Job No 28066866 Log of Boring <br /> Senal No <br /> Date Completed 4118105 Driller Gregg Drilling Drilling Method HSA Location <br /> Bonng Depth 45 0 ft. Logged By Craig Tiballi Stockton,California <br /> Top of Casing Elev 13 74 ft Casing Type PVC Screened Interval 25-40 ft Slot Size 0 010 in <br /> Casing Depth 45 Oft Casing Diem 2"in Effective Interval 23-45 fL Sand Pack Monterey#2112 <br /> i - T,--- •- <br /> 4 A n%u h mn In innr, PAGE 1 of 2 <br />