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Drilling Log <br /> ��❑❑� GROUNDWATER Monitoring Well MW-10 <br /> TECHNOLOGY <br /> Project Lammersville School District Owner Lammersville School District See Site Map <br /> Location Trac v, CA Project Na 02320 2124 Date drilled 01/24/92 For Boring Location <br /> Surface Elev 98 56 ft Total Hole Depth 20 0 ft Diameter 8 ft COMMENTS <br /> Top of Casing 9773 ft Water Level Initial 6 ff Static 781 ft <br /> Screen Dia 2!n Length 15 ft Type/Size 2 in Wellhead and surface elevations are <br /> Casing Dia 2 in Length 5 ft Type Sched 40 PVC relative and do not relate to <br /> mean sea Leval <br /> Filter Pack Material Lapis Lustre #2112 Rig/Core Type Mobile 8-63/Spirt Spoon <br /> Drilling Company Kvilhaua Method Hallow Stem Auoer Permit i 92-006.3 <br /> Driller Mike Crocker Log By Steve Kranvak <br /> Checked By Ed Simonis License No RG 4422 <br /> C <br /> a� o a �, o> r FJ J Description <br /> L1U0 dp <br /> o" E E X M-' in (Color, Texture, Structure) <br /> C> Nmx Trace C SOX, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> -2 - <br /> 0 Grass surface <br /> 12 ML Dark brown clayey SILT with some fine sand <br /> 2 < < 0 A 1a Light brown very fine SAND <br /> 9 <br /> 0 B to <br /> 114 <br /> so <br /> 0 C a <br /> 7 SM <br /> 6 <br /> 6 0 D 5 Encountered groundwater at 6 0 feet on 01/24/82 (1230 hours) <br /> 3 <br /> -"-Brown fine SAND (loose, wet, no hydrocarbon odor) <br /> 8 — s1--Brown silty fine SAND <br /> s Static Water level at 781 feet on 01/29/92 <br /> 7 rown silty CLAY with some fine sand <br /> 10 _ 9 CL <br /> s <br /> — 8 <br /> 9 Brown clean fine SAND <br /> 12 — 10 r <br /> t2 <br /> _ 15 <br /> 12 <br /> 11 <br /> 4 <br /> _ to <br /> 9 r 5P <br /> — e r <br /> 16 — 10 t <br /> 5 <br /> 7 <br /> 9 r <br /> _ t <br /> 18 — s Silty CLAY with some minor very fine sand <br /> 12 <br /> 8 CL <br /> 20 a i <br /> End of boring at 20 feet Constructed groundwater monitoring well <br /> 22 - <br /> - 24 - <br /> 03/0-3/1892 <br /> 03/03/1892 irthlog-ian92 Page 1 of 1 <br />