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Project: ARCO #4493 Log of Boring/monitoring Well: <br /> Boring Location: 205 N. CENTER ST. STOCKTON, CA. Project No.: 7G600--022-02 M W_ <br /> Subcontractor and Equipment: CENTRAL VALLEY QRILLING Logged By. A.A. I Drawn By. T.Z. <br /> AffiLsompling Method: HSA,SPLIT SPOON Monitoring Device: RAE PID Comments: <br /> tart Date/Time: 2/1 0 99 1100 Finish Dote/Time: 2/10/99//1400 <br /> First Water (bgs): 1$ Stabilized Water Level (bgs): 13.58 FT. <br /> _ Surface Elevation: NA Top Casing Elevation: NA <br /> g E %Boring Abandonment/ <br /> LITHOLOGIC DESCRIPTION Well Construction Details <br /> oo a o Ln (color, grain size, consistency, moisture, other) <br /> a m a 0 m a <br /> cn <br /> D S a — I m p rl = <br /> 00 Traffic—rated <br /> 1 Fill material from 4" to about fi' well Boz <br /> 2 v v <br /> Neat Grout <br /> 3 <br /> Bentonite <br /> 4 <br /> Chips <br /> 7 5 <br /> 10 — <br /> 1215 29 1.4 6 SILTY CLAY (CL) (0,5,35,60) DARK GRAY, very fine, — Sand 1Pack <br /> 7 firm, damp, no odor - <br /> 8 — <br /> 9 — 4"0 Sch.4 <br /> PVC Blank <br /> 10 = Casing <br /> 10 <br /> 19 11 SILTY CLAY (CL) (0,5,35,60) DARK GRAY, very fine —_ <br /> 1230 29 1.6 grained, well sorted, firm, damp, no odor — <br /> 12 — <br /> 13 — 4" .020 <br /> Screen <br /> — Casing <br /> 14- <br /> 4 15 SILTY CLAY (CL) (0,5,35,60) DARK GRAY, very fine, - <br /> 11moderately sorted, firm, damp, slight odor, some — <br /> 1245 13 4.516 brick material encountered — <br /> 17 <br /> p — <br /> 19 - <br /> 3 20 — <br /> 4 21 SAND (SW) (0,90,5,5) DARK GRAY, fine grained, well — <br /> 1300 7 4.5 sorted, slight odor, saturated — <br /> 22 — <br /> 23 <br /> 24 <br /> 25 SAND (SW) (0,90,5,5) DARK GRAY, fine grained, well find Cap <br /> 15 sorted, loose, slight odor, saturated <br /> 37 <br /> 1315 67 8.6 26 <br /> 27 <br /> imi28 <br /> 29 <br /> 30 <br /> 000 Reviewed By. Date: <br /> S E C O R Revised By. Date: Page 1 of—L <br />