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Project: ARCO 14493 Log of Boring/Monitoring Well: <br /> Boring Location: 205 N. CENTER ST. STOCKTON, CA. lProject No.: 7G600-022--02 MW- 4 <br /> Subcontractor and Equipment: CENTRAL VALLEY DRILLING Logged By. A.A. I Drawn By. T,Z. <br /> Sampling Method: HSA,SPLIT SPOON Monitoring Device: RAE PlD Comments: <br /> Start Date/Time: 2/12/99//0940 Finish Oate/Time: 2/12/99//1100 <br /> First Water (bgs): 17 FT. Stabilized Water Level (bgs): 14.55 FT. <br /> Surface Elevation: NA Top Casing Elevation: NA <br /> E g E Boring Abandonment/ <br /> ~� N LITHOLOGIC DESCRIPTION <br /> o o a o o �? (color, grain size, consistency, moisture, other) Well Construction Details <br /> VR <br /> N <br /> m a O7 3 <br /> O ASDhalt —3 <br /> Traffic—rated <br /> 1Fill material from 3" to about 7' Well Box <br /> 2 0 00 0 v <br /> Neat Grout <br /> 3 11'10 <br /> Bentonite <br /> 4 Chips <br /> 5 5 SILTY CLAY (CL) (0,0,20,80) DARK BROWN, firm, very <br /> fine, damp, no odor <br /> 16 6 = 2012 <br /> 30 o Sand Pack <br /> 7 — <br /> 8 <br /> 9 4"0 Sch.4 <br /> PVC Blank <br /> Casing <br /> 13 10 , <br /> SANDY SILT (SC) (0,15,80,5) LIGHT BROWN, well sorted, —_ <br /> 34 11 loose, damp, no odor <br /> 64 0 <br /> 12 — <br /> 4" .020 <br /> 13 Screen <br /> Casing <br /> 14 <br /> 12 15 <br /> 26 16 CLAYEY SILT (MH) (0,5,15,80) GRAY, very fine, soft, <br /> 42 o damp, no odor — <br /> 17 `18- <br /> 19 — <br /> 20 SILTY SAND (SM) (0,15,80,0) DARK GRAY, loose, <br /> saturated, product odor — <br /> 25.9 21 = <br /> 22 <br /> 23 <br /> 35- 24 <br /> 25 — End Cap <br /> SILTY SAND (SM) (0,30,70,0) DARK GRAY, loose, <br /> ORO <br /> 0 26 saturated, product odor <br /> 27J Total depth of boring = 27 FT. <br /> Sample to 26 1/2 FT. <br /> 82930 28- <br /> 29- <br /> 30 <br /> Reviewed By, date: <br /> SECOR °°° <br /> Revised By. Date: Page 1 01 1 <br />