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Project: ARCO #4493 <br /> Log of Boring/Monitoring Well: <br /> Boring Location: 205 N. CENTER ST: fOCKTON, CA. Pro' ct No.: 7G600. �2-02 M W_ <br /> Subcontractor and Equipment: CENTRAL VALLEY DRILLING Logged Or A.A. I Drawn BY T,Z, <br /> Sampling Method: HSA,SPLIT SPOON Monitoring Device: RA PID Comments: <br /> Start Dote/Time: 2Z12/99//0940 Finish Date/Time: 2Z 2/99//1100 <br /> First Water (bgs): 17 FT. Stabilized Water Level bgs): 14.55 FT. <br /> t5 Surface Elevation: NA T p Casing Elevation: NA <br /> zo E ti v Boring Abondonment/ <br /> 4 a -� :3 J LITHOLOGIC DESCRIPTION <br /> a # Y (color, grain size, consistency, moisture, other) Well Construcfipn Details <br /> 0 o p 1V m N o <br /> 3 <br /> 0 As halt <br /> Traffic—rated <br /> 1 Fill material from 3" to a5 ut 7' Well Box <br /> 2 v D <br /> Neat Grout <br /> 3 <br /> Bentonite <br /> 4 Chips <br /> 5 SILTY CLAY (CL) (0,0,20,80) DARK BROWN, firm, very — <br /> 16 6 fine, damp, no odor — 12012 <br /> 30 o — Sand Pock <br /> 7 - <br /> B — <br /> 9 — 4'0 Sch.4 <br /> PVC Blank <br /> 10 — Casing <br /> 13 SANDY SILT (SC) (0,15,80,5) LIGHT BROWN, well sorted, _ - <br /> 34 11loose, damp, no odor <br /> 64 tl — <br /> 12 <br /> 13 4" .420 <br /> Screen <br /> r — Casing <br /> 14 <br /> t2 15 <br /> 26 16 CLAYEY SILT (MH) (0,5,15,8 ) GRAY, very fine, soft, <br /> 42 o damp, no odor 17- <br /> 20 <br /> 7 20 SILTY SAND (SM) (0,15,80,0 DARK GRAY, loose, - <br /> 25.9 21 <br /> saturated, product odor _ <br /> 22 — <br /> 23- <br /> 24- <br /> 25 <br /> 3 2425 End Cap <br /> SILTY SANG (SM) (Q,30,70,0) DARK GRAY, loose, <br /> 0 26 saturated, product odor <br /> 27 Total depth of boring = 27 FT. <br /> Sample to; 26 1/2 FT. <br /> 28 <br /> 29 <br /> { <br /> a <br /> 30 <br /> 000 Reviewed By. Date: <br /> SEC 0!0\ Revised By. Date: Page L of 1 <br />