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Project: ARCO #4493 - Log of Boring/Monitoriny Well: <br /> Boring Location: 205 N. CENTERS!,- } FOCKTON, CA. Pro ci No.: 7G60V ?-02 M W— <br /> subcontractor and Equipment: CENTRAL VALLEY DRILLING I Logged B): A.A. Drawn By. T.Z. <br /> Sampling Method: HSA,SPLIT SPOON Monitoring Device: RA PID Comments: <br /> Start Date/Time: 2/11/99//1300 Finish Dole/Time: 2 1/99//1345 <br /> First Water (bgs): 16.5 FT. Stabilized Water Level bgs): 14.90 FT. <br /> Surface 0mlion: NA 1)p Casing Elevation: NA <br /> n o <br /> o d -0 Boring Abandonment/ <br /> CL a n J LITHOLOGIC DESCRIPTION <br /> CL 'a # P N (color, grain size, consi iency, moisture, other) WeII Construction Details <br /> 0 o ca w o <br /> N m a n <br /> 00 01As ha!# - <br /> Traffic-roted <br /> 1 Lill material from 3" to about 7' Well Box <br /> z v v <br /> Neat Grout <br /> 3 <br /> Bentonite <br /> 4 Chips <br /> 5 <br /> o <br /> o <br /> 6 — /2412 <br /> Sand Pack <br /> 3 ol <br /> 7 _ <br /> 12 o 8lo Fill material, some sand, g ovel,bricks. concrete, — <br /> no odor 4"4 Sch.4 <br /> 9 _ PVC Blank <br /> 10 SILTY CLAY (CL) (0,5,40,55 DARK BROWN, firm. — _ Losing <br /> 2 — <br /> 5 11 damp, no odor <br /> _ a o <br /> 12 — <br /> t 4" .020 <br /> 13 Screen <br /> 14 ` — Casing <br /> 7 15 SANDY SILT (ML) (0,20,65,1 ) DARK GRAY, very well - <br /> 1416 sorted, fine grained, wet, no odor <br /> 22 0 <br /> 17 T — <br /> 18 <br /> 19 — <br /> 5 20 SILTY SAND (SM) (0,70,20,1 ) BROWN, fire grained, ver, ir- <br /> 12 well sorted, soft, loose, saturated. no odor <br /> 21 1.6 21 — <br /> 22 23- <br /> 24 <br /> 3 24 — <br /> �, 25 End Cop <br /> 12 SILTY SAND (SM) (0,70,20,1 ) BROWN, fine grained, ver-j- <br /> 25 <br /> er25 well sorted, soft, loose, saturated, no odor <br /> 40 2.4 25 <br /> 27 Total depth of boring = 25 FT. <br /> Sample to 26 1/2 FT. <br /> 28- <br /> 29- <br /> F <br /> 30 <br /> P <br /> Reviewed By.. Date: <br /> SECOR ��� <br /> Revised 8y. Date: l'nge 1 of 1 <br />