Laserfiche WebLink
Protect ARCO #4493 Log of Boring/Monitoring Well <br /> Boring Location 205 N CENTER ST STOCKTON, CA Protect No 7G600-022-02 MW- 4 <br /> Subcontractor and Equipment CENTRAL VALLEY DRILLING Logged By A A I Drown By TZ <br /> Sampling Method HSA,SPLIT SPOON Monitoring Device RAE PID Comments <br /> Start Date/Time 2/12/99//0940 Finish Date/Time 2/12/99/11100 <br /> First Water (bgs) 17 FT Stabilized Water Level (bgs) 14 55 FT <br /> ti <br /> o Surface Elevation NA Top Casing Elevation NA <br /> E <br /> ,� Boring Abandonment/ <br /> LITHOLOGIC DESCRIPTION <br /> ud a' <br /> Well Can5trlCtlafDetails <br /> E o , grain size. consistency, moisture, otheCnr) <br /> In m 0. O Z <br /> 0 As haft —3 Traffic—rated <br /> 1 Fill material from 3" to about 7' Well Box <br /> 2 0 0 <br /> 3Heat Grout <br /> Bentonite <br /> 4 Chips <br /> 5 5 SILTY CLAY (CL) (0,0,20,80) DARK BROWN, firm, very <br /> 16 6 fine, damp, no odor <br /> 30 o — X2012 <br /> Sand Pack <br /> 7 <br /> 8 <br /> g 4'0 Sch 4 <br /> PVC Blank <br /> 10 Casing <br /> 13 SANDY SILT (SC) (0,15,80,5) LIGHT BROWN, well sorted, <br /> 34ose, am , <br /> 64 D 11 lodamp, no odor <br /> 12 — <br /> 13 — 4" 020 <br /> Screen <br /> 14 Casing <br /> 12 15 <br /> 26 16 CLAYEY SILT (MH) (0,5,15,80) GRAY, very fine, soft, <br /> 42 D damp, no odor — <br /> 17 r — <br /> 18- <br /> 19- <br /> 20 <br /> 8 1920 SILTY SAND (SM) (0,15,80,0) DARK GRAY, loose, — <br /> saturated, product odor _ <br /> 259 <br /> 21 — <br /> 22 — <br /> 23 — <br /> 24 — <br /> 25 SILTY SAND (SM) (0,30,70,0) DARK GRAY, loose, End Cap <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 /> 30 <br /> OI <br /> p <br /> 000 Reviewed By Dote <br /> S E C O R Revised By Date Pagt 1 of 1 <br />