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Boring Number, MW-1O HORIZON ENVIRONMENTAL INC <br /> ,fob Number 1419 12 •- <br /> Site Location Beacon #419, Stockton, CA <br /> Drilling Company V & W Drilling Drilling Method 8-inch Hollow Stem Auger <br /> Drilled By Robert & Larry Sampling Method Split-Spoon Sampler <br /> Date Drilled 09/24-25/98 Total Depth 86 5 Feet <br /> Logged By L Smith Depth To Groundwater 445 Feet <br /> CL <br /> a CL <br /> a a, O o <br /> Ln <br /> 3 0 ` u <br /> CLU_ z v d n Z Soil <br /> aE uc 2 n Well <br /> a' v } <br /> Comments Description n ° Construction <br /> m . 2 v <br /> cn c c Q V rx <br /> Asphalt (3') <br /> 1 1 CLAY block, moist stiff high . ,� <br /> plasticity, no odor CH Casing Installation Data <br /> 2 2 2-inch PVC <br /> ••, 0 420-inch screen <br /> 3 3 <br /> 4 4 <br /> 5 5 . •t <br /> 15 <br /> 6 fO 6 CLAYEY SILT, dark brown, moist hard ' <br /> N 19 18 18 0 ML + <br /> 28 low to medium plasticity no odor � <br /> 7 7 <br /> 8 <br /> 8- <br /> 9- <br /> 10— <br /> 9 10 10 <br /> 11 i 7 18 18 0 11 SANDY SILT yellowish brown, moist .• '•" <br /> to 7 stiff low plasticity, no odor ' <br />' 12 12 . <br /> 13 13- <br /> 14— <br /> 3 14 14- <br /> 15— <br /> 4 15 15 • w <br /> 10 <br /> 16 12 18 18 0 16 Very stiff no odor • '4 <br /> 17 17 <br /> 18 18 + + <br /> 19 119- <br /> 20 <br /> 9 20 20 f <br /> 23 <br /> 21 C14 25 18 18 0 21 Tan to light brown hard no odor <br /> v� 27 g <br /> 22 22 •� <br /> 23 23- <br /> 24— <br /> 3 24 24- <br /> 25— <br /> 4 25 25 J• ,i <br /> 26 ('No 12 <br /> 17 18 18 0 28 SILTY SAND very tine-grained, reddish • • r <br /> y1 34 brown moist, very dense, no odor SM <br /> 27 27 <br /> 28 <br /> p 14 • <br /> 26 ` <br /> 29- 29 . �• <br /> ' s <br /> 30 30 ML I LL <br /> (Boring Continued On Next Page) Page 1 Of 3 <br />