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' Boring Number, B-2 <br /> Job Number 1641 12 ^ HORIZON ENVIRONMENTAL INC <br /> Site Location Beacon #641, Stockton, CA <br /> Drilling Company Mitchell Drilling Environmental Drilling Method 10-inch Hollow Stem Auger <br /> Drilled By Bart Sampling Method Split--Spoon Sampler <br /> Date Drilled 07/22/97 Total Depth 80 Feet <br />' Logged By G Barker Depth To Groundwater 64 Feet <br /> s" 4a a c <br /> ,r E } <br /> 7 C U - p t!o <br />' �i z U o ar n Soil a Well Comments <br /> E.- Description o <br /> ' c a o V o a c P N L e Construction <br /> E m s V) via <br /> V! — a V vw-1 <br /> MW-1 VW-2 <br /> 9 22 18 16 1,630 <br /> 31— rn 340 31 CL <br /> Casing Installation Data <br /> 32 32 <br /> MW-1. VW-1 do VW-2 <br /> 33 33 2—inch PVC <br /> 0 020—inch Screen <br /> 34 34 <br /> 35 23 18 18 2504 35 S1TLY CLAY, trace very Tine-rained sand <br /> rn 35 brown to reddish low plasticity, dry hard <br /> 36 36 <br />' 37 37 <br /> 38 .38- <br /> 39— 39 <br /> 40 0 32 40 <br /> i 45 18 16 2,097 SANDY CLAY do SILT very fine—grained tan <br /> vi 50 and brown, low plasticity, hard <br /> 41 41 <br /> 42 42 <br /> 43 43 <br /> 44 44 <br /> 45— Ln 31 <br /> 30 18 18 2,011 45 SILT AND SAND veryfine— to fine—grained Sm <br /> Vi 35 46 tan to greenish, moist, very dense <br />' 47 47 <br /> 48 48 <br />' 49 49 <br /> iR 42 12 10 313 SILTY SAND fine— to medium—grained <br /> vi 50 tan and brown, dry, very dense <br />' S1 51 <br /> 52 52 <br /> 53 53 <br />' S4 54 <br /> SILTY CLAY, with some very fine-grained <br /> 55 30 55 sand' law plasticity, damp, hard CL <br /> 30 18 16 163 <br /> Iy 40 SAND, very fine— to medium—groaned. Sip56 56 tan to brown, moist, very dense <br /> 57 57 <br /> 58 58 <br /> 59 59 <br /> so 60 <br />' (Boring Continued On Next Page) Page 2 Of 3 <br />