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BORING/WELL GRAPHIC DESCRIPTION <br /> CONSTRUCTION DETAIL LOG <br /> DEPTH PID <br /> IN FEET (PPmv) <br /> ++++++++++++++++ <br /> « r + + + r + 20 280 ML—Inorganic clayey silt, <br /> + r + * * « + * greenish stiff, <br /> + + + « r + + + 21 odor. <br /> gray, very ry , <br /> ++++++++++ + } + <br /> + « + r + r + r <br /> 22 -- <br /> ++++++++++r + r 23 <br /> # f + r # r + + <br /> } + + + r « f + <br /> +++++++++++++++ 2rJ 80 ML—Inorganic silt with very <br /> +++++++++++++++ <br /> } } } } } r } } fine grained sand, light brown, <br /> +++++ } + + + + very stiff, dry, odor. <br /> + + f # + + + + <br /> r + } # + + } + <br /> 26 - <br /> + r # } + + « f <br /> « + # + « + + + 27 ML—Inorganic clayey silt, light <br /> + + + } « r + + <br /> + } « # + + + # brown, very stiff, dry, no odor. <br /> + i + r + r + r 29 <br /> + + + r+++%+++ 30 <br /> } « + # r # r + <br /> + + + f + <br /> + + + + 31 <br /> ++#++++r + f #r + } # <br /> } + f + + r + « <br /> # 4 + + + r + r <br /> + r + f # + + + 32 <br /> + « + r + r + + 33 <br /> + + + r + + + f <br /> } « + « + } + + <br /> r + } # + r + r <br /> r # + r # r + + 34 <br /> +++# + +++ « # + 35 <br /> } }+}+f +++++++ O Becoming soft, moist, no odor. <br /> + + r # + + + + 36 <br /> 4 # # + # + 4 f <br /> r « + + + + + r <br /> + + + « + 4 4 438 <br /> + « + r # r + + <br /> « } i + + + 4 # <br /> + + + « # r # + 39 TD: 39 Feet. <br /> 40 <br /> EXPLANATION: CONTACTS: APEX ENVIROTECHe INC. <br /> = Water level during drilling Save sample —Solid Boring/Well Log Job No. <br /> where certain Details GP-3 REXO1.001 <br /> Q Water level in completed wall ❑ Grab sample -.......Dotted where <br /> approximate Former P.E. O'Hair Site BORING/ <br /> Estimated permeability 1102 South Aurora Street WELL <br /> ❑ Location of recovered drill sample est K (hydraulic conductivity) '--'Dashed where <br /> uncertain <br /> 1K-primary, 2K-secondary Stockton, California <br /> ■ Location of sample sealed for —Hachured where QP-3 <br /> chemical analysis NR No recovery gradational 03/26/02 <br />