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Drilling Log <br /> ® GROUNDWATER Monitoring Well 08-1 <br /> EETECHNOLOGY <br /> Manna Pro Manna Pro Corporation See Site Map <br /> Prosect Owner <br /> Location Stockton, California 0207028!9 For Boring Location <br /> Pros No <br /> Surface Elev Total Hole Depth 50 ft Diameter 1025in COMMENTS <br /> Top of Casing Water Level Initial 42 ft Static <br /> Screen Dia 207 Length 10 ft Type/Size 0 020 m Samples collected from 7 diameter pilot <br /> 2!n 40 ft SCh 40 PVC borehole Redr,lled with to 25 diameter <br /> Casing Dia Length Type augers for well construction Monitoring <br /> #3 Lapis Lustre Mobile 8-61/Split S0000 point consists of 2 diameter observation <br /> Fill Material _ Rig/core well and 3 nested vapor probes The <br /> Drill Co Gregg Drilkn.g Method Hollow Stem Auger vapor probes are represented by a black <br /> line next to the well <br /> Driller Mike Bramar Log By DH Horner/D H H Date 9-22-93 Permit # 93--1836 <br /> Checked By David Kleesattel License No RG# 5136 <br /> C: <br /> :3 N <br /> W Description <br /> d) <br /> m QE a ro' s0 <br /> d) a a U v a p U <br /> o-- o n a w 0� in (Color, Texture, Structure) <br /> m ° Ir 6 to Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> U N m R <br /> -2 <br /> Q SILT with little calcium carbonate nodules yellowish brown <br /> (I0YR5/4) (hard damp, moderate petroleum odor) <br /> 2 <br />�i 4 <br /> 6 <br /> a ML <br /> 1Q 795 10 <br /> 081-10 528 <br /> 35 <br /> 12 <br /> 14 <br /> 6 (grades very stiff, damp, no odor) <br /> 12 9 10 <br /> 1B 15 <br /> 30 7 8 11 SAND, very fine with some silt dark yellowish brown (10YR4/4), <br /> 18 OBl-18 10 moderately graded (medium dense subrounded damp, slight <br /> 15 5M petroleum odor) <br /> 20 10 Fine SAND with trace medium-coarse sand dark yellowish brown <br /> 112 20 (10YR4/4), poorly graded (medium dense, rounded to subrounded, <br /> 25 damp, no odor) <br /> 22 5P <br /> 10 (grades fine to medium, subrounded to subangular, (10YR4/6) <br /> 61 20 <br /> 24 30 <br /> 12/22119031ith1og-marg3 Page 1 of 2 <br />