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•Geofogicaf Techrt s Inc. <br /> Borehole Lo <br /> Project Name Former Moresco Property Borehole No. SB-4 Page 2 of 4 <br /> Project No. 251.2 Date 04/06-07/95 Contractor Osterberg & Stewart Inc. C57 446670 <br /> Area & County16865 Gawne Rd., Stockton Hollow Stem Auger <br /> Drilling Method <br /> t Field Geo/Eng T. McDonaldElevation,of Measuring Point N/A <br /> L <br /> Tot. Dep. 60' Tot. Casing Dep. N/A AnnuIar Seai N/A Filter Pack N/A Grout 60'-0 <br /> Borehole Dia. 7.25" Casing Dia. NIA Screened Interval N/A Slot Size N/A Water Level ±110' ' <br /> E- o !4 <br /> Description Description Remarks <br /> Ln V1 V u NC 22 <br /> 30 PID Reading <br /> �. SAND(2.SY5/6)fine to coarse,well graded, l22 m <br /> 17:05 `n SW loose,11ocal silt/clay layer, hydrocarbon pp <br /> odor <br /> O <br /> QJJ <br /> SANDhydrocarbon odo) fine to medium,well graded, 52PPm <br /> SW nose <br /> 117:15 O <br /> O <br /> v � , <br /> OSAND(2:5YS%6) fine to medium,well graded, gg ppm <br /> ^" U <br /> SW 17:24 loose,slight hydrocarbon odor <br /> .L1 <br /> SILTY CLAY W SAND(2.5Y6/4) 84 m <br /> CL semi-plastic,FeOx root tubes pp <br /> 3 17:36 ---- <br /> SILTY CLAY W/SAND(2.SY6/4)as above, 145 m <br /> _ CL more:plastic,fewer FeOx root tubes PP <br /> 17:45 ——— <br /> SILTY SAND(2.5Y5/6)very fine to fine,.well 14 ppm <br /> SM graded, FeOx streaks <br /> Notes: Silt =.Clay Sand (5Y5/6)=Munsell soil color description <br /> Gravel/Cobbles Lab Analysis Sample Grain size is referenced to the Modified <br /> Wentworth Scale <br /> rev 3/92Suspected low reading due to faulty PID Drawn45/05/95 <br />