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C�eologicaC Technics Inc. <br /> reo0 .. ........ <br /> ....... <br /> 9 .......... ................. . .... .... <br /> M, <br /> ...... ... ...... . <br /> ........ . <br /> i Project NameBC&D Properties Borehole No. MW-4 Page of 1 <br /> Project No. 8-1.2 Date 10/14/92 Contractor O erber 8, StewartInc. Lic. 446670 <br />_ Area & County Trac San Joa uin Drilling Metho[1_ Wollow Stem Auger 6;25" ID - <br /> Field Geo/Eng Timothy McDonald EIevation of Measuring Point 100.40' arbi. plane <br /> Tota Dep. 22' Tot.Casing Dep. 22' Annular Sea1�7-66 Filter Pack 22-T <br /> Grout <br /> Borehole Dia.10•2S" Casing Dia. 2.0" Screened Interval 22-7' Slot Size 0.020"W =13.0' <br /> ater Level <br /> i <br /> a°i b G. E o C °1 -Z: C° u5 1 <br /> m et <br /> un U Description Remarks <br /> cn r��i U U cm r <br /> 0 i Topsoil <br /> E_ <br /> Ln <br /> Sand-yellow brown (10Y5/6),very fine to - <br /> 1 2 sw medium grained, poor sorting, root tubes, dry, OVM 3.5 <br /> well graded-- --- ---- -- ppm <br /> i Clay-observed from cuttings --- ' <br /> 10 --- - - __._ - Silt-olive brown (2.5Y4/3),contains a very fine <br /> cn 2 _ L sand with medium grains, clay matrix, DVM 2.5 <br /> © - 2- 4 =-_ - semi plastic, root tubes moist ____-____,- lam <br /> -Z '_•�- - Silt-olive brown (2.5Y4/3),as above, wet, very <br /> 3 c 3 -_- CL plastic OVM 2.0 Q <br /> ppm ) <br /> 3' - -- ----------- -------------- <br /> ul) 2 <br /> I <br /> „ 4 _ Sift-light olive brown (2.SY5/4), as above,firm, <br /> 5 <br /> 4 3 =- - L moist increased amount of OVM 2.0 <br /> __._ sand clay matrix,Y <br /> 4___ _ ---- semi plastic ppm <br /> M a =_-- ~- Clayey Sift-light yellow brown (2.5Y6/4), moist,- <br />{ _ 5 = -_= _ a verb plastic, soh ___- OVM 2.0 <br /> - - �- 3 _ :,_ Clayey Sift-as above ---------------- ppm <br /> CL <br /> 20 6- 'Y --------:----------------------- � `� <br /> Drillers missed interval <br /> 7 n/a n/a <br /> -- --- --- Vy ---- - - -------------------------------- <br /> A <br /> ------------------------------ -i <br /> 25 <br /> -moi .- <br /> j <br /> E :\ 30 i <br /> otes: © =Sample sent to Laboratory. <br /> I• =Collection interval for laboratory sample. <br /> ? <br /> =Static water level <br /> . k <br /> reg3/92 tDraWn 11/27/92 <br />