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Geological Technics Inc. <br /> i rrr,r,rrr„r„rrrrrr„ r,„rrrrrr,r,rrr„r <br /> Borehole Log ""'""'""”" <br /> "= =' Project Name__ C&B Equipment Borehole No. MW-7 Page 1 of 1 <br /> Project No. 336.210/17/97 <br /> Da 10/17/97 Contractor V&W Drilling, <br /> Area & County 7474 W. 11th Street, Trac CA San Joqguin Co. <br /> 1=ielol Geo/Eng M. Merril Drilling Method Hollow Stem Auger <br /> E:a Borehole Dia 8" Tot. Depth 20' Tot. Casing Depth 20' Casing Din. 2" Screened Interval 20-5' <br /> Filter Pack 20-4' Annular Seal 4-2' Slot Size 0.020" Grout 21-0' Water Depth <br /> - t <br /> QJ 3: +1 `" o V) Remarks <br /> E C E �' U � Description <br /> 0 &:U �, viz 0 3 rM ° V) N OVM (PPM) <br /> 0748 >> — CL CLAY–(2.5Y5/4), plastic, moist, organic 0 <br /> material. <br /> `- 5 <br /> 0753 3 = CL SANDY CLAY–(2.5Y6/3), very fine to 0 <br /> 9 = fine grained, slightly plastic, moist. <br /> 10 _ <br /> 4: 0758 6 —_= CL SILTY CLAY-(2.5Y6/4), wet, plastic. 0 <br /> -' 15 __ <br /> 0800 s --= CL CLAY-(2.5Y6/6), wet very plastic. 0 <br /> 20 <br /> g 0808 9e =—= SC CLAYEY SAND–(2.5Y5/2), very fine to 0 <br /> _= medium grained, fairly loose. <br /> 25 <br /> =t <br /> 30 <br /> NotesSAND CLAY ® Annular Seal ® Grout <br /> SILT - Sample Submitted to Laboratory <br /> rr'1 <br /> I'� <br />