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Z <br /> a o LOG OF BORING No. CH-4R <br /> M. <br /> WD_ W CJ <br /> W _o <br /> cars L LU Cn w ¢� F o = DATEDRILLED: Aprt121,199$ EQUIPMENT: CME-65 <br /> a� oL) o g -R - ���uuwpzp < w <br /> M m CL z 0 0? 5 a U l7 DESCRIPTION: ELEVATION: <br /> l'of sod and topsoil. <br /> CO FILL <br /> as 2 +t• SAND (SP)-yellowish-to grayish-brown,very moist to <br /> +; wet, loose, medium-to coarse-grained, few pockets of <br /> +* firm silty clay, slight hydrocarbon odor. D ago <br /> 5 <br /> 314/4 +#+ <br /> ALLUVIUM <br /> CLAYEY SILT(ML) - reddish-brown, moist, hard, <br /> 9/25122/32 10 Z estimatedl0%clay,trace very fine-grained sand, FeO Q c1.0 <br /> W and MnO staining, no hydrocarbon odor. <br /> TOTAL DEPTH @ 11.0 FEET <br /> NO GROUNDWATER <br /> 520W15- <br /> 20— <br /> W <br /> a <br /> 25 <br /> Cr <br /> 0 <br /> 30 <br /> a <br /> 0 <br /> to <br /> 35 <br /> a <br /> 0 <br /> THIS SUMMARY APPLIES ONLY AT THE LOCATION OF THIS BORING AND AT THE TIME OF DRILLING.SUBSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND MAY CHANGE AT THIS LOCATION MVITHTHE <br /> PASSAGE OF TIME.THE DATA PRESENTED IS A SIMPLIFICATION OF ACTUAL CONDITIONS ENCOUNTERED. <br /> PROJECT NO. <br /> THE Re-Sampling of Former Diesel Underground Storage Tank Locations 96-1113008.80 <br /> 1�1 MARK Northern California Youth Correctional Center FIGURE NO. <br /> GROUP,INC. Stockton, California CH-4R <br /> " INFRASTRCJCTURE I£ENVIRONMENTAL ENGINEERING <br />