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Environmental LOG OF BORING N - <br /> 0 B 1 9 PAGE 2 of-Z- <br /> Science & <br /> Engineering, Inc PROJECT NO 02-531 -001 DA'T'E 5/15/90 <br /> 597 Center Avenue, Suite 350 CLIENT DELTA TRUCK SALES REF ELEV <br /> 1 Martinez, California 94553 SITE LOCATION STOCKTON, CA METHOD HOLLOW—STEM <br /> 415-372--3837 AUGER <br /> BORING LOCATION AROUND UNDERGROUND <br /> ^ ^ STORAGE TANKS HOLE DIA 7 INCHES O <br /> QC7 d w a DRILLER GREGG DRILLING v <br /> Q O Q w LOGGED BY PAUL GRAFF <br /> N <br /> Lj I ca m ¢ u7 In f5 <br /> g SUPERVISOR SUE WICKHAM, RG--3851 J in <br /> DESCRIPTION V O <br /> U <br /> 30 I RING <br /> 25ii84 30 ML f SILTY CLAY OR CLAYEY SILT, as above, but more clay sioghtly <br /> /C dry, not very plastic, moderately stiff 7Q <br /> ML SILT, less clay than above, drier V 7� <br /> V <br /> 35 RING 10 v <br /> JJ2678 35 FT ML SILT as above, faint odor <br /> 0 <br /> Q <br /> 44 ING 0 <br /> 16 761�:.pFTML As above, some odor <br /> i <br /> 0 <br /> 45 RING <br /> 50 92 45 FT' ML CLAYEY SILT as above, but more clay, odor 0 <br /> V 17V <br /> Q <br /> $0 RING <br /> 25 42 50 Fl ML As above, dryer some gray matter, no odor <br /> TOTAL DEPTH=50 FEET <br /> Boring back—filled with 3/8 ,n bentonite hole plug to surface <br /> COMMENTS <br /> Sampling Interval a <br /> Sample sent to labratory for analysis <br />