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' O-CE AND TECHNOLopY CoRP a a m Ir BORING NO. MW-8 LOG OF BORING SHEET 1 OF 1 CLIENT PROJECT PROJECT NO EBMi10 Stockton Service Center 40429 300 ' PROJECT LOCATION COORDINATES ELEVATION (OATUM) TOTAL DEPTH DATE START Stockton California N 4947 552 E 5017 905 3 0T (msl) 265 FEET 09/07/93 SURFACE CONDITIONS LOGGED BY GATE FINISH Gravel S Martin 09/07/93 ' SAMPLING CHECKED BY APPROVED BY cn as m - M McClain E Meyer � � 91 1 � 1 = ; S � W ED ' m o m yKj w i o CORIN Z ~ [a CLASSIFICATION OF MATERIAL REMARKS ww w r=- Q i s x a 4 �0. � � m Erb � } Gi o Q ' y � i � � aLU aD cc w w 10 -' W (n Lo SPT k 3 5 8 11 15 GRAVEL Boring advanced with 10 I CLAY dark brown stiff, high plasticity, 0 0, B 1/4" 10 hollow moist stem auger Sampler 2 driven using 140 Ib hammer over 30 drop 3 ' 4 SILT,yellowish-brown stiff, non-plastic, 5 moist w/ some sand SPT 2 5 6 B 12 14 6 CLAY dark brown stiff high plasticity moist, w/ trace gravel 7- 89 8- 9— -------------------------- CLAY olive-gray stiff low t0 Silly -- SPT 3 3 5 B 11 15 plasticity, most ' 11 12— --—---------------------------- 13 — --- ----- --- --13 SILT, gray firm, non-plastic most w/ some sand t4 ' SPT 4 3 2 4 8 15 1516 Sandy SILT, gray firm, non-plastic wet Fuel odor 1T I 18 19 ' SPT 5 3 4 5 9 15 20 Grading stiff 21 ' 22 - - ------- -------------- 23 Silty SANO, gray poorly graded fine 24 grained medium dense rounded wet I� SPT 6 8 10 13 23 15 25 26 CLAY greenish-gray, very stiff high plasticity, moist ' 27 Bottom of boring at 26 5 bgs Water level 15 bgs 28 on 9/7/93 Monitoring well installed 9/7/93 ' 29