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c r r r r r - r r r r r r r r r r r t r <br /> B Be <br /> North South <br /> APPROXIMATE LIMITS OF <br /> 1990 SOIL EXCAVATION <br /> DEPTH ELEVATION <br /> (feet) (feet) <br /> 0 30 SB-t3 AW-10 SB-7 SB-2 SS-1 <br /> ------------ <br /> r- _ _ _ ---- • NO <br /> ............ <br /> 10 20 —"- 554 ------ ---�,�---= -:+ <br /> • 6,700 • 3,700 • 5,200 — - - - - ND <br /> + ND f • 974 • ND * NO <br /> n <br /> • ND • 3.2 + ND <br /> • 1.0 • ND' <br /> 20 10 <br /> • <br /> NO • ND' <br /> 30 0 • ND <br /> •A NO <br /> 40 -10 <br /> 10 <br /> LEGEND <br /> Np TPH-D concentration CROSS SECTION B-B' <br /> 10 I i Sandy fill(excavation) (ppm) <br /> Blank <br /> SCALE(feet) Silt Former Mobil Bulk Plant 04-343 <br /> Vertical exaggeration=2:1 � Screened interval <br /> 500 East Grantline Road <br /> Silty sand Stabilized water level Tracy, California <br /> ALTON - on 1114197 <br /> GEOSCIENCE ® Clay ND TPH-G concentration <br /> ■ Livermore, California m FIGURE <br /> 6 <br /> 7n.nlq]R A A' nl♦wm <br />