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GO <br /> B6 (Alta EM Inc.) <br /> S <br /> ND ' <br /> 1 I A <br /> A <br /> Cf) D / y <br /> C o / q 0 <br /> ND ' <br /> z <br /> A <br /> \ B5 (Alta EM Inc.)/ �`y < o <br /> ND O : a <br /> a <br /> ® <br /> \ a a <br /> MW-1 d <br /> n FORMER EXCAVATION \ N o <br /> Q AREA (2007) w <br /> FORMERBUILDING E. <br /> 4 Boa 1 FOUNDATION w o w <br /> FORMER UST r A \ <br /> AREA (2002) 12,500 \� wz <br /> s2 .a wrx<o <br /> a � 0 <br /> Iw 00 <br /> CPT-1 ND o <br /> - ' � -E-o <br /> 1, 7ua \ FORMER UST w. w w <br /> 1/AREA (1986) w z o <br /> co <br /> co <br /> \ <br /> MW-3 0 <br /> oW <br /> so \�MW-6 <br /> ND ND <br /> � w <br /> LEGEND <br /> MY[-'4- MONITORING WELL LOCATION 17ITH REPORTED TPH CONCENTRATION <br /> NO <br /> 900 <br /> 0 SOIL BORING LOCATION WITH REPORTED TPH CONCENTRATION <br /> C ] APPROXIMATE FORMER UST/EXCAVATION LOCATION NOTES: N <br /> / 10,000 mg/kg contour area = 110.7 square ft. SCALE <br /> LINE OF GEOLOGIC CROSS SECTION 1,000 mg/kg contour area = 426.3 square ft. 0 10 20 <br /> -I,.—TPH ISOCONCENTRATION CONTOUR LINE / 100 mg/kg contour area = 626.1 square ft. FEET <br /> ® ESTIMATED EOII.TPH IMPACTED-AREA <br /> 1 mg/kg contour area = 963.3 square ft. <br />