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IAW 17A <br /> 'tRTjyu� q <br /> NEW <br /> DR SRR/GqT <br /> EWPP 186 <br /> EWP5 EWP-O6 C \ <br /> -04 (/ ! <br /> EWP-oJ EWP 19 <br /> EWP- <br /> EWP o 17 EVlP <br /> \ _ <br /> EWP I O <br /> ....... <br /> PZ--060 FWP-o1 '\Erie 20 <br /> 2EWP ' � <br /> • f'. IAW 039 P_o *MW \\ EWPEWP P14oa `�� <br /> Qa SSC pP <br /> 3biw 736 �,^^.rr WP/ <br /> 'V. ;. <br /> EXTRA6TiON GALLERY \ /y <br /> O Tom/ uW?3n PUFAP i10U5E' w,1sA P-Ds \\ �' <br /> T- <br /> 1�: <br /> _ .. 1. __. AREA <br /> A PAVEO._ -0.t) <br /> AIS <br /> PZ-07 10 <br /> PAVED_PARKkNG. EwPEwa ,s e <br /> - - <br /> - STATE ltSE <br /> MW <br /> �- r_ <br /> �Fzy , .. �.. .... __ .. ...._.. _ .... <br /> a _ A Eo Rona <br /> -ROAD A/C, 'V lam:::: <br /> _ yy 5 y IAw OSAI - <br /> MW 10A BP%-7 <br /> 4 W MYl 1QE1_ — E PMW 14A <br /> hg1B MW 24A <br /> EEEEEEIII ��"y <br /> F4MP-01 f! 7 ZAS3 ®YAIP-04 __-_-_ -- <br /> �'�' -Ffi _ - MW 22A <br /> f a5 <br /> —Y �t+'b''r7 SG-06 lAw--25A .- <br /> Q" <br /> PAW-04A DPE%-i - OPE%-5 <br /> 6I TRCAT DEN10NIaw-D7 �low-ID f 4MP p o _——��azel 'ENGIN H Esc-0 'Z-09 OvnsP-as / <br /> a BED 1 Mw D7A f _® )AW-1 d Ex 3 -�� <br /> i`Mw-li P}_BMW-12B — —�.. ..,...,.... <br /> Iu IGW-O61 0 BPE%-8 <br /> —� COMMUNICATIONS % r J r` 10,00 <br /> MW-08A <br /> QMIFACILITYFORPOND <br /> ~ XCAVATIOIVWAVEER 1.�� <br /> MW-0 C <br /> m �MC 01H. <br /> I BIOREMEDkATION LEGEND <br /> TREATMENT / <br /> \ ', BED 2 <br /> 15 <br /> 5 \ Groundwater Monitoring Wel[(A-Zane) ---� UPRR Properly Boundary <br /> aGroundwater Monitoring Well(B Zone) —•— -•--- Existing Fence <br /> a S <br /> $ ! Groundwater Monitoring Well(C-Zone) -- Railroad Tracks 0 150' 300' <br /> Piezometer Well(A-Zana) — — — — — Limits of Impoundment Excavation <br /> a i Plezometer Well(e-Zone) ' 1 Concrete/Asphalt Pad <br /> , GRAPHIC SCALE <br /> Groundwater Extraction Well(A Zone) Building <br /> \ , 0 UNION PACIFIC RAILROAD COMPANY <br /> � ® Air Sparge We[i � Road or Paved Area ; <br /> FORMER MAINTENANCE FACILITY <br /> Dual Phase Extraction Well i:::::::::�i Infiltration Gallery TRACY,CALIFORNIA <br /> Soil Vapor Extraction Well ® Track Pan <br /> MW-z 16 / ® Vapor Monitoring Point <br /> yMWl21AR ISOCONCENTRATION CONTOURS <br /> Temporary Well <br /> TEPH-d Contour Interval( gA.)Based on March and <br /> 33� <br /> 100_--- June 2010 Groundwater oniioring Data and <br /> November 2009 HydroPunchTM Data FIGURE <br /> ° f TEPH-d Total Extractable Petroleum Hydrocarbons Quantified <br /> j in the Diesel Range ARCADIS <br /> 2 <br /> t <br />