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Mw-17a <br /> rr��bon H <br /> 44 <br /> FieLe�th _ <br /> Str�,et OLor ?AW-16A <br /> Aas B .. <br /> .._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._..e.._.._.._.._.._.._.._.._... �C_.._.._..:�..�.�.�..�..�.. <br /> MW-3A <br /> "3 (<0.5) <br /> ' MW-13A <br /> A/C Paved Parking Area Station House <br /> W-9A - <br /> (1.08) <br /> A/C Paved Road -SA A/C Paved Road <br /> / W <br /> MW-5A y �M(5A2) MW-14A <br /> (<0.5 (1.43) <br /> 3 - MW-10A i9 <br /> P Slodcp� <br /> Soil MW-4A <br /> (1.05) MW-22A <br /> W-7A <br /> i M , ® E "^.._. LEGEND <br /> 3 MW-2A (<0.5)� MW 11A <br /> (<0.5) (13.18) Sr + ""�'�•► EwP1 0 Extraction Well <br /> Fue � MW-12A " �' _ <br /> Communications — -��' `~*`-= (<0.5) i..� Icw-1 Infiltration Gallery Well <br /> Facility r"1_ — �'• <br /> �,..� MW-2A 19 A-Zone Monitoring Well Location <br /> TPCA Pond �t MW-8A,, •"��• <br /> Excavation (<0.5) te MW-3121 <br /> B-Zone Monitoring Well Location <br /> MW-1C® C-Zone Monitoring Well Location <br /> 1 *� ��i•"� ® GAC Vessels <br /> s>ockpited (1.10) "�.'• Building <br /> Soil <br /> Road or Paved Area <br /> sled Cont Interval SPTCo Property Boundary <br /> (Ag/L)000 (Ag/L) - - Existing Fence <br /> Railroad Tracks <br /> - - - - - - Limits of Impoundment Excavation <br /> NOTES: 10 <br /> i1. See Table 5-3 for Summary Ground Water Analytical Results - W.S.I.D. Irrigation Canal(Buried) <br /> for Aromatic Volatile Organic Compounds. <br /> 2. Benzene,toluene,ethylbenzene,xylenes,and dichlorobenzene isomers ( ,J Infiltration Gallery <br /> analyzed by EPA Method 602. Approximate Scale in Feet <br /> ' 3. The summed geometric mean concentration was calculated by summing c 120 <br /> ' the geometric meads of each constituent,for all available quarterly sampling <br /> analytical results. When there was no detection above the method detection ISOCONCENTRATION MAP OF Ja <br /> limit,the geometric mean of one halt of the lowest detection limit for all of the — — Industrial Compliance <br /> quarterly analyticel data for that constituent was used in the computation of GEOMETRIC MEAN CONCENTRATION <br /> the geometric mean concentration. TOTAL AROMATIC VOLATILE ORGANIC <br /> ASubsidiaryo,ms COMPOUNDS IN A-ZONE GROUND WATER Page <br /> 4. Isoconcentration contours are drawn based on actual data collected from — Fnviionmental systems,Inc. <br /> the monitoring wells. Contours between monitoring wells are based on SOUTHERN PACIFIC TRANSPORTATION COMPANY <br /> MW-21A i interpolation between monitoring wells and actual concentrations between Project No.: 05100254 Date` 03/22/94 <br /> j wells may differ from those infered. TRACY YARD g`a"nPatti Decker e `" Kim Roccoforte TRACY, CALIFORNIA <br /> Ticy-254/RI.0394/F.S-4#106 <br />