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E <br /> �trll�kf Oa� <br /> tti 1 <br /> MW[-17A <br /> ,(0.139) <br /> v <br /> ���ohth St <br /> rGo f"Y -MW 16A <br /> me.eom�u.meow..a®.aw�wrr..�r.®..®..�.aaa.@�@s.e®..�..�na®..a�r.ww..®:.®@s®uww.a.g..rm..®a.®s.�ews oe a.er�.er e s v r. a@ �� ®..moa•.®oa..Srr�e®..ew.ao�ai�..� aawq@@�w..e�.. e <br /> c MW-3A _ <br /> MW-13A <br /> (0.059) �`- MW45AS' <br /> (0.037) <br /> ASC Paved Parking Area slialwjonHgrso <br /> MW-9A <br /> {0.004) -- <br /> PJC Paved Road A10 Paved Road <br /> MW{A MW-6A fD MW-14A <br /> (e.070) (0.002) (0.005) <br /> MYV-10A :`r <br /> ba (0 001) AV. <br /> MW-22A <br /> MW 4aS "e LEGEND <br /> (0.162) (p p02) House y�rrema <br /> (0ooij (0.002 � {@�,'�' EWP1 Extraction Well <br /> 0.002 �,�' � ,.� <br /> _ rucf�'an <br /> MW-12A <br /> 3 rpm•'® Iowa Infiltration Gallery Well <br /> Communications �� �M �——— r■� <br /> FadhryQ.01 .@�••� MW-2A 49 A•Zone Monitoring Well Location <br /> ti MW-9A fir,/ <br /> T civ nd i {0.008) .•� Mw-3B B-Zone Monitoring Well Location <br /> ax~� <br /> +�r.�• Mw-,c® C-Zone Monitoring Well Location <br /> 0 GAC Vessels <br /> MW-11A �,r*+� <br /> Building <br /> (0-065) <br /> � •,+.f. - ■+f"rte <br /> Road or Paved Area <br /> ,. NOTES: <br /> �••� 1. flee Table 5-4 for Summary Ground Water Analytical Results <br /> for Total Chromium. ®••®■@+•• SPTCo Properly Boundary <br /> �led <br /> — -2 Total Chromium analyzed by EPA Method 218.2. Existing Fence <br /> r+ 3. The geometric mean cericentration.for each constituent was calculated I -_i railroad Tracks <br /> using all quarterly sampling analytical results. When there was no detection <br /> y.` above the method detection limit,the geometric mean of one half of the lowest _____— Umits of Impoundment Excavation <br /> detection limit for all of the quarterly analytical data for that constituent was <br /> \\ used in the computation of Via geometric mean concentration. <br /> W.S.I.D.Enigatlon Canal(Buried) <br /> 4 Isoconcentration contours are drawn based on actual date collected from <br /> t the monitoring wells. Contours between monitoring wells are based on Infiltration Gallery <br /> interpolation between monitoring watts and actual concentrations between <br /> Contour lnntektrat wells may differ from those intered. NA Not Analyzed <br /> 0.01 Figure: <br /> indlastrtaI Compliance 15000NCENTRATION MAP OF 5,7 <br /> ® RsvesdaryofSP GEOMETRIC MEAN CONCENTRATION <br /> t_l' Emftlf3t1ZefH,sy�1 <br /> arm,Inc. TOTAL CHROMIUM IN A-ZONE GROUND WATER Page No.: <br /> �rtiv2tn, Amroximat�s�ale�n ret SOUTHERN PACIFIC TRANSPORTATION COMPANY <br /> INA) P+oje"-' 05106254 Dale: 03122M TRACY YARD: <br /> 0 t TRACY, CALIFORNIA <br /> °r''n Patti Deckerr Mike Purcell asshowa <br /> T cy-2540.«3earF.s-7 0106 <br />