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_ __._ ---- •, � <br /> MW-16 x <br /> • MW-13 � � � LEGEND <br /> I I — <br /> MW-15 • MONITORING WELL LOCATION <br /> X <br /> FORMER PIPELINES-APPROXIMATE LOCATION <br /> FORMER DAIRY ----------------------PROPOSED DEVELOPMENT <br /> AREA B4 I I —PARCEL BOUNDARIES <br /> ' x x x EXISTING FENCE <br /> ( i I I O <br /> X <br /> ____________________ EXCAVATION FOOTPRINT <br /> x x x 75.11 GROUNDWATER ELEVATION RELATIVE <br /> ___________ i X x TO FEET MEAN SEA LEVEL(ft MSL) <br /> X x x x x (ND) TPH AS CRUDE OIL,CONCENTRATION IN <br /> IMICROGRAMS PER LITER(ug/L) <br /> ' x AREA B5 I (ND) TPH AS DIESEL,CONCENTRATION IN ug/L <br /> CORAL <br /> 8 — (ND) BENZENE CONCENTRATION IN gg/L <br /> �> 80.86 I 81.34 —79.30— GROUNDWATER ELEVATION CONTOUR, <br /> ' I(ND) IN ft MSL <br /> x l , (ND) o (ND) x x x 0.004 <br /> ( (ND) d) (ND) x GROUNDWATER FLOW DIRECTION <br /> MW-11 (N )$Dl I x AND GRADIENT <br /> 80.34 <br /> ' I 00 ND NOT DETECTED <br /> x (ND) ,�. <br /> (ND) ( B6 O x I <br /> (ND) O <br /> ' ` nj x <br /> q 00 �. <br /> I <br /> % AREA B7 �0� O o• MW-7 <br /> -12 <br /> ' 81.72 Q`�' �M c,5 <br /> (ND) x x x 1 j <br /> (ND) (ND) I I O <br /> ' / (ND) <br /> (ND) (ND) <br /> Z <br /> (ND) / MW-10 <br /> ` x 82.32 Q <br /> (ND) x AREA 69 Z <br /> (ND) I 0 <br /> (ND) <br /> \ , <br /> x <br /> MW-4 � I <br /> MW-5 <br /> CORA <br /> x <br /> 1 PASTURE � / / MW-6 • <br /> I ' / x <br /> AREA B10 FORMER PIPELINES <br /> x x x <br /> --------------- <br /> figure 2b <br /> 0 50 150ft GROUNDWATER CONTOUR AND CHEMICAL CONCENTRATION MAP - AREAS B5 - B8 <br /> NEIGHBORHOOD B, PARCEL 209-06-08 <br /> SEPTEMBER 15, 2010 <br /> SOURCE:SAIC,2006.MONITORING WELL LOCATIONS MW-1THRU MW-19 BASED ON FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES <br /> MID COAST ENGINEERING SURVEY DATED 9/22/09,COORDINATE SYSTEM US Mountain House Ca/ifornia <br /> STATE PLANE 1983,CA ZONE 3.BENCHMARK ELEV=62.315 FEET NAVD 88 DATUM. <br /> 060222-2010(009)GN-S0002 OCT 25/2010 <br />