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LEGEND `\ <br /> Ill HISTORICAL BORING LOCATION <br /> O MONITORING WELL LOCATION <br /> ® DEEPER ZONE MONITORING WELL LOCATION <br /> ® VAPOR EXTRACTION WELL LOCATION , FORMER SHELL <br /> 291ND15' TPHc1BENZENE SOIL CONCENTRATIONS IN ,\�y CRUDE OIL PIPELINES <br /> MILLIGRAMS PER KILOGRAM(mglkg)IDEPTH IN FEET <br /> a <br /> ND NOT DETECTED ,�� 0 40 80ft <br /> , <br /> * EXTRACTED OUTSIDE RECOMMENDED HOLDING TIME \\ <br /> �® <br /> NOTES: �B-1 <br /> w <br /> B-8-B-12 SAMPLED ON JANUARY 23 AND 24,2002. <br /> B-43-B-45,AND B-57 SAMPLED ON OCTOBER 17,2002. ,o <br /> B-57 SAMPLED ON MARCH 18,2003. \` <br /> MONITORING WELLS MW-2-MW-4 SAMPLED IN JULY <br /> 2010•MW-12 SAMPLED IN JULY 2011.VAPOR �'� B-2 <br /> EXTRACTION WELL VW-1 SAMPLED ON JUNE 15,2011. <br /> , <br /> , <br /> , <br /> , <br /> \ <br /> , <br /> 8 �°� B4 <br /> 3 <br /> _ B-8 <br /> B-6 ,' 571ND15' <br /> \: B-5 B-9 MWA.30 <br /> ` 1.11ND110' 30,5901ND14' NDINDIV <br /> a 1.31ND125' ND/ND/10' <br /> 201ND15' <br /> \\ 31,7801ND110' NDIND115' <br /> `l B-43 23,3001ND115' <br /> NDIND120' <br /> NDIND111' NDIND125' B-12 <br /> 0 31,TOD1ND120' <br /> B-7 NDIND121' 20,0801ND125' ND/ND/30' 1.31ND15' <br /> ®\ <br /> ND/ND/32' 2.11ND130' NDIND135' 1.71ND115' <br /> 21ND120' <br /> MW-3 B-45 19,8001ND125' <br /> NDIND110' NDINDI9' 1661ND130' <br /> \� NDIND120' ND1ND119' 6.71ND135' <br /> VW-1 , ND1ND130' <br /> ND1ND15' NDIND140' <br /> B-10 28,00010.14110' `\ ®MW 13B MW 4 <br /> 2.61ND15' \ NDlNDl5' <br /> 1.51ND110' NDIND110' <br /> 1.21NDII 5' w NDIND115' <br /> 1.2/ND/20` B-70 ;Ef'C;I2 NDIND120' <br /> 2,6001ND125' <br /> yy 34,0001ND/25' <br /> ` .s1 _ .-'.•rr <br /> 1.71ND130' B-57 NDIND130' <br /> r <br /> 1.61NDI35' ND/ND/40' ND/ND/35' <br /> 2.81ND145' NDIND/40' <br /> B-44 MW-2 �t ND1ND150' NDIND145' <br /> NDINDI9' 29*IND15' MW-12 \�\ <br /> NDIND114' 13,0001ND110' ND/ND/5' ---B-13 <br /> NDIND119' 21,000*IND115' ND/ND/10' • ND1ND15' <br /> 36,000*1ND120' NDIND115' B-11 ��� NDIND110' <br /> 79,0001ND125` NDIND120' 11.11ND15' <br /> 79,000*17.4130' NDIND125' 1.71ND110' <br /> 47,000'13.5135' ND/ND/30' 1.11ND120' \� <br /> 1,800*IND140' ND/ND/35' 1.41ND130' \ <br /> ND*IND145' ND1ND140' <br /> ND/ND/45' ;i figure 4 <br /> SOIL CHEMICAL CONCENTRATION DATA <br /> FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES <br /> 13ASE MAP:SAIC SHELL PROPOSED BORING LOCATIONS MAP DATED 05107108.CLAYTON CORDES RANCH <br /> GROUP SERVICES PREVIOUS SOIL BORING LOCATIONS DRAWING DATED 8128102. <br /> SOURCE:WELLS MW-1 THRU MW-11 AND BORINGS B0,139,R10,B12,B15,B20,133B,852, Tracy California <br /> a B54,B55,AND B89 LOCATIONS BASED MID COAST ENGINEERING SURVEYS DATED <br /> 8113110 AND 9113110,US STATE PLANE 1983,CA ZONE 3(NAD 1983),NAVD 88.ALL <br /> OTHERS BASED ON CLAYTON DRAWING REFERENCE ABOVE. <br /> 060223-2014(033)GN-SO004 MAY 1612014 <br />