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WEST-SOUTHWEST LINE OF CROSS-SECTION A-A' EAST-NORTHEAST EXPLANATION <br /> MW-15 B' <br /> B MW-18D2 Cpl-g CPT-10 MW-14 MW-18D2<--BORING/MONITORING WELL DESIGNATION <br /> 20 Sg-7 CPT-5 MW-g(A) HP-4 CPT-8 20 0R'NGl MONITORING WELL(DASHEDLINE <br /> MW-15D WHERE PROJECTED) <br /> CPT-6 <br /> MW-6 CPT-7 MW-11(A) MW-9S(A) I MW 2(A) <br /> MW-1 A M -9A(A) MW-10(A ANALYTICAL RESULTS FOR TPH AS <br /> fl/e� <br /> GASOLINE/BENZENE IN HYDROPUNOH <br /> I SAMPLE(p9A) <br /> <—ANALYTICAL RESULTS FOR TPH AS <br /> 1 j I I I I I GASOLINE/BENZENE IN GROUNDWATER <br /> I I I I I I I 0 I MONITORING WELL SAMPLE(pgA) <br /> 0 1 j I < GROUNDWATER ELEVATION(k-MSL;DATE <br /> HISTORIC HIGH GROUNDWATER ELEVATION-6.51'8/31/11) I 1 I I SAMPLED) <br /> PERFORATED WELL INTERVAL <br /> I I I <br /> <50/c0.5tty <br /> TD-X'.<—TOTAL BORING DEPTH(1bg) <br /> c50<O.5t TD=3I0' TD=0' <br /> -20 1 <50/c0.5% TD=32' TD32' <br /> 10 FORMER LISTS(REMOVED <br /> 1990) <br /> ER ELEVATIO 7 1100I <br /> WI J� <br /> HI <br /> IN 11 00/ 0" ,4 1' I �� <br /> .34.86:11/10192) i)."ll <br /> <50/ .5T 10 <50/<0.5t I 1 t J�OSI <50/<0.5t CONTOUR OF MAXIMUM BENZENE <br /> QQQ �OOI <br /> -40 I 7D=$1' 9 p \ 40 CONCENTRATIONS IN NO DRAG DOWN(pg�GROUNDWATER, <br /> J 8.1 1 .0 /.2T I 2 ,Ylf <br /> 10o I I 1111�rr az,00/3s, o§ - ' <br /> D=57' WELL ABANDONED <br /> TD=6.5' I I I 1 900 OO n6,0 ^ TD=60' (A) <br /> 3,1 n '+ TD--60' I I I DATUM NOT USED FOR CONTOURING, <br /> 3,4 60§§ I I I DRAG-DOWN CONCENTRATIONS. <br /> I I <br /> -60 I I I J s0 <br /> I <br /> 100 <br /> I I <br /> I --f0 I TD 80' 5.500/50-10 <br /> in I I <br /> � I � <br /> z .I 1 I -80 Z <br /> I <br /> z0 -90 I I I O <br /> s7aNSJ" <br /> 15.000/530'41i w <br /> w <br /> ) I I <br /> +/I 4,000/1§§ I I -100 <br /> -100 1,500/3'1 j <br /> TD=115' TD=115' I <br /> I I J <br /> ✓ 6,500/3.100• <br /> TD=125' SCALE IN FEET <br /> TD=130 <br /> -120 . 1 TD 131, <br /> - -120 <br /> TD=135' I 0 10 20 <br /> i <br /> 1 <br /> t <br /> i <br /> I CHEVRON ENVIRONMENTAL MANAGEMENT COMPANY <br /> § HYDROPUNCH SAMPLE COLLECTED ON SEPTEMBER 7,2000 { - <br /> -140 - §§ HYDROPUNCH SAMPLE COLLECTED ON MARCH 30,2004 140 FORMER SERVICE STATION#9-0557 <br /> t SAMPLED FOR FIRST QUARTER 2003 GROUNDWATER MONITORING ON JANUARY 3 AND 4,2003 I 139 SOUTH CENTER STREET <br /> 1 STOCKTON,CALIFORNIA <br /> $ SAMPLED FOR THIRD QUARTER 2006 GROUNDWATER MONITORING ON AUGUST 23,2006 <br /> i FIGURE 7-CROSS-SECTION B—B' <br /> GROUNDWATER GRAB SAMPLE,COLLECTED BETWEEN JANUARY 19,2011,AND I WITH GROUNDWATER ANALYTICAL RESULTS, <br /> FEBRUARY 17,2011 NO DRAG-DOWN <br /> -160 '• SAMPLED FOR THIRDOUARTER 2011 GROUNDWATER MONITORING ON AUGUST31,2011 I -160 <br /> 1 HOLGUIN,FRHAN&ASSOCIATES,INC. <br /> 7D-ns <br /> REVISION DATE:JANUARY 19,2012:MGH <br />