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�� ■w� �� �� �� pis � � � � I• !• >• � I� � � i• <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration ( L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> IWl 01/30/91 7 80 3022 -2242 000 240 44 350 820 3,500 -- <br /> IW 1 05/02/91 780 3011 -2231 000 150 25 230 520 2,500 -- <br /> IW I 07/16-17/91 7 80 31 07 -2327 0 00 -- -- __ __ <br /> IW 1 10/15/91 7 80 3165 -2385 0 00 120 36 280 390 3,400 -- <br /> IWI 01/28/92 7 80 2991 -22 11 0 00 130 25 330 500 3,600 -- <br /> 1WI 04/30/92 7 80 2949 -21 69 0 00 -- -- -- __ __ <br /> IW i 08/13/92 780 31 53 -2373 000 19 3 7 50 70 650 -- <br /> I W 1 10/08/92 7 80 32 13 -2433 000 -- -- -- __ -- <br /> M 02/23/93 7 80 2878 -2098 000 <br /> IWl 05/18/93 7 80 -- -- __ <br /> lW l 08/22/93 780 2770 -1990 000 <br /> I\V I 12/30/93 7 80 2750 -1970 000 <br /> W 1 02/17/94 780 27 17 -1937 000 -- -- -- __ __ <br /> I1V I 05/10/94 780 2886 -1906 000 41 7 7 180 230 2,000 -- <br /> 1W 1 08/02/94 780 2829 -2049 000 55 3 8 210 240 2,100 -- <br /> IW I 11/01/94 780 28 64 -2084 000 36 <1 0 170 220 1,900 -- <br /> 1W 1 02/17/95 7 80 2603 -1823 000 73 <25 410 470 5,000 -- <br /> 1W l 05/11/95 7 80 2347 -1567 000 58 <10 350 400 4,700 -- <br /> I W 1 08/24/95 7 80 2481 -1701 000 67 54 430 420 4,100 -- <br /> IW I 10/19/95 7 80 25 35 -1755 000 29 <5 0 370 370 4,000 43 <br /> iW 1 02/13/96 780 23 11 -1531 000 58 <5 0 370 390 5,400 -- <br /> I W 1 04/18/96 780 2080 -1300 000 60 <5 0 470 450 6,100 38 <br /> W l 08/08/96 7 80 2202 -1422 000 -- -- -- __ __ <br /> IW I 11/04/96 7 80 2246 -1466 0 00 50 <5 0 320 290 3,800 <25 <br /> 11'x'I 02/03/97 7 80 17 87 -1007 0 00 48 <5 0 300 310 4,300 71 <br /> IW 1 05/08/97 690 17 52 -1062 0 00 <2 5 <2 5 170 150 2,600 16 <br /> INVI 08/26/97 690 1931 -1241 000 17 <2 5 130 97 2,400 14 <br /> IW I 11/11/97 690 19 85 -1295 0 00 30 <10 160 130 2,200 <50 <br /> IW 1 03/03/98 690 14 11 -721 0 00 21 <5 0 220 170 2,900 <25 <br /> I W I 03/03/98 690 <5 9* <br /> I W I 05/20/98 690 14 15 -725 000 17 <10 160 93 2,600 <50 <br /> 1w 1 05120/99 690 <2 0* <br /> g Sprolects1739421uiasterlwp`g1203L39421,w As Page 1 of 51 <br />