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� � I• � � � � � I• 1• � I• � 1• � I• � I• � <br /> i s s <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(µg/L) <br /> WeII Elevation to Water Elevation Thickness Ethyl- <br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TP14-g MTBE <br /> RW2 03/02/04 676 <0 5* <br /> RW2 06/28/04 676 1883 -1207 000 -- -- -- -- -- -- <br /> RW2 06/29/04 676 -- -- -- 190 68 42 1 212 1,840 h 271 <br /> RW2 06/29/04 676 <0 5* <br /> RW2 09/27/04 676 1970 -1294 000 697 214 125 53 3 4,170 h 681 <br /> RW2 09/27/04 676 <0 5* <br /> RW2 12/01/04 676 1933 -1257 000 -- -- -- -- -- -- <br /> RW2 12/02/04 676 -- -- -- 188 8 3 365 22 1 1,530 h 25 8 <br /> RW2 12/02/04 676 <0 5* <br /> RW2 03/24/05 676 1744 -1068 000 103 3 0 18 4 8 8 894 h 7 9 <br /> RW2 03/24/05 676 <0 5* <br /> RW2 06/22/05 676 1749 -10 73 000 -- -- -- -- -- -- <br /> RW2 06/23/05 676 -- -- -- 151 4 0 224 86 1,190 h 168 <br /> RW2 06/23/05 676 <1* <br /> RW2 10/12/05 676 1892 -12 16 000 34 12 91 29 3,100 h <50 <br /> RW2 12/22/05 676 1872 -1196 000 36 <10 58 19 2,600 h <50 <br /> RW3 05/22/90 889 3095 -2206 000 16,000 41,000 5,500 31,000 160,000 -- <br /> RW3 12/19/90 889 3302 -2368 061 Not sampled-LPH <br /> RW3 01/30/91 889 33 73 -2412 098 Not sampled-LPH <br /> RW3 05/02/91 889 3275 -2347 054 Not sampled-LPH <br /> RW3 07116-17191 8 89 3372 -2449 047 Not sampled-LPH <br /> RW3 10/15/91 889 3527 -2558 1 10 Not sampled-LPH <br /> RW3 01/28/92 8 89 3269 -2370 0 14 Not sampled-LPH <br /> RW3 04/30/92 8 89 3227 -2334 006 Not sampled-LPH <br /> RW3 08/13/92 8 89 3467 -2550 039 Not sampled-LPH <br /> RW3 10/08/92 889 3536 -2606 056 Not sampled-LPH <br /> RW3 02/23/93 889 3134 -22 45 000 4,100 4,300 1,600 8,300 47,000 -- <br /> RW3 05/18/93 889 3002 -21 13 000 19,000 22,000 3,100 17,000 90,000 -- <br /> RW3 08/22/93 889 3060 -2171 000 18,000 22,000 2,800 16,000 110,000 -- <br /> RW3 12/30/93 889 2963 -2074 000 18,000 22,000 2,900 15,000 96,000 -- <br /> RW3 02/17/94 889 2927 -2038 000 9,600 14,000 2,200 9,600 70,000 -- <br /> RW3 05/10/94 8 89 2881 -1992 000 10,000 16,000 2,200 10,000 76,000 <br /> I <br /> g VprojectsV39421masterlwplq 120513942gw xis Page 38 of 59 <br /> I <br />