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TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> RW2 12/08/03 676 1914 -1238 000 68 9 196 106 462 1,400 h 63 7
<br /> RW2 12/08/03 676 <0 5*
<br /> RW2 03/02/04 676 1761 -1085 000 586 171 113 628 5,460 h 850
<br /> RW2 03/02/04 676 <0 5*
<br /> RW2 06/28/04 676 1883 -1207 000 -- -_ -_ -- -- --
<br /> RW2 06/29/04 676 -- -- 190 68 421 212 1,840 h 271
<br /> RW2 06/29/04 6 76 <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 19.33 -1257 000 -- -- -- _ - _
<br /> RW2 12/02/04 6 76 - -- -- 188 8 3 365 221 1,530 h 258
<br /> RW2 12/02/04 676 <0 5*
<br /> RW3 05/22/90 889 3095 -2206 000 16,000 41,000 5,500 31,000 160,000 --
<br /> RW3 12/19/90 8 89 3302 -2368 061 Not sampled-LPH
<br /> RW3 01/30/91 889 3373 -24 12 098 Not sampled-LPH
<br /> RW3 05/02/91 8 89 32 75 -2347 0 54 Not sampled-LPH
<br /> RW3 07/16-17/91 8 89 3372 -2449 047 Not sampled-LPH
<br /> RW3 10/15/91 8 89 3527 -2558 1 10 Not sampled-LPH
<br /> RW3 01/28/92 8 89 3269 -2370 0 14 Not sampled-LPH
<br /> RW3 04/30/92 889 3227 -2334 006 Not sampled-LPH
<br /> RW3 08/13/92 8 89 3467 -25 50 039 Not sampled-LPH
<br /> RW3 10/08/92 889 3536 -2606 056 Not sampled-LPH
<br /> RW3 02/23/93 889 3134 -2245 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 8 89 2963 -2074 000 18,000 22,000 2,900 15,000 96,000 --
<br /> RW3 02/17194 8 89 2927 -2038 000 9,600 14,000 2,200 9,600 70,000 --
<br /> RW3 05/10/94 889 2881 -19 92 000 10,000 16,000 2,200 10,000 76,000 --
<br /> RW3 08/02/94 8 89 3035 -2146 000 -- -- -- -- --
<br /> RW3 11/01/94 8 89 3059 -2170 000 11,000 16,000 2,800 14,000 92,000 --
<br /> RW3 02/17/95 889 2808 -1919 000 9,800 12,000 2,600 11,000 79,000 --
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