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or <br /> TABLE 2 <br /> Historical Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton, California <br /> Well IDI Ethyl- MTBE Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPH-GTPH-D 8020 8260 TBA DIPE ETBE TAME Oxygen DTW SPT WTE <br /> TOC !L L 1L !L !L L /L !L 1L !L (m/L feet feet feet <br /> Groundwater Grab Samples <br /> GP3 02/20/97 211 <0 5 <0 5 055 930 1,700 - - - - - - <br /> GP4 02/20/97 9,100 33,000 3,900 24,000 150,000 - 100,000 84,000 - - - - - - - <br /> GP7 02/20/97 <0 5 <0 5 <0 5 <0 5 <50 <5 - - - -- - -- <br /> Monitoring Well Samples <br /> MW-1 <br /> 734 12/19/97 1,200 1,100 580 1,500 15,000 -- 9,900 14,000 <4,000 <1,000 <1,000 <1,000 016 1893 000 -1159 <br /> 03/22/98 2,200 3,400 880 3,200 23,000 - 11,000 <10,000 <500 <500 <500 019 1430 000 -696 <br /> 06/15/98 5,000 7,200 1,700 8,800 52,000 - 21,000 <10,000 <500 <500 <500 150 1443 000 734 <br /> 08/25/98 _ _ - _ <br /> Well destroyed 08/14/98 and replaced by MW-5A on 08/25/98 <br /> MW-1A <br /> 7 26 12/19/97 41 88 56 270 2,600 280 350 <100 <25 <25 <25 013 1888 000 -1162 <br /> 03/22/98 15 61 13 65 560 - 360 <500 <25 <25 <25 022 1423 000 -697 <br /> 06/15/98 85 89 084 63 <100 31 <100 <5 <5 <5 1 80 1437 000 726 <br /> 08/25/98 - <br /> Well destroyed 08/14/98 and replaced by MW-5b on 08/25/98 <br /> MW-2 <br /> 8 64 12119/97 <0 5 <0 5 <0 5 <0 5 290 <50 <5 <5 <20 <5 <5 <5 014 1989 000 -1125 <br /> 03/22/98 ND 1 6 0 68 27 ND - <10 <100 <5 <5 <5 017 1525 000 -661 <br /> 06/15/98 <0 3 <0 3 <0 5 <0 fi <100 <10 <100 <5 <5 <5 210 1548 000 -684 <br /> 08/25/98 0 363 1 11 254 129 170 <5 <50 <5 <5 <5 1607 000 -743 <br /> 12/29/98 <03 <0 3 <0 3 <0 61 <50 <5 <20 <5 <5 <5 0 70 1670 000 -806 <br /> 2/17199 <0 5 <0 5 <0 5 <0 5 <50 <5 <5 <20 <5 <5 <5 120 1584 000 -743 <br /> 05/21/99 0,73 065 <0.3 1151 <50 <5 <20 <5 <5 <5 080 1576 000 -7,42 <br /> MW-3 <br /> 7 44 12/19137 1.5 1.9 1.9 0.99 640 6,6 10 <20 <5 <5 <5 025 1915 000 -11 71 <br /> 03/22/98 ND 1 3 42 32 260 - <10 <100 <5 <5 <5 040 1457 000 -713 <br /> 06/15198 <3 7.4 43 94 2,400 »- - 25 <100 <5 <5 <5 120 1467 000 -7.23 <br /> 08/25/98 <0 3 <0 3 <0 5 <0 6 <50 - <5 <50 <5 <5 <5 - 1685 000 -941 <br /> L12129/98 <0 31 <0 3 <p 3 <0 61 123 <5 <20 <5 <5 <5 0 90 15 88 000 -844 <br /> ' 17334TB2 WK4 Page 1 of 2 <br />