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Table 2
<br /> Historical Groundwater Monitoring and Analytical Data
<br /> 7-Eleven Store#17334
<br /> 4501 North Pershing Avenue
<br /> Stockton CA
<br /> LWellD/ Ethyl- MtBE Dissolved
<br /> on Date Benzene Toluene Benzene Xylene TPH9 TPHd 8020 MtBE TBA DIPE EtBE TAME Notes Oxygen DTW SPT WTE
<br /> (pg/L) (pg/L) WWI-) (NgfL) (11g L) (pg/L) (pg/L) (Ijgn) (Ngn) I (tig/L) (IWL) (pgAL) (mg/L) feet) Meet} (feet)
<br /> MW-4
<br /> 669 12/19/97 51 <5 18 61 3,600 - 3,000 3,800 <1,000 <250 <250 <250 01 1879 000 -1210
<br /> 03/22/98 61 2 75 43 2,600 - - 3,100 <4,000 <200 <200 <200 02 1418 000 -749
<br /> 06/15/98 24 54 62 13 3,200 2,700 <2,500 <125 <125 <125 1 9 1417 000 -748
<br /> 08125/98 26 471 791 293 1,800 - - 1,220 <1250 <125 <125 <125 - 1558 000 -889
<br /> 12/29/98 <0 3 <0 3 <03 147 2,200 - - 3,360 845 <100 <100 <100 10 1542 000 -873
<br /> 02/17/99 <5 <5 53 <5 3,400 - 3,100 4,300 <1000 <250 <250 <250 03 1460 000 -791
<br /> 05/21/99 44 528 109 384 1,750 - - 4,710 <400 <100 <100 <100 06 1443 000 -774
<br /> 08/28/99 <3 <3 <3 <6 2,910 3,340 2,940 <400 <100 <100 <100 09 1600 000 -931
<br /> 11/24/99 <03 395 727 160 2,180 - 5,070 7,470 <800 <200 <200 <200 17 1597 000 -928
<br /> 02/02/00 <0 3 431 113 168 3,570 5,570 7,770 2,520 <125 <125 <125 16 1554 000 -885
<br /> 05/16/00 <5 <5 <5 <10 11900 -- 5,700 <5 000 <200 <200 <200 0 5 1350 000 -681
<br /> 08/08/00 <0 5 10 87 84 1,700 - - 6,000 <5,000 <200 <200 <200 03 1532 000 -863
<br /> 11/14/00 <50 <50 <50 <150 1,500 4,700 <2,500 <100 <100 <100 05 1551 000 -882
<br /> 02/06/01 88 <2 5 64 <7 5 1,700 4,100 <2,500 <100 <100 <100 05 1535 000 -866
<br /> 05/23/01 <0 5 <0 5 29 3 1,300 - - 3,900 <2,500 <100 <100 <100 03 1552 000 -883
<br /> 08/21/01 <2 5 62 82 11 1,900 - - 4,800 <5,000 <200 <200 <200 09 1694 000 -1025
<br /> 11/06/01 28 <1 <1 <1 900 3,100 <2,000 <500 <500 <500 09 1737 000 -1068
<br /> 01/09/02 <5 <5 <5 <5 1,680 - - 3,230 100 <5 <5 <5 09 1559 000 -890
<br /> 04/11/02 <0 5 83 057 057 400 - 1,900 3,000 <500 <50 <50 <50 1 0 1604 000 -935
<br /> 07/10/02 <05 6 1 1 1 1 510 2,000 2,800 530 <50 <50 <50 1 2 1725 000 -1056
<br /> 10/15/02 <0 5 51 082 094 390 - 1,100 1,100 810 <25 <25 <25 1 0 1814 000 -1145
<br /> 03/27/03 <0 50 <0 50 <0 50 <0 50 860 -- 420 740 <0 50 <0 50 17 08 1691 000 -1022
<br /> 05/20/03 <0 50 <0 50 <0 50 <0 50 590 - -- 290 1,200 <0 50 <0 50 10 14 1678 000 -1009
<br /> 08/14/03 <1 5 <1 5 <1 5 <15 330 - -- 290 3,200 <1 5 <1 5 <1 5 03 1843 000 -11 74
<br /> 12/05/03 1 2 <0 50 <0 50 0 65 500 - - 120 2,300 <0 50 <0 50 <0 50 0 1 19 62 0 00 -12 93
<br /> 117 Elevenl7-11 Stores1173341Tables117334 03-4Q AsHistoncal Water Page 4 of 6
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