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Table 2 <br /> Historical Groundwater Monitoring Results <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton,Caldomia <br /> Well IDI' - Ethril- - 'MTBE MTBE - Dissolved <br /> llevatloP j- i�nj000 loluefte Nrilen4 Xyiiene� :t:PH-443�]:fPJ4-D 8020 8x60 tBA DIPt ETBE TAMC Oxygen DTW SPT WTE <br /> (Tflc) bate 1C /C n !L IC /I~ !C IL IL IC m IC feet feet feet <br /> Groundwater Grab Sam les <br /> GP3 02/20/97 21 <0,6 - <O,S --0561 930 -- 1l 700 <br /> GP4 02/20/97 9,100 1 33,000 1 3,900 124,000 1 150,000 — 100,000 184,000 1 — — — — <br /> GP7 102/20/97, - <0,5 - <a 5 <0 5 <D,51 <50 <br /> Monitorinj I Well Sam les <br /> M W-1- <br /> 7 34 12/19/97 -1,200° 1,100 $80 1 500 -15,000 -9,9W 14,000 <4,000 0 O00 <1,000 <1,000 02 1893 000 =11 59 <br /> 03/22/98 2,200 3,400 880 3,200 23,000 — _ 11,000 <10,000 <500 <500 <500 02 1430 000 -696 <br /> 06/15/98 3,000 T,200 1,700 8,8 ,00 .52,000 �- -21,000 ct0,000 <500 <504 -<500 1 5 1443 000 -709 <br /> 08/25/98 — — — — -- <br /> Well destroyed 08114198 and replaced 6y MW-5A on 08125198 <br /> MWi1A - <br /> 726 12119197 41 88 56 270 2,600 280 350 <100 <25 <25 <25 01 18,88 000 --1162 <br /> 03/22/98 15 61 13 65 560 — 360 <500 <25 <25 <25 02 1423 000 -697 <br /> 06115198 85 8 9 084 63 4100 - - - -31 <100 —,.�5 <5. <5 18 1437 000 -711 <br /> 08/25198 — — <br /> Well destroyed 08/14/98 and repldced by MW-513 on 08125/98 - <br /> MW-2 <br /> 864 12119/97 <0 5 �0 5 .<O 5 <05 290 X50 �5 <5 <20 <5 <5 <5 01 1989 000 -1125 <br /> 03/22/98 ND 16 068 27 NQ — <10 <100 <5 <5 <5 02 1525 000 -661 <br /> 06/15/98 <0,3 <0 3 <0 5 <O.6 4100 <10 <100 <5 � <5 <5 -2 1 1548 000 '-6 84 <br /> 08/25/98 0 363 1.11 254 129 170 — <5 <50 <5 <5 <5 — 1607 000 -743 <br /> 12/29/98 <0,3 <0 3 <0,3 <0,6 . <50 <5 <20 <5 <5 <5 0 7 16 70 0 00 -8 06 <br /> 02/17/99 <0 5 <0 5 <0 5 <0 5 <50 — <5 <5 <20 <5 <5 <5 121 1584 000 -720 <br /> 05/21199 0.73 = 0,65 0 3 15 - <50 <5 <20 <5 -6 08 1576 000 -712 <br /> 08/28/99 <0 3 <0 3 <0 3 <0 6 78 <5 <5 <20 <5 <5 <5 09 1730 000 -866 <br /> 11/24/99 �0 3 x'03 0.8 - 0.76 X50 - 5 <5 •<20 <5 <5 45 7 17-25 000 -861 <br /> 02/02/00 <0 3 <0 3 156 215 156 — <5 <5 <20 <5 <5 <5 13 16 80 000 -816 <br /> 05/16/00 <0 5 <0 5 <0 5 ,t1 k00 �- 'Z1 <50ff<�2 <br /> <2 <2 0 5 14 95 0 DO ri�31 <br /> 08/08/00 <0 5 <0 5 <0 5 <1 <1OO <1 <50 <2 <2 05 1667 000 -803 <br /> 11/14/00 r 092 W0 s ri <0, x1 5 <100 •� - <2 <2 0 6 16 90 0 00 -826 <br /> 02/06/01 <0 5 <0 5 0 59* <1 -<100 — <1 <50 <2 <2 10 1667 000 -803 <br /> 05123 - 5 X11,5 „ "<1 �. .5 <50 � <2 D 8 15.99 0 00 -735 <br /> 7-11/17334 tbl As 1 of 3 6-12-01 <br />