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TC42
<br /> Historical Groundwater Monitoring and Analytical Data
<br /> 7-Eleven Store 920632
<br /> 4627 Da Vinci Drive
<br /> Stockton,CA
<br /> Well IDI FBenzene
<br /> thyl- MtBE " a.. Dissolr►ed
<br /> Elevation Date Benzene Toluene' Xylene TPH9 8024 MtBI= "TBA DIPS ELBE TAME Notes Oxygen. DT11V .SPT WTE
<br /> OC (YgIL) {pg/L} iY IL} (YgIL). (YgIL} ,"( L} {Y�t 1 CY91Ll" [Y91L) {4t91L) (Y91L} (mglL} (feet} (feet}" {feet).
<br /> MW-2
<br /> 2.82 10/17/97 <0.5 <0.5 <0.5 <0.5 440 1,800 2,300 -- -- -- -- -- 8.37 0.00 -5.55
<br /> 03/22/98 ND ND ND 0.78 ND -- 2,000 ND ND ND ND 0.2 6.61 0.00 -3.79
<br /> 06/15/98 <0.3 <0.3 <0.5 <0.6 1,300 -- 1,600 <2,000 <100 <100 <100 1.5 6.84 0.00 -4.02
<br /> 08/25/98 0.558 <0.3 <0.5 <0.6 1,550 1,610 <2,000 <200 <200 <200 -- 7.70 0.00
<br /> 12/29/98 <0.3 <0.3 <0.3 <0.6 2,130 -- 5,280 <800 <200 <200 <2,000 0.4 7.76 0.00 -4.94
<br /> 02/17/99 <0.5 <0.5 <0.5 <0.5 770 3,300 4,900 <1,000 <250 <250 <250 0.9 6.13 0.00 -3.31
<br /> 05/21/99 3.85 <1.5 <1.5 <3 1,180 -- 5,340 <400 <100 <100 <100 0.8 7.37 0.00 -4.55
<br /> 08/28/99 <0.3 <0.3 <0.3 <0.6 2,100 -- 5,130 <800 <200 <200 <200 0.8 7.95 0.00 -5.13
<br /> 11/24/99 0.4 2.88 <0.3 '1.77 3,490 5,830 7,450 <800 <200 <200 <200 1.8 7.85 0.00 -5.03
<br /> 02/02/00 <0.3 <0.3 <0.3 <0.6 2,010 4,000 407 2,090 <10 <10 <10 1.0 6.95 0.00 -4.13
<br /> 05/16/00 <5 <5 <5 <10 1,200 -- 4,500 <5,000 <200 <200 <200 0.7 6.79 0.00 -3.97
<br /> 08/08/00 <0.5 <0.5 <0.5 <1 <100 -- 3,300 <2,500 <100 <100 <100 0.3 7.70 0.00 -4.88
<br /> 11/15/00 <50 <50 <50 <150 620 -- 3,000 <2,500 <100 <100 <100 0.6 7.10 0.00 -4.28
<br /> 02/07/01 <0.5 <0.5 0.6 <1.5 660 -- 1,800 <1,200 <50 <50 <50 a 0.9 6.99 0.00 -4.17
<br /> 05/23/01 <0.5 <0.5 <0.5 <1 640 -- 2,100 <2,500 <100 <100 <100 1.0 7.30 0.00 -4.48
<br /> 08/21/01 1 1.1 0.6 1 940 2,800 <2,500 <100 <100 <100 0.4 7.85 0.00 -5.03
<br /> 11/05/01 2.1 7.4 3.4 13 680 -- 6,600 <2,000 <500 <500 <500 1.1 7.80 0.00 -4.98
<br /> 01/09/02 <5 <5 <5 <5 2,630 -- 81950 <20 <5 <5 9 1.0 5.32 0.00 -2.50
<br /> 04/10/02 <1 <1 <1 <1 <100 2,200 1,900 <620 <62 <62 <62 1.0 7.30 0.00 -4.48
<br /> 07/10/02 <1 <1 <1 <1 <100 3,300 4,700 9,600 <50 <50 <50 1.2 7.65 0.00 -4.83
<br /> 10/16/02 <0.5 <0.5 <0.5 <0.5 <50 2,200 2,400 5,300 <33 <33 <33 1.0 7.90 0.00 -5.08
<br /> 03/26/03 <5.0 <5.0 <5.0 <5.0 <500 -- 2,900 470 <5.0 <5.0 <5.0 d 0.7 7.18 0.00 -4.36
<br /> 05/20/03 <5.0 <5.0 <5.0 <5.0 <500 -- 2,600 200 <5.0 <5.0 <5.0 0.3 7.40 0.00 -4.58
<br /> 08/01/03 <5.0 <5.0 <5.0 <5.0 <500 -- 2,000 1,800 <5.0 <5.0 <5.0 0.1 8.02 0.00 -5.20
<br /> 10/23/03 <10 <10 <10 <10 <1,000 -- 660 24,000 <10 <10 <10 1.5 7.31 0.00 -4.49
<br /> 01/12/04 <1.5 <1.5 <1.5 <1.5 <200 -- 680 15,000 <1.5 <1.5 <1.5 0.2 6.22 0.00 -3.40
<br /> 04/27/04 <5.0 <5.0 <5.0 <5.0 <500 -- 750 7,300 <5.0 <5.0 <5.0 0.6 7.37 0.00
<br /> 07/08/04 <0.50 <0.50 <0.50 <0.50 <50 -- 950 2,700 <0.50 <0.50 0.91 0.7 7.69 0.00 -4.87
<br /> 10/08/04 <1.0 <1.0 <1.0 <1.0 <100 -- 490 100 <1.0 <1.0 <1.0 0.2 7.82 0.00 -5.00
<br /> 02/18/05 <0.90 <0.90 <0.90 <0.90 <90 -- 680 <5.0 <0.90 <0.90 <0.90 0.3 5.97 0.00
<br /> 06/08/05 <1.5 <1.5 <1.5 <1.5 <150 -- 620 <7.0 <1.5 <1.5 <1.5 0.1 7.29 0.00 -4.47
<br /> 09/01/05 <0.50 0.79 <0.50 0.80 <50 -- 260 <5.0 <0.50 <0.50 <0.50 2.8 7.85 0.00 -5.03
<br /> IA7-Elevenl7-11 StoresU0632\Tables\20632 Current Groundwater.xlsHistorical Water Page 3 of 8
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