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<br /> Historical Groundwater Monitoring and Analytical Data
<br /> 7 Eleven Store 014117
<br /> 2725 Country Club Boulevard
<br /> Stoolaon CA
<br /> Well 101 Ethyl- MtBE 1,2- Meth- Eth- Ace- Dissolved
<br /> Elevation Date Benzene Toluene Benzene Xylene TPHg 8020 MtBE TBA DIPE EtBE TAME DCA EDB anol enol tone Notes Oxygen DTW SPT WTE
<br /> TOC 1L 1L L L L L LIfug/L111(uLL L 1L 1L m feet feet feet
<br /> MW-1 12/02/03 53 <2 5 48 36 490 - 44 6,000 <25 <2 5 <2 5 <2 5 <2 5 <250 <25 - 01 908 000 -784
<br /> (CONT) 03/03/04 <2 5 <2 5 <2 5 <2 5 <250 - <2 5 8,700 <2 5 <2 5 <2 5 <2 5 <2 5 - -- 03 659 000 -545
<br /> 06/09/04 <3 0 <3 0 <3 0 <3 0 <500 - <3 0 6,400 <3 0 <3 0 <3 0 <3 0 <3 0 - - 03 804 000 -680
<br /> 09/16/04 <1 5 <1 5 <1 5 <1 5 <150 - 16 3,100 <1 5 <1 5 <1 5 <1 5 <1 5 - - - 20 962 000 -838
<br /> 12/21/04 <2 0 <2 0 <2 0 <2 0 <200 - <2 0 4,100 <2 0 <20 <2 0 <2 0 <2 0 -- - 08 959 000 -835
<br /> 01/28/05 <0 50 <0 50 <0 50 <0 50 <50 - 073 2,000 <0 50 <0 50 <0 50 <0 50 <0 50 -- - - 03 814 000 -690
<br /> 06/27/05 <0 50 <0 50 <0 50 <0 50 <50 -- <0 50 16 <0 50 <0 50 <0 50 <0 50 <0 50 - - - 05 740 000 4316
<br /> 09/30/05 <0 50 <0 50 <0 50 <0 50 <50 - <0 50 36 <0 50 <0 50 <0 50 <0 50 <0 50 - - 28 787 000 -663
<br /> MW-2
<br /> 068 08/28199 46 <1 93 12 360 - 800 <200 <50 <50 <50 - - - - - 04 895 000 -827
<br /> 11/24/99 226 042 339 <0 6 665 1,990 2,370 363 <50 <50 <50 - - - - 1 2 920 000 -852
<br /> 02/02/00 371 031 <03 215 2,740 4,880 6,300 6,780 <25 <25 <25 - -- - - - 1 3 896 000 -828
<br /> 05/16/00 <5 <5 <5 <10 890 - 3,000 <2 500 <100 <100 <100 -- - -- - 06 685 000 -617
<br /> 08/08/00 086 <05 <0 5 <1 380 - 2,000 <2,500 <100 <100 <100 - - - - - 04 826 000 -758
<br /> 11/15/00 <250 <250 <250 <750 1,900 - 9,800 <12000 <500 <500 <500 -- - - - 04 843 000 -775
<br /> 02/07/01 98 069 <0 5 18 3,900 - 11,000 <12,000 <500 <500 <500 - - - - 07 730 000 -662
<br /> 05/23/01 11 <0 5 96 <1 3,000 -- 10,000 26,000 <250 <250 <250 - - - - 08 725 000 -657
<br /> 09/25/01 310 47 11 14 410 - 36,000 65,000 <1 000 <1 000 <1,000 -- - - - - 06 948 000 -880
<br /> 11105/01 280 54 5S 19 3,400 - 9,200 98,000 <5,000 <5,000 <5,000 <5 000 <5 000 - - - 10 924 000 -856
<br /> 01/08/02 36 <5 <5 <5 860 - 1,730 141,000 <5 <5 <5 -- - -- - -- 1 0 615 000 -547
<br /> 04/12/02 3 36 14 <0 5 350 270 260 67,000 <5 <5 <5 - - - - -- 10 682 000 -614
<br /> 07/09/02 066 093 <0 5 <0 5 81 24 <200 47,000 <200 <200 <200 - -- - - - 09 723 000 -655
<br /> 10/16/02 <0 5 <0 5 <0 5 <0 5 <50 12 <12 11,000 <12 <12 <12 - - - - - 10 860 000 -792
<br /> 03/17/03 37 <2 0 <2 0 <2 0 <200 -- 48 4,100 <2 0 <20 <2 0 - - - - - 16 735 000 -667
<br /> 05129/03 82 <2 5 <2 5 <2 5 <250 -- 15 5,700 <2 5 <2 5 <2 5 - -- - - - 08 754 000 -686
<br /> 068 09/18/03 <1 0 <1 0 <1 0 <1 0 <100 - 12 1,900 <1 0 <1 0 <1 0 <1 0 <1 0 <100 <10 <10 1 1 901 000 -833
<br /> 12/02/03 1 2 <0 50 <0 50 <0 50 170 -- 82 1,400 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <5 0 - 01 832 000 -764
<br /> 03/03/04 1 2 <0 50 <0 50 093 490 - 12 2,200 <0 50 <0 50 <0 50 <0 50 <0 50 - - - d e 02 599 000 -531
<br /> 06/09/04 41 <0 50 <0 50 <0 50 110 -- 65 550 <0 50 <0 50 <0 50 <0 50 <0 50 - - 02 734 000 -666
<br /> 09/16104 <0 50 <0 50 <0 50 <0 50 94 - 66 520 <0 50 <0 50 <0 50 <0 50 <0 50 - - - 26 889 000 -821
<br /> 12/21/04 180 090 23 1 9 980 -- 39 1,400 <0 50 <0 50 <0 50 <0 50 <0 50 - - - f 07 890 000 -822
<br /> 01/28/05 760 29 15 57 3,200 - 150 1,700 <0 50 <0 50 <0 50 <0 50 <0 50 - - - 02 752 000 -684
<br /> 06/27/05 <0 90 <0 90 <0 90 <0 90 220 10 1,900 <0 90 <0 90 <0 90 <0 90 <0 90 - - 03 666 000 -598
<br /> 09/30/05 87 <0 50 <0 50 <0 50 130 - 68 480 <0 50 <0 50 <0 50 <0 50 <0 50 - -- - 26 712 000 -644
<br /> 117 Eleven{?-11 Stores1141171Tables114117 Current Groundwater AsH*torkal Water Page 2 of 7
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