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I Table 1 Groundwater Monitoring D ita and Analytical Results Chevron Service Station#9-8264 3775 Tracy Boulevard Tracy,California SP14 5VOCs VOLS WELL IDI TOG GWE DTW SPHT REMOVED TPH-A TPH-G J3 T E x MTBE TOG (EPA$170) (EPA 8010) DATE 011) (MSS (ft) (ft) (gallons) (Ppb) (Ppb) (pp ) (Ppb) (ppb) (PPB) (PPS) (ppb) (Ppb) (Ppb) MW-3(cont) 05/17/01 1788 852 936 000 000 <50 0� <200 <2 0 <2 00 <2 00 <2 00 4,390 -- -- -- 07/18/01 1788 8 16 972 000 000 7510E <500 <5.0 <5 0 <5 0 <5 0 2,90015,3008 -- -- -- 10l24/01 1799 8 15 973 600 000 80 E x-490 <0 50 <0 50 <0 50 <1 5 6,20016,3008 - '- 1 <1 0 940 1,100 5,460 630 -- 01/23/02 1788 847 941 000 000 2,200` 76,000 - 04/18/02 17 88 8 17 971 000 000 60 1 +l 160 <0 50 <0 50 <0 50 <1 5 2,00012,200$ - -- 07115/02" 1788 783 1005 000 000 69+2'1 130< 0 5 <0 5 <0 5 <0 5 2,300 -- -- -- 10/28/0211 1788 822 966 000 000 62 I I+ 951 <0 5 <0 5 <0 5 <0 5 1,300 -- -- -- +1 11 < 5 <0 5 <0 5 <0 5 910 - -- -- 01/27/03 r 17 88 8 64 9 24 0 00 0 00 <50 58� 04128103" 1788 850 938 000 000 57 741 < 5 <0 5 <0 5 <0 5 1,100 -- -- - 07/28103" 1788 753 1035 000 000 76 511 < 5 <0 5 <0 5 <0 5' 1,100 -- -- -- 10127103" 17 88 8 07 9 81 0 00 0 00 <50€ <50 < 5 <0 5 <0 5 <0 5 1,200 -- -- -- 01/26/0411 17$8 8 36 9 52 0 00 0 00 <50 53! < 5 <0 5 <0 5 <0 5 1,000 -- -- - i 04/26/0411 1788 838 950 000 000 55 <50 < 5 <0 5 <0 5 <0 5 850 -- -- 07126/04" 1788 796 992 000 000 51 € <56 < 5 <0 5 <0 5 <0 5 650 10/27104'1 1788 827 961 000 000 100 1 <50 < 5 <0 5 <0 5 <0 5 370 01/24/0511 1788 825 9 63 000 000 73 F <50 < 5 <0 5 <0 5 <0 5 180 -- -- -- 04/28/0511 1788 924 964 000 000 <50 <50 < 5 <0 5 <0 5 <0 5 140 -- -- -- <50 <50 < 5 <0 5 <0 5 <0 5 100 07/28/0511 1788 691 1097 0 00 000 MW-4 +' 05/24/96 1789 882 907 -- -- <50� <50 <0 5 1 8 <0 5 <0 5 91 -- -- -- 08/20/96 1789 797 992 -- -- <50 f <50 <0 5 <0 5 <0 5 <0 5 1202. -- -- <50 <50 < 5 <0 5 <0 5 <0 5 33 -- -- 11l05196 l7 89 8 47 9 42 -- -- -- 01/07/97 1789 1005 784 - -- <50' <50 < 5 <0 5 <0 5 <0 5 32 -- -- -- ' <05 <05 58 02/07/97 1789 1006 783 -- -- <50< <50 < 5 <0 5 -- -- "" 05/21/97 1789 835 954 -- -- <50 <50 < 5 <0 5 <0 5 <0 5 140 -- -- -- 08/27/97 1789 833 956 - -- 110'€ <50 < 5 <0 5 <0 5 <0 5 45 -- -- -- 11/24/97 1789 861 928 -- -- 150' , <50 <11 5 <0 5 <0 5 <0 5 21 -- -- -- 02/12/98 1789 11 19 670 -- -- 501 <100 <1 0 45 <1 0 12 190 -- -- -- + 06/09/98 1789 3 51 1438 -- -- 791 ' <50 <0 5 <0 5 <0 5 <0 5 570 -- -- -- 08/10/98 1789 846 943 -- -- <50+ 150 3 17 <0 5 2 1 1,100 -- -- }- 11/24/98 1789 838 95t -- -- 100', <50 < 5 <0 5 <0 5 <0 5 650 -- 03/05/99 1789 914 875 -- -- 84 7! „5419 < 5 <0 5 <0 5 , <0 5 622 -- -- - 06l01199 1789 842 9 55 010 005 -- -- - -- -` 07/28/05 9-8264*86854