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I li t Table 1 Groundwater Elevation and Analytical Data(CHEVRON) Chevron Service Station# '-4M 2905 West Benjamin Holt Dnve�I Stockton California E - - e - p -Groundwater, -� y , ',y,� �� i Y-» ��- o —4-' Well _ Date Elevation to Water -Elevation _ wI- ,0. a r e =� _ rTPHg f Benzene,Y "rToluene r benzene! s, x Xylenes MtBE ID - Sampled Notes (tt,M5L), -(tt,TOG} _{(M M5L) r, (N914) ;°` (NglL} fy nx (Ng/L);r "�s t SN91L} �-' �' „(P91L) (Ng1L) r MW-4 03/23/04 955 -674 _ 53 n V s <0 5 <0 5 <0 5 <0 5 7 (cont) 06122104 1138 -857 <50 <05 <0 5 <0 5 <D 5 6 09/21/04 1250 -969 <50 <05 <05 <05 <0 5 3 9 12/28/04 1120 -839 <50 <0 5 <0 5 <05 <0 5 5 03107/05 864 -583 92 <0 5 i <0 5 <0 5 <0 5 8 06130/05 Monitoring well destroyed MW-5 03/22/89 379 1718 -1339 4 000 35 23 110 760 - 06/12/89 1780 -1401 900 24 20 20 53 - 09l07189 1911 -1532 410 16 i 40 12 50 - 09/07/89 D - -- 380 15 40 11 49 - 12/18/89 1863 -1484 2,900 24 22 100 590 - 03120/90 1819 -1440 3 400 37 29 120 630 - i 07103190 1943 -1564 5 500 65 89 200 1,200 - 10119/90 2004 -1625 5,900 55 82 190 1,100 - 3 01/17/91 1998 -1619 4 900 26 51 140 830 - 03/19/91 -- - 6 800 18 f 24 21 790 -- 07/18/91 1972 -1593 7,600 60 65 190 800 - 10/31/91 2020 -1641 2,600 44 24 64 310 - 01/16/92 1960 -1581 5,400 120 72 250 1,000 -- 01/16/92 D - - 4 700 110 63 230 960 -- 03/11/92 1664 -1465 - - 03/17/92 1853 -1474 1,100 37 13 52 170 - 06/29192 2018 -1639 850 18 E go 25 200 - 12/10/92 2078 -1699 1,200 49 16 64 200 - 02104/93 1902 -1523 1,200 31 12 58 250 -- 05118l93 1674 -12 95c 2000 58 r 10 170 190 - 08/05193 1755 -1376 750 32 46 50 100 -- 11/09/93 1828 -1449 1400 29 `r 38 46 190 - 01/18/94 1777 -1398 1200 31 f 48 75 180 06/27/94 1719 -1340 150 11 62 ND 06 19 — I I� 9427E*Tables 1&3 P f 21 ECOR f -