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i <br /> II Page 14 of 35 <br /> I I <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> 'ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> i I f II <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness,i Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (4,MSLI) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-8 6/5/97 NP 882 -- 1 -7 85 -168 900 13 14 47 13 <5 02 <br /> (cont) 8/19197 NP 1027 930 -145 1,000 13 4 24 084 <5 02 <br /> 11/25/97 NP 1047 - -950 -020 140 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/19198 NP 419 �i a -322 628 <50 <0 5 <0 5 <0 5 <0 5 <5 24 <br /> 6/24/98 NP 622 -525 '203 <50 <0 5 <0 5 <0 5 <0 5 57 15 <br /> 9/10/98 NP 804 - -707 -182 548 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/17/98 NP 804 - -707 000 <50 <0 5 <0 5 <0 5 <0 5 205 <br /> 3/10199 NP 583 -486 221 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 6122199 NP 776 -679 -1 93 <50 0 519 <0 5 <0 5 <0 5 <5 27 <br /> 9/13/99 NP 951 1 -854 -175 <50 <0 5 <0 5 <0 5 <0 5 <5 21 <br /> 12/16/99 NP 940 -- 1-843 0 11 <50 4 5 <0 5 <0 5 <05 307 Is <br /> 3/23100 NP 4 73 -- 3 76 467 <50 <0 5 <0 5 <0 5 <0 5 154 12 <br /> 6121100 NP 691 - { -594 -218 <50 <0 5 <0 5 <0 5 <0 5 <2 5 05 <br /> 9/13/00 NP 873 <br /> -776 -1 82 <50 <0 5 <0 5 <0 5 <0 5 <2 5 142 <br /> 12/15/00 P 820 -723 053 444 0 741 0 802 <0 500 <0 500 267 060 <br /> 311101 NP 616 -- -519 204 <50 0 <0 500 <0 500 <0 500 <0 500 261 31 <br /> 5/10/01 P 622 { -525 -006 198 <0 500 0 772 0 608 1 52 <2 50 27 <br /> 8122101 P 897 <br /> 800 -275 360 1 2 14 063 20 <2 5 <br /> 1215101 P 815 -- �,-718 082 280 1 1 <0 50 <0 50 071 48 1 12 <br /> 3111102 P 640 — -5 43 175 77 <0 50 <0 50 <0 50 <0 50 29 162 <br /> E-9 8/26/88 156 -- -- -- -- 4,700 4,900 1400 5,100 -- -- <br /> 11/28/88 — -- - - - 780 1,100 400 1,280 <br /> 2/27/89 -- -- 900 100 260 1,700 -- -- <br /> 5130/89 - <br /> 8/22189 - -- 690 <500 <500 660 - <br /> 12/4/89 <br /> 1/4/90 1664 - .1508 - <br /> 211/90 1644 - �f020 __ -- <br /> 14 88� __ _- <br /> 2/15/90 1639 -- i �f14 83� 005 <br /> 2/22/90 1627 -- -1471 012 -- -- _ <br /> 3/8/90 1619 X1463 008 -- 490 70 360 1,440 - -. <br /> 415190 1648 -1492 -029 -- - - <br /> -. — <br /> 4/19/90 1649 - .1493 -001 <br /> 5/10190 1688 -1530 -037 .- -- -- <br /> 5/24/90 1677 -1521 009 -- .- -- - -- -- <br /> i <br /> Projectsl)0/21331Reports47ables/gwtables2133 xis , ' <br />