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lab Page of 30 <br /> Groundwater Elevation and Analytical Data _ <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> well Depth Product Groundwater Groundwater Xyfenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> 12/4/96 1200 -- -1071 053 -- -- - -- - -- <br /> 3/19/97 P 745 -- -616 4 55 <50 0 51 <0 5 <0 5 <0 5 <5 0 2 <br /> 6/5197 P 913 -- -7 84 -168 -- -- -- -- - - 0 2 <br /> 8119/97 NP 1051 -- -9 22 -138 <50 <0 5 <05 <0 5 <0 5 <5 0 2 <br /> 11/25/97 P 10 81 -- -952 -0 30 -- -- -- -- -- - -- <br /> 3/19/98 P 460 — -331 621 <50 <0 5 <0 5 <0 5 <0 5 <5 2 8 <br /> 6/24198 656 -- -5 27 -196 -- - - -- <br /> 9110198 P 828 -- -699 -172 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12!17198 8 38 -- -709 -010 -- -- - - <br /> 3/10/99 P 6 17 -- -488 2 21 <50 <0 5 <0 5 <0 5 <0 5 <5 2 3 <br /> 6122/99 8 21 -- -692 -204 -- - - 3 9 <br /> 9/13/99 P 9 63 -- -834 -142 <50 <0 5 <0 5 <0 5 <0 5 4,800 1 8 <br /> 12/15/99 961 -- -832 002 -- -- - - -- - 27 <br /> 3/23100 P 513 -- -3 84 448 <50 <0 5 <05 <0 5 <0 5 <2 5 6 0 <br /> 6/21100 735 — -606 -222 -- -- - -- 0 4 <br /> 9/13100 P 912 -- -7 83 .177 <50 <0 5 <0 5 <0 5 <0 5 117 1 55 <br /> 12/15/00 856 -727 056 -- - - - - 086 <br /> 3/2/01 P 665 •• •5 36 191 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 4 6 <br /> 5110101 6 65 -- -536 000 — — — — -- — 2 3 <br /> MW 2 11/10/93 2 88 1689 -- -1401 - 950 67 72 66 120 - <br /> 3/21/94 1644 -- -1356 0 45 450 100 6 2 16 83 <br /> 6/27194 1629 -- -1341 0 15 390 55 13 9 6 72 <br /> 9/29/94 -- .. -- - - - -- - -- <br /> 12/8/94 1543 -1255 - 580 29 27 6 2 130 <br /> 3/8/95 264 1297 -- -1009 246 3,800 180 42 89 370 <br /> 611/95 <br /> 9111195 1374 -- -1120 - 4,100 290 51 140 170 <br /> 12/5/95 1 15 1410 -- -12 95 -175 -- -- -- <br /> 3118/96 860 -- -745 550 4,800 250 18 56 280 <br /> 6118/95 9 61 — -846 -101 -- -- - -- -- <br /> 9/25/96 1220 -- -1106 -2 59 120 27 <0 5 3 18 <5 - <br /> 12/4/96 1178 -- -10 63 042 -- -- -- - - <br /> 3/19/97 P 733 -618 4 45 510 17 0 89 31 4 4 0 3 <br /> MW-2 615/97 P 883 -- -7 68 -150 -- -- -- - -- -- 0 4 <br /> (cont) 8119/97 NP 1033 •• -918 -150 2,400 17 <5 <5 260 <50 0 3 <br /> 11125/97 P 10 54 -- -939 -021 -- - -- -- -- -- <br /> 3/19/98 P 427 -- -312 627 310 3 6 <0 5 24 <0 5 <5 5 5 <br /> 6/24/98 6 41 -526 -214 -- -- -- - <br />