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TABLE 1 GROUNDWATER MON11 ORING DATA,FORMER EXXON RS 7-3708, 2705 COUN rRY CLUB BOULEVARD, STOCRI ON, CA Reference Depth to Groundwatc t Fthyl- I otal rpli as Oxygenate '410111tolmg Hevation Groundwater Elevation Benzene Toluene benzene. Xylenes gasoline, MTBE Compounds Well Date (1ce.t) (feet) (feet) (pg L) (µg/L) (pg,L) (pg/1 } (µg/L) (µg/L) (µg/L) M"2 10105!95 207 13 81 -11 74 0 i <05 -0 5 --0 5 <50 NA NA 04/02/96 207 8 63 -6 56 10 <0 5 06 0 53 <50 NA NA 07,3196 207 1 1 53 -946 (i <0 5 �0 5 <0 5 <50 NA NA 10 23/96 207 12 51 -1044 O S --0 5 -0 5 <0 5 <50 <5 0 NA 02/07/97 207 7 32 -5 25 -05 -0 5 <0 5 0 5 <50 NA NA 05 30/97 207 992 -7 85 0 -, :O � -05 <0 5 <50 5 0 NA 08'20197 207 11 79 -972 -0 <0 5 ;0 5 <0 5 X50 8 8 NA 11,2497 207 11 71 -9 64 U ? �O 5 --0 5 <0 5 <50 5 81` ND 03'10/98 2 07 723 -5 M U -05 <0 5 <0 5 <50 64 11 ND 0630198 207 8 85 -678 05 <0 5 <0 5 <0 5 <50 7 11' ND 10'05198 2 U7 1033 -826 O 5 <0 5 <0 5 <0 5 <50 60 NA 12'16,98 2 07 974 -7 67 -0 � <0 5 -05 <0 5 <50 8 8 NA 03 05,99 207 8 18 -6 11 0 -) �-0 5 -,0 5 <0 5 <50 <2 5 NA 05 14199 207 8 59 -652 -05 <0 5 <0 5 <0 5 <50 --20 NA 06x04'99 207 901 -694 NS NS NS NS NS NS NS 081 11,99 207 NM N C N 5 NS NS NS NS NS NS 11/23 99 208 NM NC NS NS NS NS NS NS NS 02110/00 2 08 NM NC NS NS NS NS NS NS NS 05'17/00 208 NM NC N5 NS NS NS NS NS NS 08/07/00 208 NM NC NS NS NS NS NS NS NS 11/06/00 2 08 NM NC N S NS NS NS NS NS NS 02!26/01 208 NM NC NS NS NS NS NS NS NS 05/10/01 208 NN1 Nf NS NS NS NS NS NS NS MW3 08,23191 052 15 15 -1463 NS NS NS NS NS NS NS 08'29191 0 52 1526 -1474 240 34 <2 5 3 5 630 NA NA (Se. LLned 12/13/91 052 1540 -1488 270 8 <0 5 <0 5 560 NA NA 12-27 it 02111,92 050 1447 -13 97 NS NS NS NS NS NS NS bgs) 03/18/92 050 1237 -11 87 79 0 5 0 -7 <0 5 170 NA NA 06/04/92 050 13 19 -1269 25 <0 5 -05 <0 5 87 NA NA 09/28/92 050 15 82 -15 32 300 5 9 5 1 7 3 680 NA NA 12/18/92 050 15 67 -15 17 1,700 150 91 140 4,000 NA NA I pEulLth 71708 ivalELI stip y)OI 1'06%k vI Pa=,3 A k