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TABLE 1 GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3708 2705 COUN1 R� CLUB BOULEVARD, 5 fOCKTON, C A Reference Depth to Groundwater Total T PH as O�vgenate Monitonng Elevation Groundwater Elevation Benzene Toluene Eth�Ibenzen, Xylenes gasoline tit I BL Compounds Well Date (feet) (feet) (feet) (�Lg"L) (EL, L) (Ng L) (µg,L) {11t�L} (µ L) (ilg L) MW2 02/07/97 207 732 -5 25 <0 5 <0 5 <0 5 <0 5 <50 NA NA 05/30/97 992 -7 85 <0 5 <0 5 <0 5 <0 5 <50 5 0 NA (Screened 08/20/97 1179 -972 <0 5 <0 5 <0 5 <0 5 <SO 8 8 NA 12-27 ft 11/24/97 1171 -964 <0 5 <0 5 <0 5 <0 5 <50 5 811 ND bgs) 03/30/98 723 -5 16 <0 5 <0 5 <0 5 <0 5 <50 64 ND 06/30/98 885 -6 78 <0 � <0 5 <o � <0 5 <50 7 1' ND 10/05/98 1033 -8 26 <0 5 <0 5 <0 5 <0 5 <50 60 NA 12/16/98 974 -767 <0 5 <0 5 <0 5 <0 5 <50 8 8 NA 03/05/99 8 18 -6 11 <0 5 <0 5 <{) S <0 5 <SO <2 NA 05/14/99 859 -652 <0 5 <0 5 <0 5 <0 5 <50 <2 0 NA 06/04/99 901 -694 NS NS NS NS NS NQS NS 08/31/99 NM NC NS NS NS NS NS NS NS 11/23/99 208 NM NC NS NS NS NS NS NS NS 02/10/00 NM NC NS NTS NS NS NS NS NS 05/17/00 NM NC NS 1S NS NS NS NS NS MW3 08/23/91 052 15 15 -1463 NS NS NS NS NS NS NS 08/29/91 1526 -1474 240 34 <2 5 3 5 630 NA NA (Screened 12/13/91 1540 -1488 270 8 <0 5 <0 5 560 NA NA 12-27 ft 02/11/92 050 1447 -13 97 N5 NS NS NS NS NS NS bgs) 03/18/92 1237 -11 87 79 0 5 0 7 <0 5 170 NA NA 06/04/92 13 19 -1269 25 <0 5 <0 5 <0 5 87 NA NA 09/28/92 15 82 -1532 300 5 9 5 1 7 3 680 NA NA 12/18/92 15 67 -15 17 1,700 150 91 140 4 000 NA NA 04/05/93 940 -890 360 �4 30 75 1,100 NA NA 09/23/93 1276 -1226 1 0 09 <0 S 1 9 <50 N A NA 11/15/93 13 52 -13 02 36 <0 5 <0 5 <0 5 210 NA NA 02/10/94 1239 -11 89 950 19 84 16 1 900 N k NA 05/31/94 1158 -1108 490 24 11 2 2 1,200 N'A NA 08/30/94" 13 25 -12 75 420b l 8 3 8 <0 5 1 000 tia NA 11122/94a 1405 -13 55 48 <0 5 <0 5 <0 5 160 N k NA 01/12/95a 1283 -1233 81 05 14 <0 5 270 NA NA �I I'dL, OT f Iprojects1737081masterlwplg50013708gw xls