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TABLE 2 SUMMARY OF ANALYTICAL RESULTS - GROUNDWATER FAYETTE MANUFACTURING SITE TRACY, CA (Page 2 of 3) POTENTIAL CONTAMINANTS OTHER GEOCHEMICAL PARAMETERS Sample Date TP11g B T E X TBA DIPE ETBE7TAME MTBE DO CO2 DF1 N S TA Eh ID ug/L UgIL ug/L ug/L ug/L ug/L ug/L ug/LaIL ug1L mg1L mg" mg/L I mg/L mglL mg/L mV MW3 07/21/95 920 81 23 40 140 - - - -- - -- -- - - - - - 10/23/95 1500 290 <2.0 48 75 -- - -- -- - -- - - - - -01/25/96 230 37 <0.5 2.9 1.3 - - - -- - -- - - - - - -- 04/22/96 150 49 <0.5 4.8 <0.5 09/25/96 80 38 <0.3 1.5 <0.6 - - -- -- 1.2` 1.2 45 <0.05 32 180 440 13 12/16/96 130 55 <1.5 3.2 2.2 - - -- -- 1.1- 1.1 37 <0.1 25 210 420 -20 03/19/97 100 38 <0.50 2.7 1.3 - -- - - <2.5 1.3 400 0.011 25 210 430 16 06/13/97 280 96 <1.2 5.1 1.3 - - - -- 2.9"* <1.0 430 0.066 23 260 430 62 09/12/97 100 76 <0.5 2.9 <2.0 <100 <5.0 <5.0 <5.0 <5.0 -- - -- - - _ _ 12/31/97 250 170 <0.5 17 9 - - - - <5.0 -- - - - - - - 03/30/98 50 6.4 <0.5 <0.5 <2.0 - - - - <5.0 - - - - - - -- 06/25/98 68 29 <0.5 <0.5 <0.5 - -- - - <2.5 - - - - - - 10/08/98 250 120 <1.0 10 4.0 - - - -- <5.0 - - - - - - -- 01/04/99 160 68 <0.50 8.8 2.6 - - - -- <2.5 - -- -- -- - - - SB1-GW 09/24/96 <50 <0.3 0.6 <0.3 <0.6 -- - - -- <1.0 <1.0 22 <0.05 25 150 360 -56.1 SB2-GW 09/24196 67000 2200 370 5400 19000 - - - -- <50 <1.0 90 <0.05 6 80 620 - SB3-GW 09/24/96 <50 <0.3 0.7 <0.3 <0.6 - - - 3.5` <1.0 35 <0.05 470 17 170 -123.4 S84A-GW 10/02/96 4600 58 16 270 250 - - -- - <1.0 <1.0 55 <0.1 9 128 510 -201 SB5-GW 10/02/96 <50 <0.3 <0.3 <0.3 <0.6 - -- -- - <1.0 <1.0 54 <0.1 30 243 440 -214 SB6-GW 90/02/96 5200 160 32 210 910 - - - -- <1.0 2.1 <0.5 <0.1 37 180 310 -143.3 SB7-GW 10/02/96 <50 <0.3 <0.3 <0.3 <0.6 - - - - <1.0 <1.0 33 <0.1 80 280 420 -213.6 WA178011TABLENALS[2MO91