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7 <br /> 7 <br /> 2- <br /> TABLE 2 <br /> SUMMARY OF ANALYTICAL RESULTS -GROUNDWATER <br /> FAYETTE MANUFACTURING SITE <br /> TRACY,CA <br /> (Page 2 of 2) <br /> POTENTIAL CONTAMINANTS OTHER GEOCHEMICAL PARAMETERS <br /> Sample Date TPHU B T E. X TBA DIPE ETRE TAME MTBE DO CO, DFI N S TA Eh <br /> ID uglL ug/L. ug/L. ug/L ug/L ug/L uglL uglL ug/L ug/l, I I mg/L mV <br /> mg/L mg1L. mg/L. mg/L mg/L <br /> MW3 7121/95 920 81 23 40 140 <br /> 10/23/95 1500 290 <2.0 48 75 <br /> 1125/96 230 37 <0.5 2.9 1.3 <br /> 4/22196 160 49 <0.5 4.8 1 <0.5 <br /> 9125/96 80 38 <0.3 1.5 <0.6 1.2* 1.2 45 <0.05 32 180 440 13 <br /> 12/16/96 130 55 <1.5 3.2 2.2 1.1- 1.1 37 <0.1 25 210 420 -20 <br /> 3119197 100 38 <0.50 2.7 1.3 <2.5 1.3 400 0.011 25 210 430 16 <br /> 6/13197 280 96 <1.2 5.1 1.3 2.9- <1.0 430 0,066 23 260 430 62 <br /> 9/12/97 100 76 <0.5 2.9 <2.0 <100 <5.0 <6.0 <5.0 <5.0 -- -- - -- -- -- - <br /> 12/31/97 250 170 <0.5 17 9 -- <5.0 -- - -- -- -- - <br /> 8131-GW 9/24/96 <50 T' <0.3 0.6 <0.3 <0.6 - <11.0 <1.0 22 <0.05 25 150 360 -56.1 <br /> SB2-GW 9124196 67000 1 2200 370 5400 19000 - <50 <1.0 90 <0.05 6 80 620 - <br /> SB3-GW 9/24/96 <50 <0.3 0.7 <0.3 <0.6 3.5* <11.0 35 <0.05 470 17 170 -123.4 <br /> - S64A-GW 10096 460.0 58 16 270 250 <11.0 <1.0 55 <0.1 9 128 510 -201 <br /> SB5-GW 1012/96 <50 <0.3 <0,3 <0.3 <0.6 <1.0 <1.0 54 <0.1 30 243 440 -214 <br /> SB6-GW 10/2196 5200 160 32 210 910 <1.0 2.1 <0.5 <0.1 37 180 310 -143.3 <br /> SB7-GW . 10/2/96 <50 J--f.0.3 <0.3 <0.3 <0.6 <11.0 <11.0 33 <0.1 80 280 420 -213.6 <br /> Notes: <br /> rng1L denotes milligrams per liter or parts per million DIPE denotes di-isopropyl ether(EPA Method 8260) <br /> ugIL denotes micrograms per liter or parts per billion ETBE denotes ethyl tertiary butyl ether(EPA Method 8260) <br /> <denotes not detected at or above Stated Method Detection Limit TAME denotes tertiary amylmethyl ether(EPA Method 8260) <br /> denotes not analyzed MTBE denotes methyl tertiary butyl ether(EPA Method 8020 or 8260) <br /> denotes that MTBE has been confirmed by Method 8260 DO denotes dissolved oxygen <br /> -denotes MTBE detected by EPA Method 8020 only CO2 denotes Carbon Dioxide <br /> TPH9 denotes total petroleum hydrocarbons as gasoline(EPA Method 3550/8015) DFI denotes dissolved ferrous iron <br /> B denotes benzene(EPA Method 8020) N denotes nitrate <br /> T denotes toluene(EPA Method 8020) S denotes sulfate <br /> E denotes ethylbenzene(EPA Method 8020) TA denotes total alkalinity <br /> X denotes total xylenes(EPA Method 8020) Eh denotes redox potential in millivolts(mV),field measured <br /> TBA denotes tertiary butanol(EPA Method 8260 (field measurement during well purging process) <br /> WA94420WABLE213ALS[3/12/981 <br />