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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 [:�Eugll- <br /> T E X TBA DIPE ETBE TAME MTBE DO CO, DFI N S TA Eh <br /> ID ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L molt mg/L ma/L mglL mg/L mglL mV <br /> MW3 7/21/95 920 81 23 40 140 -- - -- - - - - -- <br /> 10/23/95 1500 290 <2.0 48 75 -- -- -- - - - - - -- <br /> 1/25/96 230 37 <0.5 2.9 1.3 - - - -- -- - - - -- -- <br /> 4/22/96 150 49 <0.5 4.8 <0.5 - -- -- -- -- -- - - -- - -- <br /> 9/25/96 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 /> 3/19/97 100 38 <0.50 2.7 1.3 -- - -- - <2.5 1.3 400 0.011 25 210 430 16 <br /> 6/13/97 280 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 <5.0 <5.0 <5.0 -- - -- -- -- -- -- <br /> 12/31/97 250 170 <0.5 17 9 -- -- -- -- <5.0 -- -- -- -- -- -- -- <br /> SBI-GW 9/24/96 <50 <0.3 0.6 <0.3 <0.6 -- - -- - <1.0 <1.0 22 <0.05 25 150 360 -56.1 <br /> SB2-GW 9/24/96 67000 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* <1.0 35 <0.05 470 17 170 -123.4 <br /> SB4A-GW 10/2/96 4600 58 16 270 250 -- - -- - <1.0 <1.0 55 <0.1 9 128 510 -201 <br /> SB5-GW 10/2/96 <50 <0.3 <0.3 <0.3 <0.6 -- -- - - <1.0 <1.0 54 <0.1 30 243 440 -214 <br /> SB6-GW 10/2/96 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 <0.3 <0.3 <0.3 <0.6 -- -- -- <1.0 <1.0 33 <0.1 80 280 420 -213.6 <br /> Notes: <br /> mg/L denotes milligrams per liter or parts per million DIPE denotes di-Isopropyl ether(EPA Method 8260) <br /> ug/L 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 /> TPHg 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 /> WAS4420JABLE28.XLS 0/12/981 <br />