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TABLE 2 <br /> SUMMARY OF ANALYTICAL RESULTS-GROUNDWATER <br /> FAYETTE MANUFACTURING SITE <br /> TRACY,CA <br /> (Page 5 of 5) <br /> POTENTIAL CONTAMINANTS OTHER GEOCHEMICAL PARAMETERS <br /> Sample Date TPI-Ig B T E X TBA DIPE ETBE TAME EDB 1,2-DC MTBE DO CO2 DFI N S TA Eh <br /> ID u /L u /L u /L u /L u /L u /L u /L u /L u /L u /L u /L u /L m /L m /L m /L m /L m IL m /L mV <br /> 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 <br /> SB2-GW 09/24/96 67,000 2,200 370 5,400 19,000 -- -- -- - -- -- <50 <1.0 90 <0.05 6 80 620 -- <br /> 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 <br /> SB4A-GW 10/02/96 4,600 58 16 270 250 -- - -- -- -- -- <1.0 <1.0 55 <0.1 9 128 510 -201 <br /> 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 <br /> SB6-GW 10/02/96 5,200 160 32 210 910 -- - -- - -- -- <1.0 2.1 <0.5 <0.1 37 180 310 -143.3 <br /> 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 <br /> GP1-W15 04/05/04 12,000 64 10 460 1,100 <200 <20 <20 <20 <20 <20 <20 -- -- -- -- -- __ _ <br /> GP2-W16 04/05/04 38,000 98 490 2,500 6,700 <400 <40 <40 <40 <40 <40 <40 -- -- -- -- -- -- __ <br /> GP3-W16 04/05/04 <50 <0.5 <0.5 <0.5 <1.0 <20 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <br /> -- -- -- -- -- -- -- <br /> PT1-W 1 04/08/04 62 0.9 <0.5 1.5 3.6 <20 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <br /> PT1-W5 04/08/04 <50 <0.5 <0.5 <0.5 <1.0 <20 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <br /> Notes: <br /> mg/L denotes milligrams per liter or parts per million ETBE denotes ethyl tertiary butyl ether(EPA Method 8260 or 8260B) <br /> ug/L denotes micrograms per liter or parts per billion TAME denotes tertiary amylmethyl ether(EPA Method 8260 or 82608) <br /> <denotes not detected at or above Stated Method Detection Limit EDB denotes tertiary amylmethyl ether(EPA Method 82608) <br /> denotes not analyzed 1,2-DCA denotes methyl tertiary butyl ether(EPA Method 82606) <br /> *denotes that MTBE has been confirmed by Method 8260 MTBE denotes methyl tertiary butyl ether(EPA Method 8020,8260,or 82608) <br /> "denotes MTBE detected by EPA Method 8020 only DO denotes dissolved oxygen <br /> TPHg denotes total petroleum hydrocarbons as gasoline(EPA Method 3550/8015) CO2 denotes Carbon Dioxide <br /> B denotes benzene(EPA Method 8020 or 8021 B) DFI denotes dissolved ferrous iron <br /> T denotes toluene(EPA Method 8020 or 8021 B) N denotes nitrate <br /> E denotes ethylbenzene(EPA Method 8020 or 8021 B) S denotes sulfate <br /> X denotes total xylenes(EPA Method 8020 or 8021 B) TA denotes total alkalinity <br /> TBA denotes tertiary butanol(EPA Method 8260 or 82606) Eh denotes redox potential in millivolts(mV),field measured <br /> DIPE denotes di-isopropyl ether(EPA Method 8260 or 8260B) (field measurement during well purging process) <br /> WA1 7861\TABLE2 14/23/20051 <br />