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4(7) <br /> f� r <br />` Cumulative Table of Well Data and Analytical Results <br /> Vertical Measurements are Jn feet Analytical results are in parts per biilion(ppbl <br /> Well Ground Depth -- - -- Total <br /> DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylene TPH- Oil& MTBE Other <br /> Elev, Elev. Water Gasoline Benzene Diesel Grease <br /> MW-3 <br /> 05/12/95 27.23 20.14 7.09 -- -- -- -- -- -- -- __ <br /> 09/07/95 27.23 19.48 7.75 -- 5100 500 14 370 390 1400' -- -- ._ <br /> 12101/95 27.23 19.90 7.33 -- 19,000 1500 59 1100 1900 4700` <br /> 02/07/96 27.23 21.45 5.78 -- 3000 230 10 180 230 200` -- 2500 -- <br /> 05/07/96 27.23 20.13 7.10 -- 7100 580 14 450 350 2300' -- 1300 -- <br /> 08/20/96 27.23 19.23 8.00 -- 430 55 <1.2 42 23 180* -- 480 -- <br />`' 11/05/96 27.23 20.09 7.14 -- 6800 400 <10 320 170 1500* -- 600 <br /> ., 01/07/97 27.23 21.07 6.16 -- 130 15 <0.5 3.6 4.0 130* -- 450 -- <br /> 06/05/97 27.23 20.10 7.13 -- 180 23 0.72 12 7.0 72* -- 160 <br />'i 09/02/97 27.23 19.75 7.48 -= 6100 440 <25 430 120 1100` -- 650 <br />}`! 11/19/97 27.23 20.35 6.88 -- 320 28 <0.5 16 2.6 140* -- 150 '* <br /> MW-4 <br /> 05/12/95 26.70 19.20 7.50 -- -- -- -- -- -- <br />'� 09/07/95 26.70 19.54 7.16 -- 14,000 2100 290 470 690 2000* -- -- ._ <br /> 12/01/95 26.70 19.89 6.81 -- 11,000 1900 620' 470 620 1800" -- -- ._ <br /> 02/07/96 26.70 21.34 5.36 -- 4700 730 210 260 590 650" -- <50 -_ <br /> 05/07/96 26.70 20.12 6.58 -- 9500 1300 350 350 550 1300* <100 -- <br /> 08/20/96 26.70 19.20 7.50 -- 11,000 2300 810 520 890 900* <125 _- <br /> 11/05/96 26.70 20.11 6.59 -- 5600 820 270 200 480 570" <50 -- <br />' 01/07/97 26.70 21.02 5.68 -- 1100 190 16 42 110 180* -- <12 -- <br />; 06/05/97 26.70 20.13 6.57 -- 3300 610 140 130 160 64* -- <25 ._ <br /> 09/02/97 26.70 19.78 6.92 -- 13,000 1800 760 480 1200 1100* -- <25 <br /> 09/02/97 26.70 19.78 6.92 EPA 8260 -- 1900 690 480 1000 -- -_ *• <br /> 11/19/97 26.70 20.33 6.37 -- 210 40 3.1 5.9 7.6 130* -- <2.5 <br />`= Sump P <br /> -- -- _- <br /> 01/07/97 8.44 260 43 4.1 2.7 30 -- <1100 <2.5 -- <br /> 06/05/97 -- -- 9.11 -- -- 1.60 <0.5 <0.5 <0.5 <0.5 <1100 <2.5 `* <br />' 09/02/97 -- -- 9.58 -- -- 0.61 <0.5 <0.5 <0.5 -- <1000 <2.5 -- <br /> 11/19/97 -- -- 8.23 -- -- <0.5 <0.5 <0.5 <0.5 --13,000+ <2.5 '* <br /> r <br /> I <br /> Chromatogram pattern indicates an unidentified hydrocarbon <br /> See Table of Additonal Analyses. <br /> +Analysis performed by EPA 5520. <br /> I <br /> t <br />' Blaine Tech Services,Inc.971119-M-2 4th-0 1997 Monitoring at Former Chevron 9-8632 575 Grant i..ine Road,Tracy,CA 2 <br />