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Cumulative Table Of Well Data and Analytical Results <br /> vertical Measurements are in feet. Analytical results are in paqLEer.bltlion b <br /> Well -Ground Depth - Total <br /> T=: <br /> DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylene TPH- Oil & MTBE Other <br /> MW-4 Elev. Elev. Water Gasoline Benzene Diesel Grease <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 /> I 8/20/96 26.70 19.20 7.50 11,000 2300 810 520 890 900*. <125 <br /> 1/05/96 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 /> 02/12/98 26.70 21.29 5.41 -- 790 110 3.7 13 33 150' - <2.5 <br /> 06/10/98 26.70 20.41 6.29 2200 42 33 51 170 52* - <2.5 <br /> 08/10/98 26.70 19.80 6.90 - 3000 680 89 140 290 430" - <25 <br /> 11/24/98 26.70 19.91 6.79 720 210 9.9 23 68 200* <12 <br /> 03/05/99 26.70 20.35 6.35 - 668 208 7.35 17.5 35.2 131- -- 4-34 <br /> 06/01/99 26.70 19.99 6.71 2400 414 36.2 106 220 228* -- <100 - <br /> 08/30/99 26.70 19.81 6-89 - 466* 95.3 4.23 15 65.4 77*. - <5.0 - <br /> 11/24/99 26.70 20.36 6.34 - 3580 462 27 109 341 334* - <12.5 <br /> Chromatogram pattern indicates an unidentified hydrocarbon. <br /> ** See Table of Additonal Analyses. <br /> `y <br /> Blaine Tech Services, Inc.991124-A-1 4th-Q 1999 Monitoring at Former Chevron 9-8632 575 Grant Line Road,Tracy, CA 4 <br />