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M 'I <br /> September 28, 1992 Working To Restore Nature <br /> Beacon Station No 492, Manteca, California <br /> TABLE 3 <br /> CUMULATIVE RESULTS OF LABORATORY ANALYSES <br /> OF GROUND-WATER SAMPLES <br /> Beacon Station No. 492 <br /> 470 North Main Street <br /> Manteca, California <br /> (page 1 of 3) <br /> Well Number Ethyl- Total <br /> and Date Benzene Toluene benzene Xylenes TPHg TPHd <br /> MW-1 <br /> 12/04/86 0. 077 0 . 024 0 . 145 0 . 0569 7 . 297* NA <br /> 05/14/87 0 . 158 0 . 143 0. 305 1. 430 17 . 73* NA <br /> 01/15/88 0 . 005 0 . 088 0. 055 0 . 376 2 . 49 NA <br />` 06/07/88 0. 12 1. 86 0. 66 4 . 50 21 . 00 NA <br /> 09/06/88 NA NA NA NA NA NA <br /> 12/05/88 NA NA NA NA NA NA <br /> 03/02/89 0. 026 0. 025 0 . 015 0 . 272 6 . 3 NA <br /> 07/20/89 <0. 0005 <0. 0005 <0 . 0005 <0 . 0005 <0. 050 NA <br /> 10/18/89 0 . 086 0 . 0025 0 . 018 0 . 130 1 . 20 NA <br /> 12/13/89 <0 . 0005 0 . 013 <0. 0005 <0 . 0005 0. 100 NA <br /> 03/06/90 0 . 0010 0 . 0005 <0. 0005 0 . 0016 <0 . 050 NA <br /> 06/28/90 0 . 0013 <0 . 0005 <0. 0005 <0. 0005 <0 . 050 NA <br /> 09/27/90 0. 0045 0 . 0010 <0. 0005 0. 0021 <0 . 050 <0 . 050 <br /> 12/18/90 0. 0024 0 . 0006 0 . 0009 0. 0023 0 . 064 NA <br /> 03/29/91 <0. 0005 <0. 0005 <0 . 0005 <0 . 0005 <0 . 020 NA <br /> 06/21/91 <0. 0005 <0. 0005 <0 . 0005 <0. 0005 <0 . 050 NA <br /> 10/01/91 <0 . 0005 <0. 0005 <0 . 0005 <0 . 0005 <0 . 050 NA <br /> 12/13/91 <0 . 0005 <0. 0005 <0. 0005 <0 . 0005 <0. 050 NA <br /> 02/26/92 <0. 0005 <0 . 0005 <0 . 0005 <0 . 0005 <0. 050 <0 . 1 <br /> 07/13/92 <0 . 0005 <0 . 0005 <0. 0005 <0 . 0005 <0 . 050 <0 . 050 <br /> See notes on page 3 of 3 <br /> ar <br /> 86102- <br /> 86102-8 <br />