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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Chevron Bulk Terminal 100-1621 <br /> 22888 South Kasson Road <br /> Banta,California <br /> Well Depth Groundwater Groundwater SPH SPH Total SPH TPH as TPH as Ethyl- Total MtBE <br /> Well Date Elevation To Water Elevation Elevation Thickness Removed Removed Diesel Gasoline Benzene Toluene Benzene Xylenes MtBE EPA 82606 <br /> Number Gauged (feet MSL) (feet TOC) (feet,MSL) Change(ft.) (feet) (gallons) (gallons) (P/L) (OIL) (/J/L) (P/L) (ull-) W/L) (ii/L) (NIL) <br /> MW-17 09/02-03/93 6.07 - - 430 ND ND NO ND 2.0 <br /> 12/03-06/93 7.20 - - - ND NO NO NO ND ND <br /> 03/01-02/94 7.57 - - - ND NO ND NO NO ND <br /> 06/01/94 8.01 - -- ND ND ND ND ND NO <br /> 08/16-17/94 8.63 - NO ND ND NO ND NO <br /> 11/21/94 8.35 - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 6.38 12.95 0.06 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/07/95 6.31 13.02 0.07 94' <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 7.52 11.81 -1.21 - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 5.96 13.37 1.56 61' <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 6.02 13.31 -0.06 - 120' <50 <0.5 <0.5 <0.5 <0.5 4.8 <br /> 08/08/96 6.60 12.73 -0.58 - 82' <50 <0.5 <0.5 <0.5 <0.5 7.7 <br /> 11/04/96 7.47 11.86 -0.87 -- -- -- 140' <50 <0.5 <0.5 <0.5 <0.5 10 -- <br /> 02/05/97 3.00 16.33 4.47 - 60' <50 <0.5 <0.5 <0.5 <0.5 3.5 <br /> 05/12/97 5.79 13.54 -2.79 - 60' <50 <0.5 <0.5 <0.5 <0.5 14 <br /> 08/12/97 6.68 12.65 -0.89 - - - 91' <50 <0.5 <0.5 <0.5 <0.5 86 <br /> 11/04/97 7.43 11.90 -0.75 - - 91 <50 <0.5 <0.5 <0.5 <0.5 81 <br /> 02/09/98 2.58 16.75 4.85 - - - 82 <50 <0.5 <0.5 <0.5 <0.5 29 <br /> 05/26/98 4.83 14.50 -2.25 - - 87.7 <50 <0.5 <0.5 <0.5 <0.5 55.1 <br /> 08/25/98 6.05 13.28 -1.22 - - 82.5 <50 <0.5 <0.5 <0.5 <0.5 84.8 <br /> 11/16/98 6.99 12.34 -0.94 -- - - 68.6 <50 <0.5 <0.5 <0.5 <0.5 96.1 <br /> 02/22/99 5.08 14.25 1.91 - 842' <50 <0.5 <0.5 <0.5 <0.5 145 <br /> 06/15/99 6.70 12.63 -1.62 - <50 <100 <0.5 <0.5 <0.5 <0.5 64.3 <br /> 09/01/99 5.59 13.74 1.11 - - - 174 <0.5 0.55 0.65 7.84 124 <br /> 11/30/99 7.39 11.94 •1.80 - - <50 <100 <0.5 <0.5 <0.5 <0.5 149/154° <br /> 02/28/00 4.64 14.69 2.75 - - 69.0 135 <0.5 <0.5 <0.5 <1.0 183 <br /> 06/27/00 6.07 1326 -1.43 0.00 0.00 0.00 <50 <50 <0.5 0.63 <0.5 0.55 -- 82 <br /> 08/21/00 5.69 13.64 0.38 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 110 <br /> 11/30/00 7.51 11.82 •1.82 0.00 0.00 0.00 52 <50 <0.50 <0.50 <0.50 <0.50 100 <br /> 03/06/01 7.23 12.10 028 0.00 0.00 0.00 85 <50 <0.50 <0.50 <0.50 <0.50 120 <br /> 04/23/01 7.62 11.71 -0.39 0.00 0.00 0.00 <50 260 <0.50 <0.50 <0.50 <0.50 120 <br /> 08/09/01 19.98 6.99 12.99 128 0.00 0.00 0.00 110 <50 <0.50 <0.50 <0.50 <0.50 190 <br /> 10/16/01 __------Destroyed---.-------------------------------------- <br /> MW-18A <br /> --- ---Destroyed---- ----------------------------------•-- <br /> MW-18A 09/02-03/93 -- 7.00 - -- - -- 490 ND NO ND NO ND -- <br /> (MW-18) 12/03-06/93 8.19 - - - - - NO NO NO NO ND ND <br /> 03/01-02/94 <br /> 06/01/94 -- 13.15 - - - -- -- ND ND ND ND ND ND -- -- <br /> 08/16-17/94 17.85 - - - NO ND NO ND NO ND <br /> 11/21194 16.81 -- - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/23/95 19.84 15.61 423 - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 16.48 3.36 -0.87 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 15.63 4.21 0.85 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/07/95 15.63 421 0.00 - -- -- 220' <50 <0.5 4.5 <0.5 <0.5 --11/02/95 18.84 1.00 -3.21 - - 320' <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 11.45 8.39 7.39 - 98' <50 <0.5 <0.5 <0.5 <0.5 <br /> 19 of 33 <br /> Chevron\1001621\GWtable1 stQt2003 <br />