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<br /> 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 8260B
<br /> Number Gauged (feet MSL) (feet TOC) (feet MSL) Change(ft) (feet) (gallons) (gallons) (Pti) (pti) WI-) (U/L) (U/L) (p/L) UJ/L) (N/L)
<br /> MW-1 UA 02/22/99 5.54 16.66 1.72 - 1.10 1,010' 1,170 23.7 <2.0 <2.0 <2.0 262
<br /> (cont.) 06/15/99 7.03 15.17 -1.49 - - 1.10 415 2,610 <0.50 <0.50 <0.50 <0.50 107
<br /> 09/01/99 5.43 16.77 1.60 - - 1.10 11,100 159 11.3 <0.50 0.93 2.39 148
<br /> 11/30/99 7.72 14.48 -2.29 - 1.10 2,190' 3,650 78 6.6 9.7 10.2 2,830
<br /> 02/28/00 3.53 18.67 4.19 - 1.10 1,130 505 56.5 0.61 1.72 3.0 228
<br /> 06/27/00 6.28 15.92 -2.75 0.00 0.00 1.10 16,000 <500 26 <5.0 <5.0 <5.0 860
<br /> 08/21/00 6.91 15.29 -0.63 0.00 0.00 1.10 4,500 <500 15 <5.0 <5.0 <5.0 360
<br /> 11/30/00 - --- unable to local ---
<br /> 03106/01 unable to locate-- ------------------------
<br /> 04/23/01 unable to locate- -----------------------
<br /> 08/09/01 20.56 6.45 14.11 -1.18 0.0 0.0 1.10 1600.0 82.0 <5.0 <5.0 <5.0 <5.0 51.0
<br /> 11/20/01 11.27 929 -4.82 0.0 0.0 1.10 3,200 89.0 3 <0.5 <0.5 <0.5 200
<br /> 02/22/02 10.23 10.33 1.04 0.0 0.0 1.10 6,500 91.0 12 <0.5 <0.5 <0.5 160
<br /> 05/16/02 10.90 9.66 -0.67 0.0 0.0 1.10 15,000 610 120 <0.5 <0.5 0.6 820
<br /> 08/27/02 10.80 9.76 0.10 0.0 0.0 1.10 9,300 480 70 <0.5 <0.5 <0.5 730
<br /> 12/04/02 11.81 8.75 -1.01 0.0 0.0 1.10 8900 <50 <0.5 <0.5 <0.5 <0.5 58
<br /> 03/05/03 11.84 8.72 -0.03 0.0 0.0 1.10 5,000 220 <0.5 <0.5 <0.5 <0.5 73
<br /> MW-2 08/21/85 - - - - 15,400 9470 6400 5050 5580 1980
<br /> 09/03/87 - - `
<br /> 10/13/88 -- -- - - - - - ND 330,000 14,000 25,000 36,000 8100
<br /> 02/22/89 20.69 9.69 11.00 - - - - - 190,000 12,000 23,000 14,000 2700
<br /> 04/14/89 9.54 11.15 0.15 - ^ - `
<br /> 07/18/89 - - - - - 3,000 88,000 11,000 11,000 14,000 3100
<br /> 08/20/89 7.24 13.45 - - -
<br /> 10/05/89 7.16 13.53 0.08 - - 1,200 74,000 10,000 15,000 5,400 ND
<br /> 01/18/90 9.46 1123 -2.30 - - 7,300 40,000 4,000 63,000 4,800 1000
<br /> 04/17/90 8.91 11.78 0.55 - - - 20,000 73,000 6,300 13,000 15,000 2800
<br /> 07/19/90 -- - - - - - 7,500 42,000 6,400 78,000 5,000 850
<br /> 10/18/90 - - - - 3,100 58,000 4,400 64,000 5,500 1300
<br /> 01/14/91 -- - - - --
<br /> 04/04/91 8.96 11.73 0.02
<br /> 04/10/91 - - -
<br /> 07/10/91 18.52 4.28 16.41 - - - - 100,000 150,000 10,000 19,000 28,000 5600
<br /> 06/01/92 -
<br /> 08/12/92
<br /> 11/02192
<br /> 02/26/93
<br /> 06/02-03/93 -
<br /> 09/02-03/93 -- ^
<br /> 12/03-06/93 - -
<br /> 03/01-02/94 - -06/01/94 - - --
<br /> 08/16-17/94 ^11/21/94 6.90 13.79 - 0.07 - - - - -
<br /> 02/23/95 5.87 14.82 1.03 0.07 - - - - -
<br /> 05/30/95 5.73 14.96 0.14 0.07 - ^ -
<br /> 08/07/95 5.66 15.03 0.07 0.05 - - ^
<br /> 2 o 33
<br /> Chevron\1001621\G Wtab lel stQtr2003
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