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TABLE 5 Page, 1 of 6
<br /> HtSTORICAL GROUNDWATER ANALYTICAL RESULTS
<br /> (Results in ug/L)
<br /> Golden Grain Company
<br /> Manteca,California
<br /> Sample Sample Ethyl-
<br /> ID Date TPH•g I Benzene Toluene- Benzene X enes-
<br /> MW-1 02/11/87 150,000 22,000
<br /> 06/09/87 -
<br /> 12/29/87 - _ -
<br /> 06/21/88
<br /> 11/14/89 -
<br /> 03/23/90
<br /> 06/12/90 - - - - -
<br /> 02/18/93 77,000 4,900 2,300 1,800 24.400
<br /> t 05/14/93 52,000 1,900 480 670 21,000
<br /> 08/12/93 - '- -
<br /> 11/11/93 20,000 540 100 240 6,540
<br /> 02/18!94 35,000 3,000 260 780 11,000
<br /> 05/20/94 19,000 470 41 300 3,600
<br /> 08/19/94 - - - - -
<br /> 11/18/94 1,200 64 9 2 8 5 67
<br /> 02/16/95 240 16 1 3 38
<br /> 05/09/95 23,000 37 150 900 6,500
<br /> 08118/95 3,300 140 160 1,240 5.400
<br /> 11/17/95 36,000 150 78 1,100 7,000
<br /> 02/20196 9,900 45 34 160 590
<br /> 1 05/21/96 1,800 13 9 15 67
<br /> MW-2 02/11/87 200,000 18,000
<br /> 06/09187 - -
<br /> 12/29/87
<br /> 11/14/89 110,000 23,000
<br /> 03/23/90 130,000 32,000 - - - -
<br /> 06/12/90 73,000 28,000 21,000 3,400 17,000
<br /> 04/18/91 110,000 21,000 28,000 34,000 18,000
<br /> 02/18/93 72,000 3,700 12,000 550 16,000
<br /> 05/14/93 67,000 1,800 7,100 510 23.000
<br /> 08/12/93 - - - - -
<br /> t 11/11/93 26,000 420 480 180 9,600
<br /> 1 02/18/94 22,000 340 120 98 4,400
<br /> 05120194 14,000 52 61 84 1,400
<br /> 08/19/94 - - - -
<br /> 11/18/94 12,000 110 35 98 990
<br /> 02/16/95 490 9 <7 5 <7 5 32
<br /> 05/09/95 2,000 4 18 11 170
<br /> 08!18195 4,200 78 20 43 170
<br /> 11/17/95 3,100 54 12 27 120
<br /> 02/20/96 600 11 57 46 12
<br /> 05/21/96 <60 <5 <5 I <5 <20
<br /> MWS 02/11/87 170,000 12,000
<br /> 06/09/87 -
<br /> 12129/87 - - W
<br /> 06/21/88 96,000 25,000
<br /> 11/14/89 -
<br /> 03/23/90
<br /> i
<br /> + TF+4=total petroleum hydrocarbons
<br /> -=not analyzed
<br />
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