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<br /> Table 2
<br /> Fuel Oxygenates Analytical Data
<br /> Former BP Service Station No 11191
<br /> 14691= Hammer Lane, Stockton CA
<br /> Well Date Ethanol TBA MtBE DIPE EtBE TAMC: 1,2-DCA EDB PCE Methanol
<br /> Number Sampled (ErglL) (pg1L) (p91L) (pglL) (pg1L) (pg/L) (pg1L) (uglL) (pg1L) (pg/L) Comments
<br /> MW-1 1/23/2002 - 45 110 -- -- -- ND<10 ND<10 - -
<br /> 4/11/2002 10 37 - - ND<10 ND<10 - --
<br /> 7/39/2002 2,900 9,300 -- - - ND<10 ND<10 -
<br /> 10/11/2002 - -- 10,000 - - -- -- -- -- -
<br /> 01/30/2003 -- - 7,600 J - - - - - - -
<br /> 04/10/2003 - - 4 900 - -- - - - -
<br /> 07/11/2003 <100,000 - 9,900 - -- -- -- -- -- -
<br /> 10/17/2003 <50,000 <10,000 13,000 <500 <500 <500 - -- - -
<br /> 01/2612004 <20,000 0,000 10,000 <200 <200 <200 -- - -- --
<br /> MW-2 1/3/2002 - 800 1,900 - -- -- ND<10 ND<10 -
<br /> 1/10/2002 - 630 1800 - - -- ND<10 ND<10 - -
<br /> 4/11/2002 - 300 1,300 - - - ND<10 ND<10 -- --
<br /> 7/31/2002 -- 1,400 4,500 - - - ND<10 ND<10 -- --
<br /> 10/11/2002 - - 11,000 - - -- -- - -
<br /> 01/30/2003 - - 4,900 J --
<br /> 04/10/2003 - 3,900 J - - -- -- -- --
<br /> 07/11/2003 <10,000 - 1,600 --
<br /> 10/17/2003 <50.000 <10,000 22,000 <500 <500 <500 -- -- - --
<br /> 01126/2004 <20,000 0,000 980 <200 <200 <200 - - -- --
<br /> MW-3 1/3/2002 -- 13,000 27,000 - - - ND<10 ND<10 -- --
<br /> 4/11/2002 - 3,500 18,000 -- -- - ND<10 ND<10 - -
<br /> 7/31/2002 -- 14 000 30,000 - - ND<1 0 ND<1 0 -- --
<br /> 10/11/2002 - 44,000 - - -- - -- - -
<br /> 01/30/2003 - - 22,000
<br /> 04/10/2003 -- -- 25,000 -- - - -- - --
<br /> 07/11/2003 <100,000 - 10,000 - - - -- -- - --
<br /> 10/17/2003 <100,000 <20,000 25,000 <1,000 <1,000 <1,000 - - - -
<br /> 01/2612004 <50,000 <10,000 17,000 <500 <500 <500 -- -- --
<br /> MW-4 1/3/2002 - 8,000 9,400 - -- - ND<10 ND<10 - -
<br /> 4/11/2002 -- 2,300 11,000 - - - ND<10 ND<10 -- --
<br /> 7/31/2002 -- 440 1,900 -- - - ND<10 ND<10 -- --
<br /> 10/11/2002 - - 9,000 -- -- - - - --
<br /> 01/30/2003 -- -- 94,000 J - - - - - --
<br /> 04NO12003 - 17,000 -- - _
<br /> Report Date April 30, 2004 Pagel o/2
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