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<br /> Table 2
<br /> Fuel Oxygenates Analytical Data
<br /> Former BP Retail Site No 11191
<br /> 1469 E Hammer Lane, Stockton, CA
<br /> Well Date Ethanol TBA MtBE RIPE EtBE TAME 1,2-DCA EDB
<br /> Number sampled (pglL) (pg/L) (,vg1L) WWL) (vglL) (pg/L) (pglL) (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 /> 7/31/2002 - 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 /> 01/26/2004 <20,000 <4,000 10,000 <200 <200 <200 - -
<br /> 04/27/2004 <50,000 <10,000 11,000 <500 1 <500 1 <500 -
<br /> 07/01/2004 <25,000 <5,000 12,000 <250 <250 <250 -- -
<br /> 10/04/2004 <50,000 <10,000 9,900 <500 <500 <500 - -
<br /> MW-2 1/3/2002 - 800 1,900 - - - ND<10 ND<10
<br /> 1/10/2002 - 630 1,800 - - -- 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 /> 01/26/2004 <20,000 <4,000 980 <200 <200 <200 - -
<br /> 04/27/2004 <10,000 <2,000 2,800 <100 <100 <100 -
<br /> 07/01/2004 <50,000 <10,000 15,000 <500 <500 <500 - -
<br /> 10/04/2004 <5,000 <1,000 11500 <50 <50 <50 - -
<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<10 ND<10
<br /> 10/11/2002 -- - 44,000 - -- _ _ -
<br /> 01/30/2003 -- - 22,000 - -- - - -
<br /> 04/1012003 - -- 25,000 - - - - -
<br /> 07/1112003 <100.000 - 10,000 - -- -- - -
<br /> 10/17/2003 1 <100,000 1 <20,000 1 25,000 1 <1,000 <1,000 <1,000 - --
<br /> Report Date December 14,2004 Page 1 of 4
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