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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 DIPS EtBE TAME 1,2-DCA EDB
<br /> Number Sampled (pg/L) (lig/L) (ug/L) (pg1L) (,ug/L) (Ng1L) (1rgll-) (pgll-) Comments
<br /> MW-3 07/11/2003 <100,000 - 10,000 - -- -- - --
<br /> 10/17/2003 <100,000 <20 000 25 000 <1,000 <1,000 <1,000 -- -
<br /> 01/26/2004 <50,000 <10,000 17,000 <500 <500 <500 - -
<br /> 04/27/2004 <10,000 8 500 J 6,300 J <100 <100 <100 -
<br /> 07/01/2004 <25,000 11,000 8 800 <250 <250 <250 --
<br /> 10/04/2004 <10,000 <2 000 2,700 <100 <100 <100 -- -
<br /> 0111212005 1 <20,000 7,600 4,200 <200 <200 <200 -- -
<br /> MW-4 1/3/2002 - 8,000 9,400 -- - -- ND<10 ND<10
<br /> 4/11/2002 - 2 300 11,000 - -- - ND<l 0 ND<1 0
<br /> 7/31/2002 - 440 1,900 -- - -- ND<10 ND<10
<br /> 10/11/2002 - -- 9 000 -- - - --
<br /> 01/30/2003 - -- 14,000 J - - -- - -
<br /> 04/1012003 - -- 17 000 - -- - -
<br /> 07/11/2003 <10,000 - 2200 - - -- - -
<br /> 10/17/2003 <100 000 <20,000 37,000 <1,000 <1,000 <1,000 - -
<br /> 01/26/2004 <50,000 <10 000 22 000 <500 <500 <500 - -
<br /> 04/27/2004 <5 000 <1,000 810 <50 <50 <50 -- -
<br /> 07/01/2004 <100,000 <20 000 24,000 <1,000 <1 000 <1 000 - -
<br /> 10/04/2004 <50,000 <10,000 17 000 <500 <500 <500 --
<br /> 01/12/2005 <200,000 <40,000 23,000 <2,000 1 <2,000 <2,000 - --
<br /> MW-5 04/10/2003 - - 1,900 - - -- -
<br /> 07/11/2003 <10,000 -- 3,000 - - -- _ -
<br /> 10/17/2003 <10,000 <2 000 3,600 <100 <100 <100 - --
<br /> 01/26/2004 <20,000 <4,000 4,300 <200 <200 <200 -- --
<br /> 04/27/2004 <10,000 <2,000 4,600 <100 <100 <100 - -
<br /> 07/01/2004 <10 000 <2,000 4,900 <100 <100 <100 - -
<br /> 10/04/2004 <10,000 <2,000 4,800 <100 <100 1 <100 - --
<br /> 0111212005 <20,000 <4,OQ0 6,200 <200 <200 <200 - --
<br /> MW-6 04/10/2003 -- - -- - - - -
<br /> 07/11/2003 <100 -- <0 50 - - - - --
<br /> 10/17/2003 <100 <20 <0 50 <1 0 <1 0 <1 0 - -
<br /> 01/26/2004 <100 <20 <0 50 <1 0 <1 0 <1 0 --.-64-/-27/2004 <100 <20 <0 50 <1 0 <1 Q <1 0 -
<br /> Report Date March 14,2005 Page 2 of 4
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