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Table 2 <br /> Fuel Oxygenates Analytical Data <br /> Former BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> Well Date Ethanol TBA MtBE DIPE EtBE TAME <br /> Number Sampled (pg/L) (P91L) (pg/L) (Erg/L) (Pg/L) (pg/L) Comments <br /> MW-5 07/30/2003 <200 <40 67 <20 <2 0 <2 0 <br /> 10/29/2003 <100 <20 18 <10 <10 <10 <br /> 01/26/2004 <100 <20 12 <10 <10 <10 <br /> 04/27/2004 <100 41 90 <1 0 <1 0 <1 0 <br /> 07/30/2004 <100 <20 43 <0 50 <0 50 <0 50 <br /> 10/28/2004 -- -- -- -- - -- Sampled Annually 3rd Quarter <br /> 01/31/2005 - Sampled Annually 3rd Quarter <br /> 04/29/2005 -- - - - Sampled Annually 3rd Quarter <br /> 07/29/2005 <100 21 94 <0 50 <0 50 <0 50 <br /> 10/28/2005 -- — — -- -- — Sampled Annually 3rd Ouarter <br /> MW-6 4/12/2000 - 150 ND<10 ND<10 ND<10 <br /> 7/22/2000 -- ND<500 890 ND<50 ND<50 ND<50 <br /> 10/26/2000 ND<1000 910 ND<100 N13<100 ND<100 <br /> 4/12/2001 - ND<100 ND<10 ND<10 ND<10 ND<10 <br /> 7/30/2002 -- <br /> 10131/2002 - -- 1,800 -01/30/2003 - 62 J - <br /> 04/30/2003 -- -- 26 -- - -- <br /> 07/30/2003 <5,000 <1,000 <25 <50 <50 <50 <br /> 10/29/2003 <500 <100 <25 <5 0 <50 <5 0 <br /> 01/26/2004 <2,000 <400 <10 <20 <20 <20 <br /> 04/28/2004 <100 <20 23 <1 0 <1 0 <1 0 <br /> 07/30/2004 <5,000 <1,000 28J <25 <25 <25 <br /> 10/28/2004 <2,500 <500 65 <25 <25 <25 <br /> 01/31/2005 <500 <100 52 <5 0 <50 <5 0 <br /> 04/29/2005 <2,000 <400 <10 <10 <10 <10 <br /> 07/29/20051 <200 <40 19 <10 <10 <10 <br /> 10/28/20051 <500 UJ <100 <25 <2 5 <25 <2 5 <br /> MW-7 10/26/2000 - 1,800 9 800 ND<100 ND<100 ND<100 <br /> 7/30/2002 -- 754 - - <br /> 10/31/2002 210 - - <br /> 01/30/2003 310 J -- <br /> 04/30/2003 - 53 -- -- -- <br /> 07/30/2003 <100 <20 17 <10 <10 <10 <br /> 10/29/2003 <100 23 14 <10 <10 <10 <br /> 01/26/2004 <500 140 77 <5 0 <5 0 <5 0 <br /> 04/28/2004 <100 <20 30 <10 <10 <10 <br /> 07/30/2004 <100 UJ <20 23 <0 50 <0 50 <0 50 <br /> 10/28/2004 <100 <20 21 <10 <10 <10 <br /> 01/31/2005 <100 <20 20 <10 <10 <10 <br /> 04/29/2005 <100 <20 70 <0 50 <0 50 <0 50 <br /> 07/29/2005 <100 <20 29 <050 <0 50 <0 50 <br /> 10/2$/2005 <1 DD <20 18 <0 50 <0 50 <0 50 <br /> MW-8 4/12/2000 -- 23 ND<1 0 ND<1 0 ND<1 0 <br /> 7/22/2000 ND<50 33 ND<5 0 ND<5 0 ND<5 0 <br /> 10/26/2000 ND<10 21 ND<10 ND<10 ND<10 <br /> 4/12/2001 ND<10 81 ND<10 ND<10 ND<10 <br /> 7/30/2002 - <br /> Report Date December 1,2005 Page 4 of 6 <br />