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Table 2 Analytical Data for Grab Groundwater Samples TPH-g,BTEX,Fuel Oxygenates,and Fuel Additives Former Colombo/Toscana Bakery 1444 South Lincoln Street Stockton,California 95206 Monitoring Sampling TPII-g Benzene Toluene Ethylbenzene Xylenes MTBE TBA DIPE ETBE TAME 1,2-DBA 1,2-DCA Well Date (pg/L) (pg/L) (hg/L) (per) (pg/L) (pg/L) (pg[-) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) C1 5/1/2007 88,000 370 4,900 3,300 15,000 <25 <150 <25 <25 <25 <25 <25 C2 5/2/2007 170,000 18,000 19,000 3,600 17,000 <25 <150 <25 <25 <25 <25 39 C3 5/2/2007 400,000 26,000 51,000 7,800 38,000 <40 <200 <40 <40 <40 <40 42 C4 5/3/2007 1 160,000 16,000 20,000 3,100 14,000 960 <200 <40 <40 <40 <40 230 C5 5/3/2007 65,000 11,000 9,800 1,500 6,400 1,700 160 <20 <20 1 <20 <20 <20 C6 5/3/2007 55,000 11,000 3,700 2,000 7,000 700 <150 <25 <25 <25 <25 <25 C7 5/3/2007 <50 1.4 0.52 <0.50 <0.50 8.8 130 1.1 1.0 <0.50 <0.50 0.89 C8 5/2/2007 400 <0.50 <0.50 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 C9 5/1/2007 670 7.2 1.6 0.61 3.0 1.0 7.4 <0.50 <0.50 <0.50 <0.50 <0.50 C10 5/1/2007 670 24 1.0 1.7 1.3 140 400 1.4 <0.50 <0.50 <0.50 <0.50 Cll 4/30/2007 570 3.8 3.0 <0.50 0.68 <0.50 <5.0 <0.50 <0.50 <0.50 <0.50 <0.50 RWQCB ESLs 500 46 130 290 100 1,800 18,000 NE NE NE 150 200 Title 22 CCR MCLS NE 1 150 300 1,750 13 NE NE NE NE 0.05 0.5 Notes: pg/L=Micrograms per liter. 1,2-DBA=1,2-dibromoethane(ethylene dibromide or EDB). TPH-g=Total petroleum hydrocarbons quantified as gasoline. 1,2-DCA=1,2-dichloroethane(ethylene dichloride or EDC). MTBE=Methyl tertiary butyl ether. NE-None established. DIPE=Di-isopropyl ether. RWQCB ESLs-San Francisco Bay Regional Water Quality Control Board Environmental Screening Levels ETBE=Ethyl tertiary butyl ether. for groundwater that is not a current or potential source of drinking water(February 2005). TAME=Tertiary amyl methyl ether. Title 22 CCR MCLS-Title 22 California Code of Regulations Maximum Contaminant Levels(June 2004). TBA=Tertiary butyl alcohol. Page 1 of 1