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Table 5 <br /> Historical Analytical Data for Groundwater Well Samples <br /> Former Colombo /Toscana Bakery <br /> 1444 South Lincoln Street <br /> Stockton, California 95206 <br /> Concentration and Associated MCLs (pg/L) <br /> Monitoring Sampling TPH-g Benzene Toluene Ethylbenzene Xylenes MTBE DIPE ETBE I TAME I TBA 1,2-DCA 1,2-DBA <br /> Well Date NE (1) (150) (300) (1750) (13) NE NE NE NE (0.5) (0.05) <br /> Notes: <br /> BOLD=AI1 Positives <br /> pg/L=Micrograms-per-liter. <br /> TPH-g=Total petroleum hydrocarbons quantified as gasoline. <br /> MTBE=Methyl tertiary butyl ether. <br /> DIPE=Dkisopropyl ether. <br /> ETBE=Ethyl tertiary butyl ether. <br /> TAME=Tertiary amyl methyl ether. <br /> TBA=Tertiary butyl alcohol. <br /> 1,2-DCA=1,2-dichloroethane(ethylene dichloride or EDC). <br /> 1,2-DBA=1,2-dibromoethane(ethylene dibromide or EDB). <br /> DUP=Field duplicate sample. <br /> NE=None established. <br /> 1=Sample labels and chain-of-custody were incorrectly labeled with date of October 4,2007. <br /> Title 22 CCR MCLS=Title 22 California Code of Regulations Maximum Contaminant Levels(June 2004). <br /> 0=Highlighted value exceeds MCL. <br /> =The TX wells ending With an"A"were collected as split samples from Blaine Tech via disposable bailer. <br /> `=The TX wells ending with an"B"were collected as split samples afterwards via Waterra system. <br /> SAShared\USTWm LeeTrojects\CalliontiMstorhton f1 South Unooln Streei\Ouade4y MwIturing Reporpr2D10_01_P1Uantes end Flguies120ID_01_01-eMR-TaWesAs Page 8 of <br />