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TABLE 1 <br />GROUNDWATER EXTRACTION AND TREATMENT SYSTEM <br />ANALYTICAL DATA <br />Former Chevron Service Station #9-5775 <br />301 West Kettleman Lane <br />Lodi, California <br />Sample <br />Sample <br />TPHg <br />Benzene <br />Toluene <br />Ethyl- <br />Total <br />MtBE <br />TBA <br />DIPE <br />ELBE <br />TAME <br />Ethanol <br />Methanol <br />EDB <br />1,2 -DCA <br />Date <br />Location <br />] <br />benzene <br />Xylenes <br />1 <br />] <br />] <br />! <br />07/06/00 <br />Effluent <br />170 <br /><0.50 <br />1.5 <br /><0.50 <br />6.1 <br /><2.0 <br /><100 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><1.00 <br /><2,0 <br /><2.0 <br />07/10/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><2.0 <br /><100 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><10.0 <br /><2.0 <br /><2.0 <br />07/10/00` <br />Effluent <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><2.0 <br /><100 <br /><2.0 <br /><2.0 <br /><2.0 <br /><1,000 <br />NA <br />NA <br />NA <br />07/19/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />Q.0 <br /><100 <br /><2.0 <br /><2.0 <br /><2.0 <br />NA <br />NA <br />NA <br />NA <br />07/26/00 <br />Effluent <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br />0.513 <br /><2.00 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br />NA <br />NA <br />NA <br />NA <br />08/03/00 <br />Effluent <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br /><2.00 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br />NA <br />NA <br />NA <br />NA <br />08/10/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.0 <br /><2.0 <br /><100 <br /><2.0 <br /><2.0 <br />4.0 <br />NA <br />NA <br />NA <br />NA <br />08/16/00 <br />Effluent <br />149 <br />1.16 <br />0.903 <br /><0.500 <br /><0.500 <br /><2.00 <br /><200 <br /><2.00 <br /><2.00 <br />X2.00 <br />NA <br />NA <br />NA <br />NA <br />08/16/003 <br />Effluent <br />400 <br /><0.50 <br />0.90 <br /><0.50 <br />0.51 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />08118100' <br />Effluent <br />600 <br /><0.50 <br />1.1 <br /><0.50 <br />0.55 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />08/23100' <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><2.0 <br /><100 <br /><2.0 <br /><2.0 <br /><2.0 <br />NA <br />NA <br />NA <br />NA <br />08/31/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />09/06/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />09/12/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />09/20/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />NA <br />NA <br />NA <br />NA <br />09/27/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />10/04/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />10/11/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />10/17/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />10125/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />11/01/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />11/08/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><3,000 <br /><1.0 <br /><2.0 <br /><2.0 <br />11/29/00 <br />Effluent <br /><50.0 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.0 <br /><0.5 <br /><25.0 <br /><0.5 <br /><0.5 <br /><0.5 <br /><25.0 <br /><5.0 <br /><0.5 <br /><0.5 <br />06/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />100 <br />00/ <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />17/27/00 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />01/03/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />01/10/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />01/17/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br />41150 <br /><0.50 <br />01/24/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />01/31/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.88 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />02/08/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.78 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><0.50 <br /><0.50 <br />02/16/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />02/21/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />02/28/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br />41.50 <br /><0.50 <br />03/07/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0,50 <br /><0.50 <br />03/14/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />52 <br /><0.50 <br /><0.50 <br />03/21/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />03/28/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />04/04/01 <br />Effluent <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />04/11/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />9.5 <br />94 <br /><0.50 <br /><0.50 <br />04/18/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0,50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br />6.4 <br /><0.50 <br /><0.50 <br />04/25/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />11 <br />70 <br /><0.50 <br /><0.50 <br />05/02/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />21 <br />54 <br /><0.50 <br /><0.50 <br />05/09/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />7.9 <br /><50 <br /><0.50 <br /><0.50 <br />05/17/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />5.5 <br /><50 <br /><0.50 <br /><0.50 <br />05/23/01 <br />Bllluent <br /><50 <br /><0.50 <br /><0.50 <br />41.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />05/30/01 <br />Effluent <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />40_50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br /><0.50 <br />Discharge Limitation <br />ND <br /><5.0' <br /><5.0' <br /><5.0' <br />1 <5.0' <br />ND <br />ND <br />ND <br />ND <br />I ND <br />-- <br />- <br />-- <br />- <br />EXPLANATIONS: ANALYTICAL LABORATORIES <br />TPHg -Total Petroleum Hydrocarbons as Gasoline DIPE - Di -isopropyl ether Sequoia Analytical (FLAP N 1271, #1624 and 612360) <br />t,2 -DCA - 1,2•Dichloroethane ELBE - Ethyl tertiary butyl ether Kiff Analytical (FLAP #2.236) <br />tertiary butyl ether TAME - Tertiary amyl methyl ether <br />0Methyl <br />tert-Butyl-alcohol NA - Not analyzed for this constituent <br />Ethylene dibromide ND - None detected <br />TE <br />Sum of benzene, toluene, ehtylbenzene and xylenes not to exceed 0,005 mvL (5 ppb), <br />'- Sample collected after approximately 1,400 gallons of tap water was pumped through system during cleaning procedures. <br />'Sample included 2-butanaone and tetrahydrofuran which were quantified as TPHg. <br />' Sample collected after approximately 1,560 gallons of tap water were pumped through system during cleaning procedures. Tetrahydrofuran reported as ND (<5.0). <br />077.43452.570/GWEdw.xls Page 4 of 4 <br />