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TABLE 2 <br /> GROUND WATER ANALYTICAL RESULTS <br /> STOCKTON SAVINGS BANK - MANTECA BRANCH <br /> Dissolved Metalsd <br /> Total Petroleum Hydrocarbons'(µg/L) (mg/L) <br /> Screened Hydrocarbon Hydrocarbon <br /> Interval Date Mixture Mixture VOCsb Phenols` <br /> Sample ID (feet bgs) Sampled Diesel (C1O- C2A) Gasoline (C70- C12) ()zg/L) (µg/L) Barium Vanadium <br /> SB-01 19.0-23.0 03/23/97 <50 He <50 <50 ND ND 0.13 0.012 <br /> SB-02 19.0-23.0 03/23/97 <50 <50 <50 <50 ND ND 0.13 0.035 <br /> SB-03 19.5 23.5 03/23/97 <50 <50 <50 <50 ND ND 0.083 <0.010 <br /> TB032397 — — NA — NA NA ND NA NA NA <br /> Water Quality Goal' 1006 NE 5h NE — — 1.0' 0.0491 <br /> a Total petroleum hydrocarbons(TPH)analyzed by TPH Tri-Regional Method. It Taste and odor threshold. <br /> b Volatile organic compounds(VOCs)analyzed by EPA Method 8020 and i EPA Primary Maximum Contaminant Level. <br /> included benzene, toluene,ethylbenzene and xylenes. <br /> j Agricultural water quality goal. <br /> c Phenols analyzed by EPA Method 8270. See laboratory data sheets included in <br /> Attachment A for complete list of phenols analyzed. bgs Below ground surface <br /> d Dissolved metals analyzed by California Title 22(Title 26)Protocol and µg/L Micrograms per liter <br /> included 17 California Assessment Manual metals. Only those metals detected <br /> are listed above. mg/L Milligrams per liter <br /> e As reported by the laboratory, the hydrocarbon pattern present in this sample ND Not detected <br /> represents an unknown mixture atypical of diesel fuel in the range of C„y to C4,,. <br /> Quantitation is based upon a diesel fuel reference between C,,,and C24 only. NE Not established <br /> f Water quality goals listed are the lowest action levels established in A < Indicates constituent not detected above the reporting limit <br /> 0 Compilation of Water Quality Goals,July 1995, California Regional Water shown. <br /> Quality Control Board, Central Valley Region(Regional Board). <br /> ZTBxxxxxx Trip blank with "x” indicating the shipment date to laboratory. <br /> Xg USEPA suggested no-adverse-response level for toxicity other than cancer risk. <br /> Pr <br /> 809-001 r.tb2/04-18-97/u/keydaWtables 10 <br />