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TABLE 7 <br /> Groundwater Chemical Analytical Results <br /> US Can-Welty Road <br /> Vernalis, California <br /> Concentrations reported in micrograms per liter(µg/L)unless noted <br /> Date <br /> Sample ID (Note#) Collected TPHg TPHd Benzene Toluene Ethylbenzene Total Xylenes <br /> WFSMW-1 t"31 4/21/2005 <50 71 0.1 <I 1 <1 <br /> MW-5'2-') 4/21/2005 <50 <50 • 0.1 <1 I rl <br /> Abbreviations: <br /> pg/L=micrograms per liter <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> TPHd=Total petroleum hydrocarbons as diesel <br /> TPHdsg=Total petroleum hydrocarbons as diesel with a silica gel preparation <br /> =Analyte not detected at or above the laboratory reporting limit shown <br /> Notes: <br /> 1. Samples were analyzed by Lancaster Laboratories,Inc.for TPHd using method CALUFT-DRO./801513 Modified and TPHg using method <br /> N.CA LUFT Gasoline.TPHd analysis was performed without a silica gel preparation procedure. Bencene,toluene,ethylbenzene, <br /> and total xylenes were analyzed using EPA Method 8260. <br /> 2. The reported concentration of TPHg does not include MTBE or other gasoline constituents eluting prior to the C6(n-hexane)TPHg range start time. <br /> 3. Sample quantitation was performed using the total sample area from C 10 through C25 as requested by the client. <br /> Page I of 1 <br />