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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(pg/L)unless noted <br /> Date <br /> Sample ID (Note#) Collected TPHg TPHd Benzene Toluene Ethylbenzene Total Xylenes <br /> WFSMW-1 4/21/2005 <50 71 <0.1 <1 <1 <1 <br /> MW-5("" 4/21/2005 <50 <50 <0.1 <1 <1 <1 <br /> Abbreviations: <br /> µg/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/8015B Modified and TPHg using method <br /> N.CA LUFT Gasoline.TPHd analysis was performed without a silica gel preparation procedure. Benzene,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 C10 through C25 as requested by the client. <br /> Page 1 of 1 <br />