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r MPDS-UN6981-12 <br /> August 21 1996 <br /> Page 11 of 14 <br />. Table 2 <br /> Summary of Laboratory Analyses <br /> Water <br /> § Sequoia Analytical Laboratory has identified the presence of MTBE at a level above or equal to the <br /> taste and odor threshold of 40 gg/L in the sample collected from this well <br /> * The analytical results of the ground water samples collected from monitoring wells were inconsistent <br /> with the previous analytical results for these wells Therefore, MPDS Services, Inc , resampled the <br /> monitoring wells <br /> • Sequoia Analytical Laboratory reported that the hydrocarbons detected did not appear to be gasoline <br /> * The positive result for gasoline does not appear to have a typical gasoline pattern <br /> <# Non-detectable at or above stated detection limit <br /> I MTBE analyzed by EPA method 8260 in parentheses <br /> tt Field blank <br /> MTBE = Methyl tert butyl ether <br /> -- Indicates analysts was not performed <br /> Results are in micrograms per liter(lig/Q, unless otherwise indicated <br /> Note The detection limit for results reported as ND by Sequoia Analytical Laboratory 1s equal to the <br /> stated detection limit times the dilution factor indicated on the laboratory analytical sheets <br /> Prior to August 1, 1995, the total purgeable petroleum hydrocarbon (TPH as gasoline) <br /> quantification range used by Sequoia Analytical Laboratory was C4 -C12 Since August 1, 1995, <br /> the quantification range used by Sequoia Analytical Laboratory is C6 - C12 <br /> Laboratory analyses data prior to October 20, 1993, were provided by GeoStrategtes, Inc <br />