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MPDS-UN5098-10 <br /> April 17, 1996 <br /> Page 7 of 8 <br /> TABLE 3 (Continued) <br /> SUMMARY OF LABORATORY ANALYSES <br /> WATER <br /> (UNOCAL MONITORING WELLS) <br /> •T Sequoia Analytical Laboratory has identified the presence of MTBE at a <br /> level above or equal to the taste and odor threshold of 40 pg/L in the <br /> sample collected from this well <br /> A Well has been destroyed <br /> AA MTBE was non-detectable . <br /> -- Indicates analysis was not performed <br /> ND = Non-detectable <br /> Results are in micrograms per liter (µg/L) , unless otherwise indicated <br /> Note: - The detection limit for results reported as ND by Sequoia Analytical <br /> Laboratory is equal to the stated detection limit times the dilution <br /> factor indicated on the laboratory analytical sheets <br /> • - Prior to August 1, 1995 , the total purgeable petroleum hydrocarbon <br /> (TPH as gasoline) quantification range used by Sequoia Analytical <br /> Laboratory was C4 - C12 Since August 1, 1995 , the quantification <br /> range used by Sequoia Analytical Laboratory is C6 - C12 <br /> All EPA method 801.0 constituents were non-detectable, except as <br /> reported above <br /> Laboratory analyses data prior to December 20 , 1993 , were provided by <br /> Kaprealian Engineering, Inc <br />