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MPDS UNW.6 0, <br /> jk"mber 22 1991 <br /> Page 4 of S <br /> • Table 2 <br /> Summary of Laboratory Analyses <br /> Water <br /> TPH as TP14 as Hyl- <br /> WOU 1Mte Diesel Gawliae ]�C=ene Toluene B=z= Xylenes MTB,2 <br /> MW-6S 5/2197 <50 <50 <05 <05 <0 5 <05 120 <br /> 9/2/97 <50 <50 <0 5 <0 5 <05 <05 <50 <br /> 12/1/97 <50§ <50 <0 5 <05 <05 <05 <5 0 <br /> MW-71) 5/2/97 <50 <50 <0 5 <05 <05 <0 5 <5 0 <br /> 9/2/97 <50 <50 <0 5 <0 5 <05 <0 5 <5 0 <br /> 12/1/97 <50§ <50 <0 5 <0 5 <0 5 <05 <5 0 <br /> MW-7S 5/2/97 <50 <50 <0 5 <0 5 <05 <0 5 <5 0 <br /> 9/2197 <50 <50 <0 5 <0 5 <0 5 <05 <5 0 <br /> 12/1/97 <50§ <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> t Unidentified hydrocarbons >C 14 <br /> Unidentified hydrocarbons >C 15 <br /> tit Diesel and Unidentified hydrocarbons >C20 <br /> t Sequoia Analytical Laboratory reported that the hydrocarbons detected did not appear to be diesel <br /> $$ Sequoia Analytical Laboratory reported that the hydrocarbons detected appeared to be a diesel <br /> non-diesel mixture <br /> * MTBE analysis by EPA method 8260 in parentheses <br /> ** This sample was also analyzed for MTBE by EPA method 8260 MTBE was detected at 8,000 µg/L <br /> § TPH as diesel analysis with silica gel cleanup <br /> <## Not present above the stated detection limit <br /> MTBE = Methyl t - butyl ether <br /> Results are in micrograms per liter(µg/L), unless otherwise indicated <br /> Note The total purgeable petroleum hydrocarbon(TPH as gasoline) quantification range used by <br /> Sequoia Analytical Laboratory is C6 - C12 <br /> Laboratory analytical data prior to December 6, 1996 were provided by Delta Environmental Consultants, Inc <br /> • Wells designated as S are screened in the shallow zone, and wells designated as D are screened in the <br /> deep zone <br />