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i i i � � � � tib tib � � � ti �_ I1� t♦ � <br /> V <br /> { TABLE 2 - CONTINUED <br /> Analytical Results of Ground Water Samples <br /> SIERRA LUMBER t <br /> 375 West Hazelton Avenue, Stockton, California <br /> _ (P9/1) <br /> Well - Ground Screen Ethyl- MTBE 3 'MTBE <br /> ID Date Water Interval TPH-g Benzene Toluene, benzene Xylenes 8020 8260 DIPE TAME ETBF, TBA <br /> Depth, (fl bsg) _ <br /> 08-25-98 1789 480 78 59 11 098 ND<5 ND<l 094 ND<l ND<1 94 <br /> 09-16-98 1903 160 33 083 0 85 092 ND<5 ND<1 ND<l ND<l ND<l ND<5 <br /> MW-6 <br /> 12-10-98 1943 200 ND<0 5 ND<0 5 16 ND<0 5 ND<5 ND<l ND<l ND<1 ND<l ND<5 <br /> - 03-15-99 1791 10 to 35 120 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<l ND<1 ND<l ND<l ND<5 <br /> 06-22-99 1810 86' ND<0 5 25 ND<0 5 082 ND<5 ND<l ND<l ND<1 ND<l 7 <br /> 09-10-99 _19 17 933 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<l ND<l ND<l ND<l ND<5 <br /> 08-25-98 1803 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<l ND<1 ND<1 ND<1 ND<5 <br /> 09-16-98 1843 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<I ND<1 ND<l ND<1 ND<5 <br /> MW-7 <br /> 12-10-98 1921 o 3ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<1 ND<l ND<l ND<l ND<5 <br /> 03-15-99 _ 1776 9 t4 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<1 ND<1 ND<l ND<1 ND<5 <br /> 06-22-99 1950 ND<50 065 2 ND<0 5 1 9 ND<5 ND<1 ND<I ND<1 ND<l ND<5 <br /> 09-10-99 1943 , ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<l ND<l ND<l ND<l ND<5 <br /> MW-8 06-22-99 1750 35 110' 1< <br /> 23 ND<0 5 4 ND<5 5.3 ND<I - ND<l ND<l 67 <br /> 09-10-99 1857 15 to ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 1 34 4 7 ND<I ND<l ND<5 <br /> Notes. <br /> All units reported as Ng/l(micrograms per Iiter'or parts per billion) <br /> TPH-g total petroleum hydrocarbons quantified as gasoline <br /> DIPE di-isopropyl ether,ETBE ethyl tertiary butyl ether,TAME terti <br /> ary amyl methyl ether,TBA tertiary butanol alcohol,MTBE methyl tertiary butyl ether <br /> ND not detected <br /> ` unmodified or weakly modjficd gasoline is significant <br /> heavier gasoline range compounds are sigmfcant <br /> < indicates constituents were not detected at a concentration greater than the reporting I imit shown <br /> Laboratory analvsis up to 04/21/97 reported by John P Cummings&Associates in Quarterly Report dated 21 November 1997 <br /> - k <br /> Advanced GeoEnvrronmenral,Inc. <br /> s <br /> s <br />