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...� �.t. � ■wir s _ _ w ■w w w � w w <br /> TABLE 2 - CONTINUED <br /> Analytical Results of Ground Water Samples <br /> SIERRA LUMBER <br /> 375 West Hazelton Avenue, Stockton, California <br /> Ground Screen <br /> Well Date Water Interval TPH-g Benzene Toluene Ethyl- Xylenes MTBE MTBE DIPE TAME ETRE TBA <br /> I D Depth ft bs benzene 8020 8260 <br /> 08-25-98 16 17 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<l ND<1 ND<I ND<5 <br /> 09-16-98 -1659 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<l ND<1 ND<1 ND<5 <br /> 12-10-98 1716 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<I ND<1 ND<I ND<5 <br /> MW-5 -03-15-99 1598 10 to 35 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<1 ND<1 ND<l ND<5 <br /> 06-22-99 1660 N6<50 14 74 19 9 5 NIX5 ND<1 w ND<1 ND<l ND<l ND<5 <br /> 09-10-99 1760 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<1 ND<I ND<1 ND<5 <br /> 04-28-00 1580 ND<50 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 ND<1 ND<I ND<I ND<I ND<5 <br /> 08-25-98 1789 480 78 59 1 1 098 ND<5 ND<1 094 ND<l ND<1 94 <br /> 09-16-98 1903 160 33 083 085 092 ND<5 ND<1 ND<I ND<l ND<1 ND<5 <br /> 12-10-98 1943 200 ND<O 5 ND<O 5 16 ND<O 5 ND<5 ND<1 ND<1 ND<I ND<l ND<5 <br /> 03-15-99 1791 120 ND<0 5 ND<O 5 ND<O 5 ND<O 5 NIX5 ND<1 ND<I ND<I ND<1 ND<5 <br /> MW-6 06-22-99 1810 10 to 35 86' ND<O 5 25 ND<O 5 082 ND<5 ND<1 ND<1 ND<1 ND<I 7 <br /> 09-10-99 19 17 93' ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<I ND<1 ND<I 'ND<5 <br /> 04-28-00 1746 130' ND<O 5 29 ND<O 5 071 ND<5 ND<1 ND<I ND<1 ND<I 20 <br /> 08-03-00 1820 110 ND<0 5 21 ND<O 5 ND<O 5 ND<5 _ ND<l ND<1 ND<I ND<1 ND<5 <br /> 01-18-01 1943 1 110 ND<O 5 27 1 ND<O 5 ND<0 5 ND<5 I ND<l I ND<1 ND<l I ND<I I ND<5 <br /> 08-25-98 1803 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<l ND<1 ND<1 ND<1 ND<5 <br /> 09-16-98 1843 # ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<1 ND<1 ND<1 ND<I ND<5 <br /> 12-10-98 1921 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<1 ND<l ND<I ND<1 ND<5 <br /> MW-7 03-15-99 1776 9 to 34 ND<50 -ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<l ND<1 ND<I ND<I ND<5 <br /> 06-22-99 1850 l ND<50 065 2 ND<0 5 1 9 ND<5 ND<1 ND<l ND<1 ND<I ND<5 <br /> 09-10-99 1943 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<l ND<1 ND<1 ND<l ND<5 <br /> 04-28-00 1763 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND< ND<1 ND<1 ND< ND<I 10 <br /> 06-22-99 1750 1101 1 1 23 ND<O 5 4 ND<5 5.3 ND<I ND<l ND<1 67 <br /> 09-10-99 1857 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 34 47 ND<1 ND<1 ND<5 <br /> MW 8 04-28-00 1673 153to 35 ND<50 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 19 19 ND<1 ND<1 82 <br /> 01-18-0I 1866 t ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 22 23 ND<l ND<l ND<5 <br /> EW-1 07-16-99 15`to 45 1 96,000 1 5,600 _13,000 1,800 10,00-0- <br /> ND<1000 <br /> Notes <br /> All units reported as ug/l(micrograms per liter or parts per billion) <br /> TPH-g total petroleum hydrocarbons quantified as gasoline <br /> DIPE di-isopropyl ether,ETRE ethyl tertiary butyl ether,TAME tertiary amyl methyl ether TBA tertiary butanol alcohol,MTBE methyl tertiary butyl ether <br /> ND not detected <br /> ' unmodified or weakly modified gasoline is significant <br /> z heavier gasoline range compounds are significant <br /> ' one to a few isolated peaks are significant,no recognizable pattern - <br /> < indicates constituents were not detected at a concentration greater than the reporting limit shown <br /> Laboratory analysis up to 04/21/97 reported by John P Cummings&Associates in Quarterly Report,dated 21 November 1997 <br /> Advanced GeoEnvironmenlal,Inc <br />