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TABLE 3 <br /> OXYGENATED COMPOUNDS IN GROUNDWATER <br /> Knowles-Roek <br /> Stockton,California <br /> Page 6 of 1 1 <br /> (in parts per bs1hon) <br /> Well Date Methanol Ethanol TBA MTBE DIPE ETBE TAME 1,2 DCA EDB <br />' MWS Dec-01 - <2D0 <20 <20 <20 <20 QO <20 <br /> Cont'd Feb-02 -- - <20 <2 0 <2 0 <2 0 <2 4 <2 0 <2 0 <br /> May-02 -- <200 <20 <24 <20 <20 <20 <20 <br />' Aug-02 <100 <10 <1q <lo <10 <10 <10 <br /> Nov-02 <200 <20 <20 <20 <20 <20 66 <20 <br /> Feb-03 -- -- 1 <200 <20 <20 <20 <20 <20 <20 <br />' May-03 -- -- <260 <20 <20 <20 <20 <20 <20 <br /> Aug-03 <200 <20 <20 <20 <20 <20 <20 <br /> Nov-03 - <200 <20 <20 <20 <20 i <2D <20 <br /> Feb-04 -- <200 <20 <20 <24 1 <20 <20L <20 <br />' May-04 == <200 <20 <20 <20 <20 <20 <20 <br /> Aug-04 <200 <20 <2D <20 <26 G7 <20 <br /> Nov-04 -- <100 <10 <10 <10 <]0 <1Q <l0 <br />' <br /> Feb-05 <200 <20 <20 <20 <20 <20 <20 <br /> MW6 Nov-97 <5 0 <5 0 <1 0 <1 D 1 <1 D <br /> Feb-98 -- <10D <50 <50 <5 D 1 <5 0 <br /> Nov-99 -- -- <50 <5 0 <5 0 <5 0 <5 0 -- -- <br /> Feb-DO == =� <50 <5 0 <5 0 <5 0 <5 0 -- -= <br /> Feb-DO <50 <5 0 <5 0 <5 0 <5 Q <br /> May-OD <500 <250 <50 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <br /> t Aug-DO <500 <250 <50 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <br /> Nov-DO <500 <250 <50 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <br /> Mar-01 <500 <250 <20 <2 0 <2 0 c2 0 <2 0 <2 0 1 L2.0 <br /> May-01 -- <20 <2 0 1 <20 L <20 1 <2 0 <2 0 <2 0 <br /> Aug-01 - Not Sampled <br /> Dec-01 <20 <20 1 <20 1 <2 D <Z 0 1 <2 0 <2 0 <br /> Feb-02 Not Sampled <br /> 7ay-02 -- - <20 <2 0 1 <2 0 <2 0 <2 0 <2 0 �?D <br />' Aug-02 - Not Sampled <br /> Nov-02 -- Q0 <20 <20 <2 0 <2 0 62 <br /> <2 0 <br /> Feb-03 Not Sampled <br />' May-03 -- - <20 <2 01 <2 0 <2 0 <2 0 <2 0 1 <2 0 <br /> Aug-03 Not Sampled <br /> Nov-03 - - <20 <2 0 <2 0 Q 0 <2 0 <2 0 <2 0 <br /> Feb-04 Not Sampled <br /> 1 May-04 - <20 <2 0 <2 0 <20 1 <2 0 1 <2 0 <2 0 <br /> Aug-04 Not Sampled <br /> Nov-04 -- _ <20 <2 0 <2 0 <2 0 <2 0 <2 0 <2 0 <br />' Feb-05 - - Not Sampled - <br /> MW7 Nov-97 <5 0 <5 0 <1 0 <1 0 <1 D <br /> Feb-98 __ _- <100 <5 0 <5 0 <5 0 <5 0 -- <br /> May-99 - -- <50 <5 0 <5 0 <5 0 <5 0 - <br /> Aug-99 <br /> _= -- <50 <5 0 <5 0 <5 D <5 0 == <br /> Nov-99 <50 12 <5 4 <5 0 <5 0 <br /> Feb-00 -- - <50 24 <5 0 -- <br />' May-00 <500 <250 <50 33 <5 0 <5 0 <5 0 <5 0 <5 0 <br /> Aug-DO 600 <254 <SD <5 4 <5 0 <5 4 <5 D <S 0 <5 0 <br /> . Nov-00 <500 <250 <50 12 <5 0 v 4 <5 0 <5 D <5 0 <br /> Mar 01 <500 <250 <20 3 9 <2 0 <2 0 <2 0 <2 0 <2 0 <br />' May-01 - - <20 7 0 <20 <2 4 <2 0 <2 0 <2 0 <br />