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i <br /> ' TABLE 5 <br /> OXYGENATED COMPOUNDS IN GROUNDWATER <br /> i ' Knowles - Roek <br /> . Stockton, California <br /> Page 8 of 9 <br /> i ' (in parts per billion) <br /> Well Date jXe*'anoIj Ethanol: TBA MTBE PIPE ETRE TAME 1,2 DCA ED:):B]l <br />� 1MW12 Aug-00 <500 <250 <50 <5 0 <5 0 <5 0 <5 0 35 <5 0 <br /> Cont'd Nov-00 <500 <250 <50 <5 0 <5 0 <5 0 <5 0 21 <5 0 <br /> Mar-01 <500 <250 <20 13 <2 0 <2 0 <2 0 81 <2 0 <br /> ' May-01 -- -- <20 34 <2 0 <2 0 <2 0 98 <2 0 <br /> Aug-01 -- -- <20 48 <2 0 <20 <2 0 13 <2 0 <br /> Dec-01 Not Sampled <br /> Feb-02 -- -- <20 200 1 <2 0 1 <2 a <2 0 19 <2 0 <br /> May-02 Not Sampled <br /> Aug-02 -- -- <20 110 <2 a <2 a <2 0 19 <2 a <br /> ' Nov-02 -- Not Sampled <br /> Feb-03 -- <20 78 <2 0 <20 <2 0 18 <2 0 <br /> MW 13 Nov-97 -- <50 <5 0 <5 0 <5 0 <5 0 -- -- <br /> Feb-98 <500 <30 <30 <30 <30 =_ <br /> May-98 <600 <60 <60 <60 <60 <br /> Aug-98 -- -- <250 <50 <50 <50 <50 -- -- <br /> Nov-98 =� <500 <100 <100 <100 <100 =_ =Y <br /> Feb-99 <5,000 <100 <100 <100 <100 <br /> May-99 -- -- <50 <500 <50 <50 <50 -- -- <br /> ' Aug-99 -- -- <500 <50 <50 <50 <50 -- -- <br /> Aug-00 <10,000 <5,000 <1,000 I <100 <100 <100 <100 <100 <100 <br /> Nov-00 <20,000 <10,000 <2,000 <200 <200 <200 <200 <200 <200 <br /> ' Mar-01 <50,000 <25,000 <2,000 <200 <200 <200 <200 <200 <200 <br /> May-01 <2,000 <200 <200 <200 <200 <200 <200 <br /> Aug-01- Not Sampled <br /> ' <br /> Nov-02 <br /> Jan-03 I Well Destroyed <br /> MW13B Jan-03 -- -- <1,000 <100 <100 <100 <100 <100 <100 <br /> ' I Feb-03 I <2000 <200 1 <200 <200 <200 <200 <200 <br /> MW 14 Mar-01 <50,000 <25,000 <2,000 24,000 <200 <200 <200 <200 <200 <br /> May-01 -- -- <5 000 15,000 <500 <500 <500 <500 <500 <br /> ' <br /> Aug-01 Y= <400 3,100 <40 <40 <40 <40 <40 <br /> Dec-01 <500 34,000 <50 <50 <50 370 <50 <br /> Feb-02 -- -- <1,000 70,000 <100 <100 <100 <100 <100 <br /> ' May-02 -- <10,000 81,000 <1,000 <1,000 <1,000 <1,000 <1,000 <br /> Aug-02 <10,000 140,000 <1,000 <1,000 <1,000 <1,000 <1,000 <br /> Nov-02 -- -- <10,000 210,000 <1,000 <1,000 <1,000 <1,000 <1,000 <br /> ' Feb-03 -- -- <2000 110,000 <200 <200 <200 <200 <200 <br /> MW15A Jan-03 <20 34 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> Feb-03 -- -- <20 59 <2 0 <2 0 <2 0 45 <2 0 <br /> ' MW15B Jan-03 -- <20 76 <2 0 <2 0 <2 0 55 <2 0 <br /> Feb-03 <20 86 <2 0 <2 0 <2 0 84 <2 0 <br /> MWI5C Jan-03 -- -- <20 <2 0 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> ' Feb-03 -- -- <20 <2 0 <2 0 1 <2 0 <2 0 <2 0 <2 0 <br /> I <br /> I <br />