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TABLE 3 <br /> ' OXYGENATED COMPOUNDS IN GROUNDWATER <br /> Knowles-Roek <br /> Stockton,California <br /> Page 1 of 12 <br /> (m pariv per billion) <br /> Well Date Methanol 'Ethanol TSA MTBE DIPS ETRE TAME 1,2 DCA EAB <br /> VW 1 Feb-98 <100 <5 0 t5 0 '50 50 -- <br /> Feb-00 670 <50 <50 <50 750 - <br /> May-00 <50 000 <25060- <5 000 <500 <500 <500 <500 <500 <500 <br /> Aug-00 <25,000 <12 500 <2 500 <250 <250 <250 <250 <250 490* <br /> Nov-00 <40 000 QO 000 <4,000 <400 <400 <400 <400 <400 1,200 <br /> Mar-01 <100 000 <50 000 <4 000 <400 <400 <400 <400 <400 590 <br /> May-01 - 2000 <200 <200Q00 <200 390 1,200 <br /> Aug-01 <2 000 <200 <200 1 <200 <200 630 800 <br /> Dec-01 Not Sampled <br /> Feb-02 <br /> May-02 <10 000 <1 000 <1 000 <1 000 <1 000 <1 000 <I 000 <br /> Aug-02 <10 000 <1 000 14,000 <1,000 <1 000 [1 000 <1 000 <br /> Nov 02 Not Sampled <br /> Feb-03 <2 000 <200 1 <200 <200 <200 <200 930 <br /> May 03 Not Sampled <br /> Aug 03 <2 000 <200 <200 <200 <200 360 720 <br /> Nov-03 Not Sampled <br /> Feb-04 <2 000 <200 <l00 <200 <200 510 240 <br /> May-04 Not Sampled <br /> Au-04 <2 000 <260 <200 <00 <200 1,700 <200 <br /> Nov-04 Not Sampled <br /> Feb 05 <2 000 <200 <200 <200 <200 1,100 <200 <br /> May-05 Not Sampled <br /> Aug-05 <4 000 <400 <400 <400 <400 830 <400 <br /> Dec-05 <1000 <100 <100 400 <100 1,200 <100 <br /> Mar-06 <500 <50 <50 <50 <50 830 <50 <br /> Jun-06 <500 <50 <50 <50 <50 1.100 270 <br /> VW2 Aug-00 <10,000 <5000 <1000 <100 400 <100 <100 <100 <100 <br /> Nov 00 -4000 e2 000 <400 <40 <40 <40 <40 <40 <40 <br /> Mar-01 <10000 <5 000 <400 <40 <40 <40 <40 <40 <40 <br /> May-Ol <200 <20 <20 <20 <20 <20 <20 <br /> Aug-01 Not Sampled <br /> Deo-01 <400 490 <40 <40 <40 <40 <40 <br /> Feb 02 <400 <40 <40 <40 <40 <40 <40 <br /> Ma 02 — <400 <40 <40 <4 <40 <40 <40 <br /> Aug 02- Not Sampled <br /> Feb 04 <br /> May 04 QO <2 0 <2 0 <2 0 '20 <2 0 <2 0 <br /> Aug 04- Not Sampled <br /> Jun-06 <br /> VW3 Nov 97 <100 <20 QO <20 <20 - <br /> Feb-99 <100 <5 0 <5 0 <5 0 <5 0 <br /> Feb-00 <50 <5 0 <5 0 <5 0 <5 0 May 00P<500 <250 <50 <5 0 <5 0 <5 0 <5 0 <50 <50Aug 0000 <250 <50 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0Nov 0000 <250 <50 <5 0 <5 0 <5 0 <5 0 <50 <5 0 <br /> Mar-01 <2 500 <1 250 400 <10 <10 <10 <10 <10 <10 <br /> May 01 Q0 i <2 0 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> Aug 01 -- <40 <4 0 <4 0 <4 0 <4 0 <4 0 <4 0 <br /> Dec 01 Not Sampled <br /> Feb 02 <20 <2 0 <2 0 <20 <2 0 <2 0 Q 0 <br /> May 02- Not Sampled <br /> Aup 02 <br />