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I TABLE 3 OXYGENATED COMPOUNDS IN GROUNDWATER Knowles- Roek Stockton,California . Page 9ofll (in parts per billion) WeII-� D #e Meth not Ethanol TB�mV ` �La -, A MTBE DIPJ(; >FTBEt 1,2 DCA EDB- I MW 11 Nov-00 1 <500 j <23-0—T--<--5-0 <5 0 <5 0 <5 0 <5 0 10 <5 0 Cont'd Mar-01 <SQO <250 <20 <2 0 <2 0 <2 0 <2 0 42 <20 May-01 -- - <20 <2 0 <2 0 <2 0 <2 0 86 <2 0 Aug-01 _ Not Sampled Dec-01 <20 3 1 <20 <2 0 <2 0 41 <2 0 Feb-02 Not Sampled May-02 — <20—F-71 1 <2 0 <2 0 <2 0 ---i-6 <2 0 Aug-02 Not Sampled Nov-02 -- -- <20 23 1 <2 0 <2 0 <2 0 5 8 <2 0 Feb-03 Not Sampled May-03 -- <20 26 1 29 <20_ <2 0 10 <2 0 Aug-03 Not Sampled Nov-03 -- -- <20 78 1 23 <2 0 <2 0 7 7 <2 0 Feb-04 -- Not Sampled �1av-04 <20 120 <2 0 <2 0 <2 0 11 <2 0 Aug-04 Not Sampled ' Nov-04 I <40 520 <4 0 <4 0 <4 0 10 <4 0 MAT12 Nov-97 - 42 <5 0 70 <1 0 <1 0 Feb-98 110 <5 0 <5 0 <5 0 <5 0 Ntav-98 y` == 49 <5 0 19 <1 0 <l 0 _ -- Aug-98 58 <1 0 34 <1 0 <1 0 'Nov-98 -- - 45 <1 0 33 <10 <1 0 -- - i I-eb-99 -- 18 12 27 <1 0 <1 0 -- -- htav-99 _- <50 <5 0 <5 0 <5 0 <5 0 =� Aug-99 <50 <5 0 <5 0 <5 0 <5 0 Nov-99 — - <50 <5 0 <5 0 <5 0 <5 0 -- - Feb-00 May-00 1 Aug-00 <500 <2M <50 <5 0 <5 0 <5 0 <5 0 35 <5 0 r Nov-00 <500 <250 <50 <5 0 <5 0 <5 0 <5 0 21 <5 D Mar-OI <500 <250 <20 13 4.0 <2 0 <2 0 8 1 <2 0 May-01 -- -- <20 34 <2 0 <2 0 <2 0 93 <2 0 Aug-01 -- -- <20 48 <2 0 <2 0 <2 0 13 <2 0 r Dec-01 - - Not Sampled Feb-02 <20200 <20 <2 0 <2 0 19 <2 0 May-02 Not Sampled r Aug-02 -- <20 1 130 1 <2-0 1 <2 0 1 <2 0 19 <2 0 Nov-02 Not Sampled Feb-03 -- — <20 78 1 <2 0 1 <2 0 1 <2 0 18 <2 0 May-03 __ Not Sampled Aug-03 <20 1 60 1 <20 1 <2 0 1 <2 0 21 <2 0 Nov-03 Not Sampled Feb-04 1 <20 51 U<2 0 <2 0 <2 0 16 <2 0 r May-04 — _ Not Sampled Aug-04 <20 110 1___<20 <2 0 <2 0 23 1 <2 Q Nov-04 Not Sampled r r