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TABLE
<br /> OXYGENATED COMPOUNDS IN GROUNDWATER
<br /> Knowles-Roek
<br /> Stockton,California
<br /> Page 10 of 12
<br /> (in parts per billion)
<br /> T-
<br /> ...........
<br /> g
<br /> MW13 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
<br /> Feb-99 <5,000 1 <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 <100 <100 <100 <100 <100 <100
<br /> Nov-00 <20,000 <10,000 <2,000 <200 <200 400 <200 <200 <200
<br /> Mar-01 <50,000 <25,000 <2,0()0 <200 <200 <200 1 <200 4.00 <200
<br /> May-01 -- <2,000 <200 <200 <200 1 <200 <200 <200
<br /> Aug-01-
<br /> Nov-02 Not Sampled
<br /> I Jan-03 Well Destroyed
<br /> MW13B Jan-03 <1,000 <1o0 <100 <100 <100 <100 <100
<br /> Feb-03 <2000 <200 400 400 <200 <200 <200
<br /> May-03 4,000 <200 <200 <200 <200 940 <200
<br /> Aug-03 4,000 <200 <200 <200 <200 230 400
<br /> Nov-03 4,000 400 <200 <200 <200 400 400
<br /> Feb-04 <2,000 <200 <200 <200 <200 <200 <200
<br /> May-04 <1,000 <100 <100 <100 <100 530 160
<br /> Aug-04 <2,000 <200 <200 <200 <200 1,200 <200
<br /> Nov-04 <500 <50 <50 <50 <50 <50 <50
<br /> Feb-05 <2,000 400 <200 <200 <200 1,200 <200
<br /> L May-05 Not Sampled
<br /> MW14 Mar-01 <50,000 <25,000 <2,000 24,000 <200 400 <200 <200 <200
<br /> May-01 -- -- <5,000 15,000 <500 <500 <500 <500 <500
<br /> Aug-01 -e400 3,100 <40 <40 <40 <40 <40
<br /> Dec-01 <500 34,000 <50 <50 <50 370 <50
<br /> Feb-02
<br /> 4,000 70,000 <100 <100 <100 <100 <100
<br /> May-02 <I0,000 1 81,000 <1,000 4,000 I <1,000 4,000 I <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 /> May-03 40'000 100,000 <1,000 <1,000 <1,000 <1,000 <1,000
<br /> Aug-03 <2,000 63,000 400 400 <200 -200 <200
<br /> Nov-03 <4,000 82,000 <400 <400 1 <400 <400 1 <400
<br /> Feb-04 02,000 57,000 <200 400 400 <200 <200
<br /> May-04 <2,000 26,000 <200 <200 <200 <200 <200
<br /> Aug-04 <4,000 43,000 <400 <400 <400 <400 <400
<br /> Nov-04 <1,000 45,000 <100 <100 <100 <100 <100
<br /> Feb-05 <4,000 38,000 1 <400 <400 <400 <400 ;4110
<br /> May-05 Not Sampled
<br /> MW 15A Jan-03 <20 34 <2.0 <2.0 <2.0 <2,0 <2,0
<br /> Feb-03 <20 59 <2.0 <2.0 4,0 4.5 <2.0
<br /> May-03 <20 33 <2,0 4.0 <2.0 4.7 <2.0
<br /> Aug-03 <20 8.6 <2.0 <2.0 <2.0 2.6 <2.0
<br /> Nov-03 <20 6.9 <2.0 4.0 <2.0 4.3 <2.0
<br /> Feb-04 <20 9.3 <2.0 4.0 <2.0 5.5 <2.0
<br /> May-04 <20 4.6 <2.0 <2.0 <2.0 6.0 <2.0
<br /> Aug-04 <20 3.0 <2.0 <2,0 <2.0 3.2 <2.0
<br /> Nov-04 <20 4'0 <2.0 <2.0 <2.0 4.0 <2.0
<br /> Feb-05 <5.0 <0.5 <0.5 <0.5 <0.5 0.8 <0.5
<br /> May-05 <5.0 4.9 <0.5 <0.5-i <0.5 7.7 <0.5
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