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TABLE
<br /> OXYGENATED COMPOUNDS IN GROUNDWATER
<br /> Knowles-Roek
<br /> Stockton,California
<br /> Page 10 of 11
<br /> (in parts per billion)
<br /> d.
<br /> MW 13 Nov-97 <50 1 <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 <too <100 <100 <100
<br /> May-99 <50 <500 <50 <50 <50
<br /> Aug-99 <500 <50 <50 <50 <50
<br /> 'a
<br /> rFeb-99
<br /> May-99
<br /> A,ag_gg
<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 <200 1 <200 <200 <200
<br /> LMar-01 1: <50,000 <25,000 <2,000 <200 <200 <200 1 <200 <200 <200
<br /> May-01 -- -- <2,000 <200 <200 <200 1 <200 <200 <200
<br /> Aug-01- Not Sampled
<br /> Nov-02
<br /> Jan-03 Well Destroyed
<br /> MW13B Jan-03 <1,000 I <too <100 <too I <too <100 <100
<br /> Feb-03 <2000 <200 <200 <200 <200 <200 <200
<br /> May-03 <2,000 <200 <200 <200 <200 940 <200
<br /> Aug-03 <2,000 <200 <200 <200 <200 230 <200
<br /> Nov-03 <2,000 <200 <200 <200 <200 <200 <200 1
<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 /> MW 14 Mar-01 <50,000 <25,000 <2,000 24,000 <200 <200 <200 <200 <200 i
<br /> May-01 -- <5,000 15,000 <500 <500 <500 <500 <500
<br /> Aug-OI <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 <t00 <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 <1,400 <1'000 <1,000 <1,000
<br /> Feb-03 <2000 110,000 <200 <200 <200 <200 <200
<br /> May-03 <10,000 100,000 <I,000 <1'000 <1'000 <1,000 <1,000
<br /> Aug-03 <2,000 63,000 <200 <200 <200 <200 <200
<br /> Nov-03 <4,000 82,000 <400 <400 <400 <400 <400
<br /> Feb-04 <2,000 57,000 <200 <200 <200 <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 /> Aug-03
<br /> Nov-03
<br /> Feb-04
<br /> May-04
<br /> Aug-04 VNov-041 <1,000 45,000 <100-L <too <too <100 <100
<br /> MW 15A Jan-03 <20 34 <2.0 <2.0 <2.0 <2.0 <2.0
<br /> Feb-03 <20 59 <10 <2.0 <2.0 4.5 <2.0
<br /> May-03 <20 33 <2.0 <2.0 <2.0 4.7 <2.0
<br /> Aug-03 <20 8.6 <-0 <2.0 <2.0 2.6 <2.0
<br /> Nov-03 <20 1 6.9 <10 <2.0 <2.0 4.3 <2.0
<br /> Feb-04 <20 9.3 -,--2.0 <2.0 <2,0 5.5 <2.0
<br /> May-04 <20 4.6 4.0 <10 <2.0 6.0 <2.0
<br /> Aug-04' <20 3.0 <2.0 <10 <.2.0 3.2 <2.0
<br /> Nov-04 <20 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
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