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TABLE 1B
<br /> ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA
<br /> Former Mobil Service Station 99CAS
<br /> 75 East Alpine Avenue
<br /> Stockton,California
<br /> (Page 3 of 9)
<br /> Well Sampling DIPS ETRE TAME TBA 1.2-DCA EDI3 Ethanol Methanol
<br /> ID Date (lag/L) (ug/L) (ug/L) (Ng/L) (ug/L) (ug/L) (Ng/L) (Ng/L)
<br /> MW4 03/26/07 <20,000 <20,000 <20,000 <20,000 <20,000 <20,000 <100,000 <5,000
<br /> MW4 06/28/07 <20,000 <20,000 <20,000 <20,000 <20,000 <20,000 <100,000 <5,000
<br /> MW4 09/12/07 <20,000 <20,000 <20,000 <20,000 <20,000 <20,000 <100,000 <1,000
<br /> MW4 11/26/07 <20,000 <20,000 <20,000 <20,000 <20,000 <20,000 <100,000 <1,000
<br /> MW4 02/28/08 <0.500 <0.500 <0.500 11.6 113 177 <100 <5,000
<br /> MW4 05/29/08 <10.Oj <10.Oj <10.Oj <200j,p <10.Oj 172 <2,OOOj <5,000
<br /> MW4 08/27/08 <25 <25 <25 <1,000 76 130 <5,000 <1,000
<br /> MW4 11/13/08
<br /> <50 <50 <50 <2,000 67 89 <10,000 <1,000
<br /> MW4 01/28109
<br /> -250 <250 <250 <5,000 <250 64j <25,000 <100
<br /> MW4 04/29/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> MW4 07/14/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> MW4 10/28/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> MW4 01/25/10 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> -1,000 <1,000 <1,000 <20,000 <100,000 <100
<br /> MW4 04107/10 --- ---
<br /> -1,000 <1,000 <1,000 <20,000 <100,000 <100
<br /> MW4 08/09/10 --- •--
<br /> -1,000 <1,000 <1,000 <20,000 <100,000 <100
<br /> MW4 10105/10 --- "
<br /> MW4 02/09/11 <1,000 <1,000 <1,000 <20,000 <1,000 <1,000 <100,000 <100
<br /> MW4 05/19/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 •-• --
<br /> MW4 09/22/11 I -- -- --
<br /> MW4 11/30/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000
<br /> MW4 03/15/12 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000
<br /> MW4 05/04/12 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 --- ---
<br /> MW4 08/24/12 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 -
<br /> MW4 10/24/12 <670 <670 <670 <6,700 <670 <670 ---
<br /> MW4 02/01/13 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 --- ...
<br /> MW4 05/03/13 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000
<br /> MW4 08/22/13 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000
<br /> MW4 12/18/13 <400 <400 <400 <4,000 460 <400 --- ---
<br /> MW5 03/26/07 <10,000 <10,000 <10,000 <10,000 <10,000 <10,000 <50,000 <1,000
<br /> MW5 06/28/07 <2,000 <2,000 <2,000 <2,000 <2,000 <2,000 <10,000 <1,000
<br /> MW5 09/12/07 <1,000 <1,000 <1,000 <1,000 <1,000 <1,000 <5,000 <1,000
<br /> MW5 11/26/07 <1,000 <1,000 <1,000 <1,000 <1,000 -1,000 <5,000 <1,000
<br /> MW5 02/28/08 <0.500 <0.500 <0.500 <10.0 <0.500 <0.500 <100 <5,000
<br /> MW5 05/29/08
<br /> -0.500 <0.500 <0.500 <10.0 <0.500 <0.500 <100 <5,000
<br /> MW5 08/27/08 <1.0 <1.0 <1.0 <40 1.4 <1.0 <200 <100
<br /> MW5 11/13/08 <0.50 <0.50 <0.50 <20 1.2 <0.50 <100 <500
<br /> MW5 01/28/09 <5.0 <5.0 <5.0 <100 <5.0 <5.0 <500 <100
<br /> MW5 04/29/09 <25 <25 <25 <500 <25 <25 <2,500 <100
<br /> MW5 07/14/09 <10 <10 <10 <200 <10 <10 <1,000 150
<br /> MW5 10/28/09 <10 <10 <10 <200 <10 <10 <1,000 <100
<br /> MW5 01/25/10 <50 <50 <50 <1,000 <50 <50 <5,000 <100
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