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TABLE 1B
<br /> ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA
<br /> Former Mobil Service Station 99CAS
<br /> 75 E.Alpine Avenue
<br /> Stockton,California
<br /> (Page 2 of 7)
<br /> well Sampling DIPS EI'BE TAME TSA 1.2-DCA E0B Ethanol Melhanol
<br /> ID Hate (Ng 0 (PA) (!ig/L) (u9/L) (p9/L) WIL) (pg/L) (ug/L)
<br /> MW3 03/26/07 <1,000 <1,000 <1,000 <1,000 <1,000 <1,000 <5,000 <100
<br /> MW3 06/28/07 <20 <20 <20 <20 2.7 <20 <100 <100
<br /> MW3 09/12/07 <20 <20 <20 <20 3.5 <20 <100 <100
<br /> MW3 11/26/07 <20 <20 <20 <20 3.3 <20 <100 <100
<br /> MW3 02/28/08 <10.0 <10.0 <10.0 <10.0 3.70 <10.0 <100 <5,000
<br /> MW3 05/29/08 <10.0 <10.0 <10.0 <10.0 2.72 <10.0 <100 <5,000
<br /> MW3 08/27/08 <20 <20 <20 <20 5.2 <20 <100 <100
<br /> MW3 11/13/08 <20 <20 <20 <20 6.7 <20 <100 <100
<br /> MW3 01/28/09 <20 <20 <20 <20 5.9 <20 <100 <100
<br /> MW3 04/29/09 <20 <20 <20 <20 5.1 <20 <100 <100
<br /> MW3 07/14/09 <200 <200 <200 <200 5.2j <200 <1,000 <100
<br /> MW3 10/28/09 <20 <20 <20 <20 5.2 <1.0 <100 <100
<br /> MW3 01/25/10 <10 <10 <10 <10 2.6 <0.50 <50 <100
<br /> MW3 04/07/10 <0.50 <0.50 <0.50 <10 --- --- <50 <100
<br /> MW3 08/10/10 <0.50 <0.50 <0.50 <10 - <50 <100
<br /> MW3 10/06/10 <0.50 <0.50 <0.50 <10 --- --- <50 <100
<br /> MW3 02/09/11 <0.50 <0.50 <0.50 <10 1.7 <0.50 <50 <100
<br /> MW3 05/19/11 <0.50 <0.50 <0.50 <5.0 3.4 <0.50 ---
<br /> MW3 09/22/11 <0.50 <0.50 <0.50 <5.0 2.1 <0.50 ---
<br /> MW3 12/01/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 ---
<br /> MW3 03/15/12 <0.50 <0.50 <0.50 <5.0 0.60 <0.50 --- ---
<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 <50 <50 <50 <2,000 67 89 <10,000 <1,000
<br /> MW4 01/28/09 <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 /> MW4 04/07/10 <1,000 <1,000 <1,000 <20,000 -- -- <100,000 <100
<br /> MW4 08/09/10 <1,000 <1,000 <1,000 <20,000 - -» <100,000 <100
<br /> MW4 10/05/10 <1,000 <1,000 <1,000 <20,000 -- --- <100,000 <100
<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 1 �-
<br /> MW4 11/30/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 -- --
<br /> MW4 03115/12 <1,000 <1,000 <11000 <10,000 <1,000 <1,000 �-- ---
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