TABLE 1 B
<br /> ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA
<br /> Fortner Mobil Service Station 99CAS
<br /> 75 E.Alpine Avenue
<br /> Stockton,California
<br /> (Page 6 of 8)
<br /> Well Sampling DIPE ETBE TAME TBA 1,2-DCA ED6 Ethanol Methanol
<br /> ID Date (pg/L) (pg/L) WIC) (P'2.L; (ug_) [.u�lti (pg/L) (p9/L)
<br /> DW4 07/14/09 <0.50 <0.50 <0.50 <10 1.1 <0.50 <50 260
<br /> DW4 10/27/09 <0.50 <0.50 <0.50 <10 0.81 <0.50 <50 <100
<br /> DW4 01/25/10 <0.50 <0.50 <0.50 <10 0.37 <0.50 <50 <100
<br /> DW4 04/07/10 <0.50 <0.50 <0.50 <10 --- --- <50 <100
<br /> DW4 08/09/10 <0.50 <0.50 <0.50 <10 --- --- <50 <100
<br /> DW4 10/05/10 <0.50 <0.50 <0.50 <10 --- -- <50 <100
<br /> DW4 02/09/11 <0.50 <0.50 <0.50 <10 <0.50 <0.50 <50 <100
<br /> DW4 05/18/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- ---
<br /> DW4 09/22/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --- -_
<br /> DW4 11/30/11 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 --
<br /> EX1 07/14/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 86j
<br /> EX1 10/27/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> EX1 01/25/10 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> EX1 04/07/10 <1,000 <1,000 <1,000 <20,000 --- --- <100,000 <100
<br /> EX1 08/10/10 <1,000 <1,000 <1,000 <20,000 - <100,000 73j
<br /> EX1 10/06/10 <1,000 <1,000 <1,000 <20,000 --- -- <100,000 <100
<br /> EX1 02/09/11 <1,000 <1,000 <1,000 <20,000 <1,000 <1,000 <100,000 <100
<br /> EX1 05/19/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 ---
<br /> EX1 09/22/11 _ --
<br /> EX1 11/30/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 --- ---
<br /> EX2
<br /> EX2 07/14/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 160
<br /> EX2 10/27/09 <1,200 <1,200 <1,200 <25,000 <1,200 <1,200 <120,000 <100
<br /> EX2 01/25/10 <1,000 <1,000 <1,000 <20,000 <1,000 <1,000 <100,000 <100
<br /> EX2 04/07/10 <500 <500 <500 <10,000 -- --- <50,000 <100
<br /> EX2 08/10/10 <1,000 <1,000 <1,000 <20,000 -- --- <100,000 <100
<br /> EX2 02/09/11 <1,000 <1,000 <1,000 <20,000 <1,000 <1,000 <100,000 <100
<br /> EX2 05/19/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 --- --
<br /> EX2 09/22/11 1 --- -_ __- _
<br /> EX2 11/30/11 <1,000 <1,000 <1,000 <10,000 <1,000 <1,000 --- --
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