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TABLE 2
<br /> GROUNDWATER ANALYTICAL RESULTS
<br /> FOR OXYGENATES AND ADDITIONAL COMPOUNDS
<br /> ARCO Service Station No 5469
<br /> 130 South Wilson Way, Stockton,California
<br /> USEPA USEPA
<br /> Method 8260 Method 8015 M
<br /> _
<br /> Well TBA MTBE DIPE ETBE TAME 1,2-DCA EDB Ethanol Methanol
<br /> Number Date
<br /> MW4 06/21/00 <200 2,290 <2 <2 <2 <2 <2 <3,000 481
<br /> 09/08/00 <200 1,220 <2 <2 <2 <2 <2 <3,000 <1
<br /> 12/11/00 <200 3,230 <2 <2 <2 <2 <2 <3,000 <1
<br /> 03/22/01 <200 5,100 [2] <2 <2 <2 <2 <2 NA NA
<br /> 05/24/01 <200 5,610 <2 <2 <2 <2 <2 NA NA
<br /> 09/14/01 <2,000[4] 24,000 <20[4] <20[4] <20[4] <20[4] <20[4] NA NA
<br /> 12/14/01 <250 25,000 <25 <25 <25 <25 <25 NA NA
<br /> 02/21/02 <1,200[3] 29,000 <120[3] <120[3] <120[3] <120[3] <120[3] NA NA
<br /> 04/23/02 <5,000[3] 17,000[3] <500[3] <500[3] <500[3] <500[3] <500[3] NA NA
<br /> 09/19/02 <250 17,000 <25 <25 <25 <25 <25 <2,500 NA
<br /> 12/11/02 <10,000 21,000 <250 <250 <250 <250 <250 NA NA
<br /> 01/14/03 <10,000 13,000 <250 <250 <250 NA NA NA NA
<br /> 02/12/03 <10,000 18,000 <250 <250 <250 NA NA <20,000 NA
<br /> 02/26/03 <20,000 4,000 <500 <500 <500 <500 <500 <40,000 NA
<br /> 05/19/03 <4,000 A 22,000 A <200 A <200 A <200 A <100 A <100 A <20,000 A NA
<br /> 09/09/03 <10,000 A 22,000 A <500 A <500 A <500 A <250 A <250 A <50,000 A NA
<br /> 12/10/03 <2,000[9] J 22,000[9] J <100[9] J <100[9] J <100[9] J 96[9] J <50[9] J <10,00019] J NA
<br /> 03/04/04 <4,000 A 33,000 A <200 A <200 A <200 A <100 A <100 A <20,000 A NA
<br /> 06/08/04 <20,000 A 23,000 A <1,000 A <1,000 A <1,000 A <500 A <500 A <100,000 A NA
<br /> 09/14/04 <10,000 A 23,000 A <250 A <250 A <250 A <250 A <250 A <50,000[17] J NA
<br /> 12/09/04 <10,000 A 20,000 A <500 A <500 A <500 A <250 A <250 A <50,000 A NA
<br /> i
<br /> 5rRAW5
<br /> Arco_5469_Quamdy_Data
<br /> 4of11
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