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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 /> Well TBA MTBE D1PE ETBE TAME 1,2-DCA EDB Ethanol Methanol
<br /> Number Date
<br /> MW-6 06/21/00 <200 4,120 <2 41 464 <2 <2 <3,000 <1
<br /> 09/08/00 <200 6,690 <2 50 81 <2 <2 <3,000 108
<br /> 12/11/00 <200 7,060 [2] <2 308 928 <2 <2 <3,000 <1
<br /> 03/22/01 <200 <2,000 [4] <20[4] <20 [4] <20 [4] <20[4] <20 [4] NA NA
<br /> 05/24/01 241 16,100 <2 447 211 <2 <2 NA NA
<br /> 09/14/01 <2,000 22,000 <20 <20 22 <20 <20 NA NA
<br /> 12/14/01 <50 14,000 <50 <5 0 17 <5 0 <5 0 NA NA
<br /> 02/21/02 <5,000[3] 45,000 <500[3] <500[3] <500[3] <500[3] <500[3] NA NA
<br /> 04/23/02 <5,000[3] 50,000[3] <500[3] <500[3] <500[3] <500[3] <500[3] NA NA
<br /> 09/19/02 590 69,000 <50 <50 110 <50 <50 <5,000 NA
<br /> 12/11/02 <40,000 85,000 <1,000 <1,000 <1,000 <1,000 <1,000 NA NA
<br /> 01/14/03 <40,000 67,000 <1,000 <1,000 <1,000 NA NA NA NA
<br /> 02/12/03 <20,000 42,000 <500 <500 <500 NA NA <40,000 NA
<br /> 02/26/03 <40,000 31,000 <1,000 <1,000 <1,000 <1,000 <1,000 <80,000 NA
<br /> 05/19/03 <4,000 A 59,000 A <200 A <200 A <200 A <100 A <100 A <20,000 A NA
<br /> 09/09/03 <100,000 A 49,000 A <5,000 A <5,000 A <5,000 A <2,500 A <2,500 A <500,000 A NA
<br /> I2/10/03 <2,000[9] J 46,000[9,10] J <100[9] J <100[9] J <100[9] J <50[9] J <50[9] J <10,000[9] J NA
<br /> 03/04/04 <4,000 A 37,000 A <200 A <200 A <200 A <100 A <100 A <20,000 A NA
<br /> 06/08/04 <20,000 A 15,000 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 12,000 A <250 A <250 A <250 A <250 A <250 A <50,000[17] J NA
<br /> 12/09/04 <5,000 A 7,700 A <250 A <250 A <250 A <120 A <120 A <25,000 A NA
<br /> I
<br /> 5TRArU5
<br /> Arco_5469_Quarter1y_Data
<br /> 6of11
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