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<br /> CAT4BRIA _
<br /> Table 2. Ground Water Analytical Data- Oxygenate Compounds- Shell-branded Service Station Incident#98995874, 341 E Main Street,Ripon,
<br /> California
<br />' MTBE by MTBE by
<br /> Sample Date 1,2-DCA EDB EPA 8020 EPA 8260 Ethanol t-Butanol DIPE ETBE TAME Methanol TBA
<br /> 10
<br /> ID Samples! do (Concentrations in ppb)
<br /> 147,000 192,000 --- --- --- ---
<br /> 09/09/99 --- -
<br /> --- 110,000 127,000 --- --- ---
<br /> 09/13/99 --- -�- ---
<br /> --- 95,800 99,800 --- --- --- --- ---
<br /> 09/22/99 --- --- __
<br /> --- 110,00 , -
<br /> 09/29/99 0 114000 --- --- --- --- ---
<br /> -
<br /> 10107/99 65,700 92,000 --- ... --- .-. --- ---
<br /> 10/13/99 68,900 225,000 --- ... --- --- _-- --- ---
<br /> � 10/19/99 --- --- 144,000 117,000 --- --- '-- --- "-- --- ---
<br /> 10/27/99 <0.500 --- --- 84,000 <500,000 --- <1,000 <1,000 <1,000 2,730 <I00,000
<br /> 11/02/99 72,800 72,500 --- --- --- _.. ---
<br /> 11/09/99 78,200 99,700 --- --- ... --- _._ '-- ---
<br /> 1,1/17/99 120,000 91,600 --- ... _-" --- --- ---
<br /> 11/23/99 . 58,000 94,000 --- --- --- ---
<br /> 12/03/99 123,000 110,000 --- --- ... --- .._ ... ---
<br /> 12/07/99 85,100 75,000 --- ... ...
<br /> 12/15/99 --- --- 218,000 104,000 --- "--
<br /> 12/22/99 114,000 141,000* --- ... --- --- .._ --" ---
<br /> 12/29/99
<br /> _-- -_- 150,000 99,200 --- ... --- --- --- ...
<br /> EW-2 03/11/99 <0 500 <0 500 <2 00 291 --- --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 04/22/99 <0 50 <0 500 <5 00 0 537 <100 --- <1 00 <1 00 <1 00 <1,000 <20 0
<br /> 07/28/99 <0 5001<0 500 <0 5001<0 500 315 306 <100 --- <1 00 <1 00 <1 00 1,020 <20 0
<br /> 10/27/99 <0 500 --- --- 1,620 <10,000 --- <20.0 <20.0 <20 0 1,300 <2,000
<br /> I
<br /> 9 1npNPgmklmtable xi, 4 of 5
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