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n° 6 C*BRIA
<br /> W
<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 ETRE TAME Methanol TBA
<br /> 1D Sampled (Concentrations in ppb)
<br /> -- -- 147,000 192,000 ---
<br /> 09/09/99 `-- --- -"" ---
<br /> -- 110,000 127,000 --- --- --- '--
<br /> 09/13l99 --- '-- --" ---
<br /> --- --- 95,800 99,800 --- --- --- --- `--
<br /> 09/22/99
<br /> -- --- 110,000 114,000 --- --- ---
<br /> 09/29/99 --- ---
<br /> "` _ --`
<br /> 10/07/99 --- --- 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 <100,000
<br /> 11/02/99 --- --- 72,800 72,500 --- --- --- --- --- --- ---
<br /> 11/09/99 --- .-- 78,200 99,700 --- --- --- --- --- --- -
<br /> 11/17/99 --- --- 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 --- --- 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 W <1 (X) <1 00 <1 000 <20 0
<br /> 07/28/99 <0 500/<0 500 <0 5001<0 5(X) 31 5 306 <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 /> 4of5
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