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<br /> CAMBRIA
<br /> Table 1. Groundwater Analytical/Data - Oxygenate Compounds-Shell-branded Service Station Incident#98995$74, 341 E Main Street, Ripon, California
<br /> I II
<br /> MTBE by MTBE by
<br /> Sample Date 1,21DCA EDB EPA 8020 EPA 8260 Ethanol t-Butanol DIPS ETBE TAME Methanol TBA
<br /> I
<br /> ID Sampled -- (Concentrations in ppb)
<br /> 06/01/99 --- --- 78,400 89,500 --- --- --- --- --- --- ---
<br /> 06/08/99 -- --- 69,600 102,000 --- - --- --- ___ ---
<br /> 06/15/99 '--- --- 65,000 75,000 --- --- --- ___ ___ ---
<br /> 06/21199 --- --- 105,000 70,500 --- --- --- ___ _-- __- ---
<br /> 07/09/99 --- --- 58,100 --- --- --- --- --- --- --- ---
<br /> 07/12/99 --- --- 63,800 72,000 --- --- ___ ___ -__
<br /> 07/22/99 --- --- 62,800 69,500 --- --- --- ___ -_- --- ---
<br /> 00 <2
<br /> 07/28/99 <5001<0 500 <500/<0 500 72,300 48,900 <100,000 --- <1,000 <1,000 <1,000 <10,00,000
<br /> 08/05/99 L-- --- 40,600 45,600 --- --- --- --- --- --- ---
<br /> 08/11/99 --- --- 38,800 44,900 --- --- --- --- --- --- ---
<br /> 08/18/99 --- --- 39,700 59,500 --- --- --- --- _-- ___ ---
<br /> 08/27/99 --- --- 35,100 39,300 --- --- ---
<br /> 09/09/99 --- --- 26,200 28,500 --- --- --- --- --- --- ---
<br /> 09/13/99 --- --- 30,300 34,000 --- --- --- --- --- --- ---
<br /> 09/22/99 --- --- 34,500 34,000 --- --- _-_ ___ _-- --_ ---
<br /> 09/29/99 --- --- 41,600 23,700 --- --- --- ___ _-- ---
<br /> 10/07199 --- --- 15,000 25,800 --- --- --- --- --- --- ---
<br /> 10/13/99 --- --- 18,800 40,700 --- --- --_ --_ ---
<br /> 10/19/99 --- --- 16,100 19,700 --- --- --- --- --- --- ---
<br /> 10/27/99 <0500 --- --- 21,600 <125,000 --- <250 <250 <250 1,110 <25,000
<br /> 11/02/99 --- --- 14,100 15,900 --- --- _-- -__ ___ __- ---
<br /> 11/09/99 -- --- 18,400 20,800 --- --- --- _-- ___
<br /> 11/17/99 --- --- 19,200 14,800 --- --- --- --- --- ; --- ---
<br /> 11/23/99 --- --- 11,000 12,000 --- --- __- __- ___ ___ ---
<br /> 12/03/99 --- --- 13,100 11,600 --- --- ___ --- --- __-
<br /> 12/07/99 --- --- 12,600 9,980 --- --- --- --- --- --- ---
<br /> 12/15/99 --- --- 12,100 12,700 --- --- _-- _-- _-- _-- _--
<br /> 12/22/99 --- --- 25,700 24,900° --- --- --- --- --- --- ---
<br /> 12/29/00 --- --- 18,700 14,300 --- --- _-- _--
<br /> 01/06/00 --- I --- 16,900 13,700 --- --- --- --- --- _-- _--
<br /> 01112100 <0 500 <200 10,100 13,100 <50,000 --- <200 <200 <200 <I,000 <10,000
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