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CAMB RIA
<br /> Table 2. Ground Water Analytical Data - Oxygenate Compounds- Shell-branded Service Station Incident#98995874, 341 E. Main Street,Ripon,
<br /> California II
<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 /> ID Sampled (Concentrations in ppb)
<br /> I
<br /> MW-1 04/28/98 --- 92,000 150,000 <500 <100 <2.0 <2.0 44 20,000 ---
<br /> 07/28/98 <5.0 <5.0 5,200 160,000 <625,000 <125,000 <2,500 <2,500 <2,500 32,000 ---
<br /> 10/07/98 <25 <25 130,000 _ 130,000 <100,000 <20,000 <400 <400 <400 30,000 ---
<br /> 11/10/98 -=- --- 210 --- --- --- --- --- --- ---
<br /> 11/18/98 --- - 3,300 --- --- --- --- --- --- --- ---
<br /> 11/24/98 --- --- 130,000 130,000 --- --- --- --_ ---
<br /> 12/01/98 --- --- 138,000 155,000 --- _ - -_- -_-
<br /> 12/08/98 --- --- 130,000 130,000 --- --- _-- --- --- --- ---
<br /> 12/17/98 -=- --- 190,000 160,000 --- --- --- ___ ---
<br /> 12/23/98 --- --- 100,000 69,000 --- --- _-_ ___ ___ ___
<br /> 12/29/98 --- --- 139,000 127,000 --- --- --- --- --- --- ---
<br /> 01/06/99 - - --- 145 --- --- --- --- --- --- --- ---
<br /> 01/14/99 - - - 88,100 86,700 --- --- --- _--
<br /> 01/19/99 <50.0 <50.0 152,000 156,000 <500,000 --- <5,000 <5,000 <5,000 95 <100,000
<br /> 01/28/99 <25,'000 --- 133,000 149,000 --- :-- -__ _-- _
<br /> 02/02/99 --- --- 85,000 92,000 --- --- --- --- --- --- ---
<br /> 02/11/99 --- --- 180,000 --- --- --- --- --- --- --- ---
<br /> 02/18/99 --- --- 140,000 110,000 --- --- --- --- --- 50 ---
<br /> 02/24/99 --- --- 150,000 160,000 --- --_ ___ ---
<br /> 03/02/99 --= --- 500,000 145,000 --- --- _-- _-- _-- ---
<br /> 03/11/99 --- --- 112,000 151,000 --- --- --- --- --- --- ---
<br /> 03/19/99 --- --- 132,000 114,000 --- --- ---
<br /> 03/22/99 --- --- 113,000 81,800 --- --- ___ ___ -__ ___
<br /> 04/08/99 --- --- 9,780 13,000 --- --- _-- _-- --- --- ---
<br /> 04/14/99 --= --- 97,200 102,000 --- --- --_ --_ ___ ___ ---
<br /> 04/22/99 <0.50 <500 30,100 35,900 <100,000 --- <1,000 <1,000 <1,000 29,000 <2000
<br /> 04/29/99 --- --- 19,000 24,100 --- --- --- --- --- --- ---
<br /> 05/06/99 --- --- 64,500 104,000 --- --- --- _-- ---
<br /> 05/13/99 --- --- <5.00 --- --- --_
<br /> --- --- --- --- ---
<br /> OS/i8/99 --- --- 70,000 94,000 --- --- --- -__ _-- _-- _--
<br /> 05/25/99 --= --- 111,000 138,000 --- --- --- --- --- --- ---
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