A r
<br /> CA B RIA
<br /> Table 1. Groundwater Analytical Data-Oxygenate Compounds - Shell-branded Service Station - Incident#98995874, 341 E. Main Street, Ripon, 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 /> ID Sampled (Concentrations in ppb)
<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
<br /> --- --- ---
<br /> --- ---
<br /> --- 21 `-" --- --- ---
<br /> 11/18/98 --_ 3,300 --- "- ---
<br /> --- 130,000 130,000 ---
<br /> 11/24/98 --- ---
<br /> --- --- ---
<br /> 12/01/98 --- --- 138,000 155,0 --- --- --- --- ---
<br /> --- ---
<br /> 12/08/98 ---
<br /> --- 130,000 130,00 --- --- --- ---
<br /> --- --- ---
<br /> --- 190,000 160,000 --- - --- -- ---
<br /> 12/17/98 --- ---
<br /> --- 100,000 - --- -- ---
<br /> 12/23/98 --- ---
<br /> 139,000 127, '-- --
<br /> /2129/48 --- --- ---
<br /> --- 145 --- --- --- --- ---
<br /> 01/06/99 --- --- --- ---
<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 ---
<br /> --- 85,000 92,00 --- --- --- --`
<br /> --- --- ---
<br /> 02/11/99 --- --- 180,000 --- -- --- --- --- --- --- - -
<br /> 02/18/99 ___ ___ 140,000 110,000 --- --- ---
<br /> --- --- 50 ---
<br /> ___ --- 150,000 160,000 --- --- ---
<br /> 02/24/99 -"- --- ---
<br /> --- 500,000 14 --- ---
<br /> 03/02/99 --- -"- ---
<br /> --- 112,000 151,00 -- ---
<br /> 03/11/99 --- --- "'
<br /> 03/19/99 ---
<br /> --- 132, --- --- ---
<br /> --- ---
<br /> 03/22/99 --- --- 113,000 81,80 --- --- --- -`- ---
<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 <20,000
<br /> --- 19,000 24,10 --- ---
<br /> --- --- ---
<br /> 04/29/99 --- --- ---
<br /> 05/06/99 --- --- 64,500 104,000 - - - - --- ---
<br /> 05/13/99 --- --- <5A0 --- --- --- --- --- --- --- ---
<br /> 70,000 94,000 ---
<br /> 05/18/99 --- ---
<br /> 05/25/99 --- 111,000 138,000 --- --- --- --- "-- "--
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