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<br /> ® � CAMB RIA Y
<br /> Table 2. Ground Water Analytical Data- Oxygenate Compounds- Shell-branded Service Station Incident#98995874, 341 E Main Street,Ripon,
<br /> Californ a
<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 /> 11/18/98 --- --- 3,300 --- --- --- --- --- --- --- ---
<br /> 11/24/98 ---
<br /> --- 130,000 130, --- --- --- ---
<br /> --- --- ---
<br /> --- 138,000 1 --- ---
<br /> --- ---
<br /> 12/Oi/98 --- --- --- ---
<br /> --- 130,000 130,000 --- --- ---
<br /> 12/17/98
<br /> --- --- --"
<br /> --- 190,000 1 --- --- ---
<br /> --- ---
<br /> 12/17/98 --- --- ---
<br /> --- --- 100,000 69,000 --- --- --- ---
<br /> 12/29/98
<br /> -"
<br /> --- 139,000 127,000 --- --- --- --- ---
<br /> 01/06/99
<br /> --
<br /> 12/29/98 --- -"- '-'
<br /> 0 I/06199 --- "- ---
<br /> --- --- ---
<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 /> --- 180,000 --- ---
<br /> 02/11/99 --- ---
<br /> --
<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 /> ------ --- 112,000 151,000 --- --- --- --- --- --- ---
<br /> --- --- 132,000 114,000 --- --- --- --- --- ---
<br /> 03/19/99 ---
<br /> --- 113,000 81,800 -- --- --- ---
<br /> 03/22/99 --_ --- --- ---
<br /> 04/08/99 --- --- 9,780 13,000 --- --- --- --- --- --- ---
<br /> --- --- 97,200 102,000 ---
<br /> 04/14/99 --' --- --- --- --- ---
<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 24,100 --
<br /> 04/29/99 --_ - --- --- "-- ---
<br /> --- ---
<br /> 05/06/99 --- --- 64,500 104,000 --- --- --- --- --- ---
<br /> 05/13/99 -- --- <5 00 --- --- --- --- --- --- --- --- {
<br /> 05/18/99 -- --- 70,000 94,000 --- --- --- --- --- ---
<br /> ---
<br /> 05/25/99
<br /> 05125199 --- --- lll,000 1 -
<br /> I
<br /> --- --- --- ---
<br /> g 1npNPlgmklmtable ds 1 Of 5
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