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<br /> CAMBRIA
<br /> Table 1. Groundwater AnalyticaliData- Oxygenate Compounds-Shell-branded Service Station Incident#989951874, 341 E Main Street, Ripon, California
<br /> 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 4 , I (Concentrations in ppb) „
<br /> MW-5B 01/12/00 <01500 --- <2 50 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 04/17/00 <01500 <1 00 <5 00 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 07/21/00 <1 00 <100 <2 50 <100 <400 --- <1 00 <1 00 <100 <1,000 <20 0
<br /> MW-6A 01/12/00 <01500 --- <2 50 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 04/17/00 <01500 <1 00 <5 00 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 07/21/00 <100 <100 <2 50 <100 <400 --- <100 <100 <100 <1,000 <20 0
<br /> MW-6B 01/12/00 <0 600 --- <2 50 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 04/17/00 <0�500 <1 00 <5 00 <0 500 <500 --- <2 00 <2 00 <2 00 <1,000 <100
<br /> 07/21/00 <1100 <100 <2.50 <100 <400 --- <100 <100 <100 <1,000 <20 0
<br /> EW-1 03/11/99 <5 00 <5 00 5,090 3,100 --- --- <50 0 <50 0 <50 0 2,300 <2,500
<br /> 04/08/99 --- --- 9,620 --- --- --- --- --- --- --- ---
<br /> 04/14/99 --- --- 9,080 4,690 --- --- --- ---
<br /> 04/22/99 <0 50 <50 0 4,170 4,520 <10,000 --- <100 <100 <100 2,000 <2,000
<br /> 04/29/99 --- --- 4,700 6,510 --- --- --- --- _-- --_ ---
<br /> 05/06/99 --- --- 10,600 19,200 --- ---
<br /> 05/13/99 --- --- 10,500 15,100 --- --- --- --- _-- _-- ---
<br /> 05/18/99 --- --- 7,880 14,600 --- --- --- __- --- --- ---
<br /> 05125/99 --- --- 16,200 24,200 --- --- --- --- ___ ___ ---
<br /> 06/01/99 --- --- 15,000 15,400 --- --- --- --- ___ _-- -_-
<br /> 06/08/99 -- --- 15,900 --- --- --- --- _-- _-- --- ---
<br /> 06/15/99 --- --- 18,000 29,000 --- --- --- -__ ___ -_- ---
<br /> 06/21/99 --- --- 24,900 27,100 --- --- --- --- _-- --- ---
<br /> 07/09/99 --- --- 74,400 94,600 --- --- --- --- -_- --_
<br /> 07/12/99 --- --- 72,100 87,000 --- --- --- --- ---
<br /> 07/22/99 --- --- 84,000 103,000 --- --- --- --- ---
<br /> 07/28/99 <1,0001<0 500 <1,000/<0 500 107,000 90,000 <200,000 --- <2,000 <2,000 <2,000 5,220 <40,000
<br /> 08/05/99 --- --- 112,000 121,000 --- --- --- -__ --- --- ---
<br /> 08111199 --- --- 148,000 157,000 --- --- --- --- --- --- ---
<br /> g lnpon341!Pm\gmtab1e xis rage 4 16 1 10
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