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CAAL RIA
<br /> Table 1. Ground Water Analytical Data- Oxygenate Compounds- Shell-branded Service Station Incident#98995874, 341 E Main Street, Ripon, _
<br /> California
<br /> MTBE by MTBE by
<br /> Sample Date 1,2-DCA EDB EPA 8020 EPA 8260 Ethanol t-Butanol D1PE ETBE TAME Methanol TBA
<br /> TD 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 /> 10/07/91', <25 <25 130,000 130,000 <100,000 <20,000 <400 <400 <400 30,000 ---
<br /> 11/10/911. --- --- 210 --- --- ---
<br /> 11118/98 --- --- 3,300 --- --- --- ---
<br /> --- --- --- ---
<br /> 11/24/98 --- --- 130,000 130,000 --- --- --- --- --- --- ---
<br /> --- 138,000 155,000 --- --- --- ---
<br /> 12/01/98 --- ---
<br /> 12/08/98 --- --- 130,000 130,000 --- --- --- --- ---
<br /> --- 190,000 160,000 --- --- --- --- ---
<br /> 12/T7/91� --- --- ---
<br /> --- --- 100,000 69,000 --- --- --- --- --- ---
<br /> 12123/9/� ---
<br /> 12129/98 --- --- 139,000 127,000 --- --- - --- --- --- ---
<br /> �01/06/9'.�; u� �_ --- --145 _
<br /> 101/14/99 --- =- 88,100 86,700 --- ... ... .. ...
<br /> 01119/9!x' ` <50.0 X50 0 152,000 156,000 <500,000 --- <5,000 <5,000 <5,000 95 <100,000
<br /> (01/29/99 <25;000 133,000 149,000 •.. --- --- --- --- ---
<br /> J02102/99 - --- .-. 85,000 92,(100 ... ... ... ... _..
<br /> ;02/1119'1 ... --- 180,000 ... --. ._ --- - .._ ...
<br /> 1.40,000 1.10,000 .-- --- --- --- --- 50 ---
<br /> �02/24/99 - -_- ., 150,000 160,000 ... --- --- ... ... ... ....
<br /> )03102!9'► r -- --- 500,000 145,000 --- --- --- --- -_. ...
<br /> 112,000 151,000 --- --- --x --- --- --- ...
<br /> 03/19/99 „_ -.. _ 132,000 114,000 --- ---
<br /> 03/22199 "� _ _-_ _-113,000 _ 81,R0q
<br /> MW-2 ,031X1/9.1 -_ <03500 <0.5Q0 _ <2.00 _ rr 0.830 _ _ -__. FT- 00 <2.00 W <2 00 <1�000 <100
<br /> MW-3 i0311119p _ <0.500 <0 500 - -<2 00 a <0.500 - .-- -_ _<2.00 <2.00 -� <2.00 <1,000_ <100
<br /> EW-1 I./91�_ - z�<5.00 <5.00 _5-090 -�_3,100� - -' <500 <50.0 <50.0 2,300 <2,500
<br /> EW-2 0311119! p<0 500 <0.500 _-_ <2 00 - 2.91 -,mm - - --_ <2.00 <2 00 <2 00 <1,000 <I00
<br /> g�np34llgm}gmtable M. 1 of 2
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