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SEP-04-97 THU 08 53 PM WEST LAB FAX N0. 916-757-4610 P, 02/02 <br /> September 4, 1997 <br /> 1 <br /> I <br /> � 01 ��� <br /> NARRATIVE FOR SAMPLE LOGS 8994, 9660 AND 102r1 <br />' I have reviewed the chromatograms submitted <br /> ental <br /> for the sample logs fisted above There is no indication s <br /> on of the presence ovanced f MTBE <br />' in any of the chromatograms for MW-1, MW-2, MW-3 or MW-4 MW-1 has a <br /> level of gasoline which may, on the column used for analysis, be masking low <br /> level MTBE, making it difficult to assess what the detection limit would have <br /> I been It is unlikely that MTBE was present in MW-2, MW-3 or MW-4 above <br /> 10ppb With the system in use at that time in this facility, MTBE would have <br /> been visible as one or two sharp peaks about halfway between the beginning of <br /> r� the run and Benzene <br /> t <br /> r <br /> Stewart Podolsk - <br /> Y <br /> Lab Director <br /> I <br /> r <br /> r <br /> 1046 Olive Dr , Suite 2, Davis, CA 95616 <br /> I <br /> I <br /> I <br />