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MAY.,-07' 99 (FRI ) 08 31 CHROMALAB, INC TEL 510 484 1096 P 022 <br /> OCHROMALAB, INC. <br /> E nwronmentW Serweoa(Sna) <br /> May 6, 1999 Subm.iee2an #: 99d4403 <br /> WRIGHT ENVIRONMEN'T'AL SERVICES <br /> Atten • Maria Reid <br /> Protect. MR ED ' S MUFFLER Project#: 4090-QM <br /> Received. April 29 , 1999 <br /> re. One eample for ruel Oxygenates by GC/MS analysis . <br /> Me Chad: EPA SW846 Method 9.260 Modified <br /> Cl-lent Samp2 a 17D. XW4 <br /> Sp2#. 238730 Matrix: WATER <br /> Sampled April 29 , 1999 Run#: 18665 Analyzed: May 4 , 1999 <br /> REPORTING BLANK BLAND DILUTION <br /> RESULT LIMIT RESULT SPIKE FACTOR <br /> ANALYTE (ucrIL) ug/L) (uv/L) (�l <br /> TERTIAR BU'T'YL ALCOh TBA7 N D. 5 0 — N D <br /> METHYL TERTIARY BUTYL ETHER N D 5 0 N D 118 1 <br /> (MTBE) <br /> DI-ISOPROPYL ETIHER (DIPE) N D. 10 N.D � <br /> ETHYL TERTIARY BUTYL ETHER N D 5 . 0 N.D . - 1 <br /> (ETRE) <br /> TERTIAR:r ;LMYL METHYL ETHER N D. 5 . 0 N D -- 1 <br /> (TAME) <br /> Alex Tam Eric Tam <br /> Analyst Laboratory Director <br /> 209-832-5152 ;,m sae <br /> 1220 Quarry Lane • Pleasanton, California 94566-4756 V=Qjtnaasrrisa7 <br /> (925) 4.84-1919 - Facsimile (925) 484-1096 <br /> Federal [1) #68-0140157 <br />