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�,o,) • • <br /> s <br /> Oxygenated Gasoline Additives by GC/MS in Soil Composite <br /> Result RDL <br /> Lab # Sample ID Compound Name (ug/kg) (ug/kg) <br /> 2847 SP-1 (a&b) tert-butyl alcohol (TBA) 590 200 <br /> Composite methyl tert-butyl ether (MTBE) 890 10 <br /> di-isopropyl ether (DIPE) ND 10 <br /> ethyl tert-butyl ether (ETBE) ND 10 <br /> tert-amyl methyl ether (TAME) ND 10 <br /> Surrogates (ug/kg) Result(ug/kg) % Recovery Acceptance Range (%) <br /> dibromofluoromethane (250) 262 105 70 - 130 <br /> Date Sampled: 01/05/99 Date Analyzed: 01/16/99 QC Batch#: 642 <br /> Date Received: 01/06/99 Method: EPA 8260M <br /> Holding Time Met'. Yes 7 No <br /> Result RDL <br /> Lab # Sample ID Compound Name (ug/kg) (ug/kg) <br /> 2848 SP-2 (a&b) tert-butyl alcohol (TBA) 160 100 <br /> Composite methyl tert-butyl ether (MTBE) 210 5.0 <br /> di-isopropyl ether (DIPE) ND 5.0 <br /> ethyl tert-butyl ether (ETBE) ND 5.0 <br /> tert-amyl methyl ether (TAME) ND 5.0 <br /> Surrogates (ug/kg) Result(ug/kg) % Recovery Acceptance Range (%) <br /> dibromofluoromethane (77.9) 89.8 115 70 - 130 <br /> Date Sampled: 01/05/99 Date Analyzed: 01/16/99 QC Batch #: 642 <br /> Date Received: 01/06/99 Method: EPA 8260M <br /> Holding Time Met Yes No — <br /> Page 18 of 21 <br /> CA Lab Accreditation #: 2118/1-2303 <br />