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Oxygenated Gasoline Additives by GC/MS in Soil Composite <br />Lab # Sample ID Compound Name <br />Result <br />(ug/kg) <br />2847 SP -1 (a&b) tert-butyl alcohol (TBA) <br />590 <br />Composite methyl tert-butyl ether (MTBE) <br />890 <br />di -isopropyl ether (DIPE) <br />ND <br />ethyl tert-butyl ether (ETBE) <br />ND <br />tert-amyl methyl ether (TAME) <br />ND <br />RDL <br />(ug/kg) <br />200 <br />10 <br />10 <br />10 <br />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 Metes No <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 />Result <br />RDL <br />Lab # Sample ID <br />Compound Name <br />(ug/kg) <br />ug/kg) <br />2848 SP -2 (a&b) <br />tert-butyl alcohol (TBA) <br />160 <br />100 <br />Composite <br />methyl tert-butyl ether (MTBE) <br />210 <br />5.0 <br />di -isopropyl ether (DIPE) <br />ND <br />5.0 <br />ethyl tert-butyl ether (ETBE) <br />ND <br />5.0 <br />tert-amyl methyl ether (TAME) <br />ND <br />5.0 <br />Surrogates (ug/kg) <br />Result (ug/kg) % Recovery <br />Acceptance Range (%) <br />dibromofluoromethane (77.9) <br />89.8 115 <br />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 />