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Ame/ i(an E/1 w v/r m,wal Nem of k <br /> WORK ORDER. 9712342 QUALITY CONTROL REPORT PAGE QR-2 <br /> ANALYSIS Gasoline Oxygenates <br /> MATRIX Water <br /> METHOD BLANK SAMPLES <br /> SAMPLE TYPE Blank Method/Media blank LAB ID BLNK_1229 INSTR RUN GCMS13\971229000000/1/ <br /> INSTRUMENT HP mass spec for Volatiles PREPARED BATCH ID MS13W123097 <br /> UNITS ug/L ANALYZED 12/29/97 DILUTION 1 00 <br /> METHOD <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (X) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (%) LOW HIGH RPD (%) LIMIT (%) <br /> 1 2 DCE d4 (surr) 86 2 100 100 86 2 70 130 <br /> Toluene d8 (surr) 103 100 100 103 70 130 <br /> Bromofluorobenzene (surr) 78 9 100 100 78 9 70 130 <br /> Methy t butyl ether (MTBE) ND 5 <br /> Ethyl t butyl ether (ETRE) ND 5 <br /> t Amylmethyl ether (TAME) NO 5 <br /> t Butanol (TBA) ND 100 <br /> D7 isopropyl ether (RIPE) ND 5 <br /> SAMPLE TYPE Blank Method/Media blank LAB ID BLNK 1230 INSTR RUN GCM513\971230000000/1/ <br /> INSTRUMENT IIP mass spec for Volatiles PREPARED — BATCH ID MS13W123197 <br /> UNITS ug/L ANALYZED 12/30/97 DILUTION 1 00 <br /> METHOD <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (X) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (X) LOW HIGH RPD (X) LIMIT (%) <br /> 1 2 DCE d4 (surr) 102 100 100 102 70 130 <br /> Toluene d8 (surr) 92 6 100 100 92 6 70 130 <br /> Bromofluorobenzene (surr) 104 100 100 104 70 130 <br /> Methy t butyl ether (MTBE) ND 5 <br /> Ethyl t butyl ether (ETRE) ND 5 <br /> t Amylmethyl ether (TAME) ND 5 <br /> t Butanol (TBA) ND 100 <br /> Di isopropyl ether (DIPS) ND 5 <br /> LABORATORY CONTROL SAMPLES <br /> SAMPLE TYPE Laboratory Control Sp,ke LAB ID LCSW 1229 INSTR RUN GCMS13\971229000000/2/1 <br /> INSTRUMENT HP mass spec for Volatiles PREPARED — BATCH ID MS13W123097 <br /> UNITS ug/L ANALYZED 12/29/97 DILUTION 1 00 <br /> METHOD <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (X) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE {X) LOW HIGH RPD {X) LIMIT (X) <br /> 1 2 DCE d4 (surr) 94 8 86 2 100 100 94 8 70 130 <br /> Toluene d8 (surr) 103 103 100 100 103 70 130 <br /> Bromofluorobenzene (surr) 76 9 78 9 100 100 76 9 70 130 <br /> Methy t butyl ether (MTBE) 122 ND 5 100 122 32 158 <br /> Ethyl t butyl ether (ETBE) 142 ND 5 100 142 32 158 <br /> t Amylmethyl ether (TAME) 101 ND 5 100 101 32 158 <br /> SAMPLE SURROGATES <br /> SAMPLE TYPE Sample Client LAB ID 9712342 04B INSTR RUN GCMS13\971229000000/20/ <br /> INSTRUMENT HP mass spec for Volatiles PREPARED BATCH ID MS13W123097 <br /> UNITS ug/L ANALYZED 12/30/97 DILUTION 1 00 <br /> METHOD <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (X) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (X) LOW HIGH RPD (%) LIMIT (X) <br /> 1 2 DCE d4 (surr) 85 6 100 100 85 6 70 130 <br /> Toluene d8 (surr) 103 100 100 103 70 130 <br /> Bromofluorobenzene (surr) 89 8 100 100 89 8 70 130 <br /> 1 <br />