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American Environmental Network <br /> WORK ORDER: 9709249 QUALITY CONTROL REPORT PAGE QR-3 <br /> ANALYSIS: Gasoline Oxygenates <br /> MATRIX: Water <br /> METHOD BLANK SAMPLES <br /> ................................... -----....--------------------------------------------...----------------------------- <br /> SAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 0925 INSTR RUN: GCMS121970925000000/17/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED; — BATCH 1D: M512W092697 <br /> UNITS: ug/L ANALYZED: 09/25/97 DILUTION: 1.00 <br /> METHOD: EPA 8260 <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) ND 100 70 130 <br /> Toluene-d8 (surr) ND 100 70 130 <br /> Bromofluorobenzene (surr) ND 100 70 130 <br /> Methy-t-butyl ether (MTBE) ND 100 <br /> Ethyl-t-butyl ether (ETBE) ND 5 <br /> t-Amylmethyl ether (TAME) NO 5 <br /> t-Butanol (TBA) NO 5 <br /> Di-isopropyl ether (DIPS) ND 5 <br /> --------------------------------------------------------------------------------------------------------- ................... <br /> SAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 0925 INSTR RUN: GCMS121970925000000/18/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12WO92697 <br /> UNITS: ug/L ANALYZED: 09/25/97 DILUTION: 1.00 <br /> METHOD: EPA 8260 <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (X) RPO <br /> ANALYTE RESULT RESULT LIMIT VALUE (X) LOW HIGH RPD (X) LIMIT (X) <br /> 1.2-DCE-d4 (surr) 107 100 107 70 130 <br /> Toluene-d8 (surr) 101 100 101 70 130 <br /> Bromofluorobenzene (surr) 97.6 100 97.6 70 130 <br /> Methy-t-butyl ether (MTBE) NO 100 <br /> s <br /> Ethyl ether (ELBE) ND 5 <br /> =.� t-Amylmethyl ether (TAME) NO 5 <br /> t-Butanol (TBA) ND 5 <br /> Di-isopropyl ether (DIPS) NO 5 <br /> ----------------------------------------------------------------------------------------------------------------------------- <br /> LABORATORY CONTROL SAMPLES <br /> ----------------------------------------------------------------------------------------------------------------------------- <br /> SAMPLE TYPE: Laboratory Control Spike LAB ID: LCS 0926 INSTR RUN; GCMS121970925000000/19/18 <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12WO92697 <br /> UNITS: ug/L ANALYZED: 09/26/97 DILUTION: 1.00 <br /> METHOD: EPA 8260 <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (%) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (X) LOW HIGH RPD (X) LIMIT (X) <br /> 1,2-DCE-d4 (surr) 125 107 100 125 70 130 <br /> Toluene-dB (surr) 97.3 101 100 97.3 70 130 <br /> Bromofluorobenzene (surr) 103 97.6 100 103 70 130 <br /> Methy-t-butyl ether (MTBE) 134 ND 5 100 134 32 158 <br /> Ethyl-t-butyl ether (ETRE) 143 ND 5 100 143 32 158 <br /> t-Amylmethyl ether (TAME) 131 ND 5 100 131 32 158 <br /> ----------------------------------------------------------------------------------------------------------------------------- <br /> SAMPLE SURROGATES <br /> --------------------------------------------------------------------------- ................................................. <br /> SAMPLE TYPE: Sample-Client LAB ID: 9709249-01C INSTR RUN: GCMS121970925000000/20/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: BATCH ID: MS12WO92697 <br /> UNITS: ug/L ANALYZED: 09/25/97 DILUTION: 1.00 <br /> METHOD: EPA 8260 <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) 112 100 112 70 130 <br /> Toluene-d8 (surr) 102 100 102 70 130 <br /> Bromofluorobenzene (surr) 99.8 100 99.8 70 130 <br />