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Arman Environmental Network <br /> WORK ORDER: 9711230 QUALITY CONTROL REPORT PAGE QR-3 <br /> ANALYSIS: Gasolrine Oxygenates <br /> r MATRIX: Soil/Bulk <br /> L• METHOD BLANK SAMPLES <br /> •----- ---------------------- -- --- -•- <br /> ---- --- .- -- ... <br /> SAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 1121 INSTR RUN: GCMS12\971121000000/1/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12S112197 <br /> UNITS: ug/kg ANALYZED: 11/21/97 DILUTION: 1.00 <br /> METHOD: <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (%) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (%) LOW HIGH RPD (%) LIMIT (%) <br /> 1,2-DCE-d4 (surr) 98.8 100 100 98.8 70 145 <br /> Toluene-d8 (surr) 98.0 100 100 98.0 70 145 <br /> Bromofluorobenzene (surr) 93.9 100 100 93.9 70 145 <br /> Methy•t-butyl ether (MTBE) ND 5 <br /> Ethyl-t-butyl ether (ETBE) ND 5 <br /> t-Amylmethyl ether (TAME) ND 5 <br /> t-Butanol (TBA) ND 100 <br /> Di-isopropyl ether (DIPE) ND 5 <br /> ............ ........... <br /> ---•-------------------------• •-------.................----.•......------......---•----------------._...--------...--------- <br /> SAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 1121 INSTR RUN: GCMS12\971121160000/1/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12S112297 <br /> UNITS: ug/kg ANALYZED: 11/21/97 DILUTION: 1.00 <br /> METHOD: <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (%) RPD <br /> r ANALYTE RESULT RESULT LIMIT VALUE (%) LOW HIGH RPD (%) LIMIT (%) <br /> L 1,2-DCE-d4 (surr) 98.8 100 100 98.8 70 145 <br /> Toluene-d8 (surr) 98.0 100 100 98.0 70 145 <br /> Bromofluorobenzene (surr) 93.9 100 100 93.9 70 145 <br /> Methy-t-butyl ether (MTBE) ND 5 <br /> Ethyl-t-butyl ether (ETRE) NO 5 <br /> t-Amylmethyl ether (TAME) ND 5 <br /> t-Butanol (TBA) ND 100 <br /> Di-isopropyl ether (DIPE) ND 5 <br /> •-------•--------•----------------•-•---...--•--.....---•-•------••-•-------......--------..........----....-••••••.......... <br /> LSAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 1124 INSTR RUN: GCMS12\971124000000/2/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12S112497 <br /> UNITS: ug/kg ANALYZED: 11/24/97 DILUTION: 1.00 <br /> METHOD: <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (%) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (%) LOW HIGH RPD (%) LIMIT (%) <br /> 1.2-DCE-d4 (surr) 93.4 100 100 93.4 70 145 <br /> Toluene-d8 (surr) 99.2 100 100 99.2 70 145 <br /> Bromofluorobenzene (surr) 93.1 100 100 93.1 70 145 <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 /> LD.. isopropyl.ether-(DIPE):--._....ND .................••-5--.....---.........-----....-...................................... <br /> SAMPLE TYPE: Blank-Method/Media blank LAB ID: BLNK 1124 INSTR RUN: GCMS12\971124162300/2/ <br /> INSTRUMENT: HP mass spec for Volatiles PREPARED: — BATCH ID: MS12S112597.2 <br /> UNITS: ug/kg ANALYZED: 11/24/97 DILUTION: 1.00 <br /> METHOD: <br /> REF REPORTING SPIKE RECOVERY REC LIMITS (%) RPD <br /> ANALYTE RESULT RESULT LIMIT VALUE (%) LOW HIGH RPD (%) LIMIT (%) <br /> 1,2-DCE•d4 (surr) 93.4 100 100 93.4 70 145 <br /> LToluene-d8 (surr) 99.2 100 100 99.2 70 145 <br /> Bromofluorobenzene (surr) 93.1 100 100 93.1 70 145 <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 (DIPE) ND 5 <br /> ------------------ •---- <br />