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American Envirnnnrenlal Network American Environmental Nenrurl <br /> PAGE 5 PAGE 6 <br /> QUALITY CONTROL DATA QUALITY CONTROL DATA <br /> METHOD: EPA 3550 GCFID METHOD: EPA 8010 <br /> AEN JOB N0: 9409388 AEN J08 N0: 9409388 <br /> DATE EXTRACTED: 09/30/94 INSTRUMENT: G <br /> INSTRUMENT: C MATRIX: SOIL <br /> MATRIX: SOIL Surrogate Standard Recovery Summary <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Percent Recovery Date Bromochloro- 1-Bromo-3-chloro- <br /> Date Analyzed Client Id. Lab Id. methane propane <br /> Analyzed Client Id. Lab Id. n-Pentacosane <br /> 09/29/94 CCW C-WOT-2 01 90 83 <br /> 10/04/94 CCW C-WOT-2 01 D <br /> QC Limits: 62-131 53-143 <br /> OC Limits: 45-120 <br /> D: Surrogate diluted out <br /> DATE ANALYZED: 09/29/94 <br /> SAMPLE SPIKED: 9409329-01 <br /> DATE EXTRACTED: 09/30/94 INSTRUMENT: G <br /> DATE ANALYZED: 09/30/94 <br /> SAMPLE SPIKED: 9409311-09 <br /> INSTRUMENT: D Matrix Spike Recovery Summary <br /> Matrix Spike Recovery Summary <br /> Method: EPA 3550 GCFID OC Limits <br /> Spike Average <br /> Added Percent Percent <br /> QC Limits Analyte (ug/kg) Recovery RPD Recovery RPD <br /> Spike Average <br /> Added Percent Percent <br /> Analyte (mg/kg) Recovery RPD Recovery RPD 1.1-Dichloroethene 500 90 4 48-111 12 <br /> Trichloroethene 500 95 4 63-129 8 <br /> Chlorobenzene 500 88 2 56-114 13 <br /> Diesel 40 14 2 44-108 13 <br /> Daily method blanks for all associated analytical runs showed no contamination Daily method blanks for all associated analytical runs showed no contamination <br /> over the reporting limit. over the reporting limit, except methylene chloride (11 ug/kg). <br />