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American Environmental Network <br />PAGE QR -2 <br />QUALITY CONTROL DATA <br />METHOD: EPA 3550 GCFID <br />AEN JOB NO: 9707056 <br />DATE(S) EXTRACTED: 07/09/97 <br />INSTRUMENT: A, C <br />MATRIX: SOIL <br />Surrogate Standard Recovery Summary <br />QC Limits: 55-115 <br />DATE EXTRACTED: 07/09/97 <br />DATE ANALYZED: 07/11/97 <br />SAMPLE SPIKED: 9707064-01 <br />INSTRUMENT: C <br />Matrix Spike Recovery Summary <br />QC Limits <br />Spike . <br />Added Percent Percent <br />Analyte (mg/kg) Recovery RPD Recovery RPD <br />Diesel 40.0 94 7 50-115 20 <br />Daily method blanks for all associated analytical runs showed no contamination <br />at or above the reporting limit. <br />Percent Recovery <br />Date <br />Analyzed <br />Client Id. <br />Lab Id. <br />n-Pentacosane <br />07/11/97 <br />DP -20A.. <br />01 <br />86 <br />07/12/97 <br />DP -24A <br />"02 <br />92 <br />07/12/97 <br />DP -23A: <br />03 <br />89 <br />07/12/97 <br />DP -22A <br />04 <br />94 <br />07/12/97 <br />DP -5A <br />05 <br />92 <br />07/11/97 <br />DP -5B <br />06 <br />D <br />07/12/97 <br />DP -27A <br />07 <br />102 <br />07/11/97 <br />DP -27B <br />08 <br />94 <br />07/12/97 <br />DP -17A <br />09 <br />99 <br />07/11/97 <br />DP -28B <br />10 <br />102 <br />07/12/97 <br />OP -28A <br />11 <br />92 <br />QC Limits: 55-115 <br />DATE EXTRACTED: 07/09/97 <br />DATE ANALYZED: 07/11/97 <br />SAMPLE SPIKED: 9707064-01 <br />INSTRUMENT: C <br />Matrix Spike Recovery Summary <br />QC Limits <br />Spike . <br />Added Percent Percent <br />Analyte (mg/kg) Recovery RPD Recovery RPD <br />Diesel 40.0 94 7 50-115 20 <br />Daily method blanks for all associated analytical runs showed no contamination <br />at or above the reporting limit. <br />