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QUALITY CONTROL REPORT <br /> Quality Control Summary <br /> Method EPA 8020 (BTEX) & TPH/C <br /> Analytical <br /> Section 10% QA/QC <br /> Review Validation <br /> CRITERIA YES NO YES NO <br /> All samples met holding time <br /> All surrogate recoveries met QC acceptance <br /> criteria <br /> Laboratory Control sample recoveries met QC <br /> acceptance criteria <br /> Matrix spike recoveries met advisory QC acceptance NA NA <br /> criteria <br /> Method blanks met QC acceptance criteria <br /> Initial calibration met QC acceptance criteria <br />. Continuing calibration met QC acceptance criteria <br /> Internal standards met QC acceptance criteria <br /> Tuning and mass calibrations met QC acceptance NA NA <br /> criteria <br /> Note For any criteria listed above which are not met, please refer to the sample data sheet, QC data sheet, or General <br /> Narrative for applicable comments <br /> Analytical Section Review QA/QC Validation <br /> Sarbjit Grewal Dan Mehring <br /> (CN11249) <br /> MBT Environmental � � ' <br /> Laboratories 111111 <br />