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Foothill Landfill <br />Monitoring Implementation Plan <br /> <br /> <br /> <br />MIP Page 20 <br />4.3 Analytical Quality Assurance / Quality Control <br />To ensure that the analytical data is reliable and defendable, the laboratory is instructed to <br />include the following information with the final analytical reports: <br />• Copies of all laboratory QA/QC data, including matrix spikes, duplicate analyses, <br />blanks, blank spikes, etc. (Level 2 QA/QC) <br />• Date and time of analyses <br />• Name of chemist or technician who performed analyses <br />• Analytical and extraction methods <br />• A perjury statement executed by the person responsible for the laboratory <br />All of the above information should be reviewed by qualified personnel to ensure that proper <br />analytical methods and procedures were followed. The information should be reviewed <br />specifically to determine if the samples were analyzed using the proper analytical methods <br />and within holding times, and if the QA/QC data are within allowable limits set by the <br />laboratory. If there are any discrepancies in the laboratory data, the laboratory should be <br />contacted to discuss the discrepancies. An explanation for the discrepancies should be <br />included in the annual report. <br /> <br /> <br />