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fluoride batch. There were not more than 20 samples in each preparation <br />batch. <br />^ The method blank associated with each applicable batch was below the <br />reporting limit for the requested analytes. This indicates that no contaminants <br />were introduced to the samples during prepazation and analysis. <br />^ The LCS and LCSD were within the acceptance limits for all applicable <br />analyses. <br />^ All initial and continuing calibration blanks (ICB/CCB) associated with each <br />applicable analytical batch were below the reporting limit for the requested <br />analytes. <br />^ All initial and continuing calibration verifications (ICV/CCV) associated with <br />each applicable analytical batch were within the acceptance criteria for the <br />requested analytes. This indicates a valid calibration and stable instrument <br />conditions. <br />9. Matrix specific quality control procedures. <br />Sample 0407037-1 was designated as the quality control sample for the pH and <br />TDS analyses. Since a sample from this order number was not selected as a <br />quality control (QC) sample for alkalinity, fluoride and ion chromatography (IC), <br />matrix specific QC results are not included in this report. <br />^ A sample duplicate was prepazed and analyzed with the pH and TDS batches. <br />All guidance criteria for precision were met. <br />10. It was necessary to dilute the samples in order to bring the chloride and sulfate <br />concentrations into the analytical range of the ion chromatograph (IC). <br />Reduced aliquots were taken of the sample for the alkalinity and TDS analyses. <br />Reporting limits were elevated accordingly. <br />11. Manual integrations aze performed when needed to provide consistent and <br />defensible data following the guidelines in Paragon Analytics Standard Operating <br />Procedure 939 Revision 1. <br />000 U2 <br />