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CRA MEMORANDUM Page 3 <br /> control limits are defined by the methods and the "Guidelines",which require recoveries between 75 to <br /> 125 percent with RPDs less than 20 percent for water samples and 30 percent for soil samples. <br /> Matrix spikes (MS)were prepared and analyzed in duplicate. All recoveries were within required control <br /> limits showing adequate analytical accuracy and precision. <br /> FIELD QUALITY ASSURANCE/QUALITY CONTROL (QA/QC) <br /> No field QA/QC samples were submitted to the laboratory for analysis. <br /> OVERALL ASSESSMENT <br /> The data were found to exhibit acceptable levels of accuracy and precision,based on the provided <br /> information, and may be used with the qualifications noted. <br />