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Enseco <br /> A Corning Co p+nY <br /> Control limits for accuracy (percent recovery) are based on the average, <br /> historical percent recovery +/-3 standard deviation <br /> Control limits <br /> for precision (relative percerit difference) range fron 0 (identical <br /> duplicate DCS results) to the average, historical relative percent <br /> difference + 3 standard deviation units. In cases where there is not <br /> enough histor kal data, EPA limits or advisory limits are set, with the <br /> E <br /> approval of the Quality Assurance department. <br /> 1V Analysis Results <br /> Test methods may inclLde minor modifications of published EPA Methods such <br /> ( as reporting limits or parameter lists. Reporting limits are adjusted to <br /> reflect dilution of the sample, when appropriate. Solid and waste samples <br /> are reported on an "as received" basis, i.e., no correction is made for <br /> moisture content, unless the method requires or the client requests that <br /> !! such correction be made. <br /> Results are on the attached dwt•a sheets. <br /> 11 K� <br /> E <br /> f� <br /> l <br /> rr <br /> �4 <br /> t. <br /> 's ' <br />