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The following qualifiers aze used by the laboratory when reporting results of inorganic <br />analyses. <br />• R ~ sult qualifier -- If the analyze was analyzed for but not detected a "U" is entered. <br />Q i qualifier -- Specified entries and their meanings are as follows: 'j <br />E - The reported value is estimated because of the presence of interfereri~ce. An <br />i explanatory note maybe included in the narrative. ~?, <br />M - Duplicate injection precision was not met. <br />N I'~ - Spiked sample recovery not within control limits. A post spike is analyzed for all <br />i 200.8 analyses when the matrix spike and or spike duplicate fail and the :native <br />sample concentration is less than four times the spike added concentration. <br />Z I - Spiked recovery not within control limits. An explanatory note may be included in <br />' the narrative. <br />* I - Duplicate analysis (relative percent difference) not within control limits. <br />