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o Analysis of ❑C Samples <br /> a Blanks <br /> each specific method Sop includes the particular" blanl <br /> requirements for that method . The analysis of <br /> blanerationsdeav <br /> but is not limited to, the following g <br /> o A minimum of one blank is extraeach time when <br /> cted <br /> extraction <br /> samples are extracted using p <br /> technique . <br /> o The blank associated <br /> cleast once anwith a set eachfextracted instrument usedlfor <br /> is analyzed a <br /> the analyses of those samples . <br /> a For non-extracted samplece during the calibrated instrument or system <br /> are analyzed at least on <br /> analysis period of the instrument or system. <br /> o ror non-extracted samples, instrument or system blanks <br /> are analyzed when either <br /> when conotamination to suspected . <br /> expected to occur, <br /> o Reagent <br /> blanks <br /> a partxcul.aranalyzed <br /> meth d.changes <br /> s•+henarc node i.n <br /> reagents <br /> contamination is suspected. <br /> 13 <br />