April 2004 interim procedures developed by the Quality Assurance Team to be used to assess the quality of PCB congeners in a variety of matrices.
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EPA Region III Interim Guidelines for the Validation of Data Generated Using Method 1668 PCB Congener Data (PDF)(10 pp, 140 K)
April 2004 interim procedures developed by the Quality Assurance Team to be used to assess the quality of PCB congeners in a variety of matrices.