SEATTLE DISTRICT

The Puget Sound Sediment Reference Material (SRM) has been developed to help assess/evaluate measurement accuracy and monitor laboratory performance when analyzing for chlorinated dioxin, furans, and biphenyl compounds in sediment samples collected from the Puget Sound area.  The SRM is currently available free of charge, though recipients must pay shipping costs.

The guidance document provides instructions for obtaining, analyzing, and reporting on the SRM.  The guidance and procedures are intended to ensure that SRM users: 

• Report methods used for analysis
• Report QA/QC procedures used to verify and validate results, and
• Report results that can be included in periodic recalculations of acceptance limits

The Puget Sound SRM has been established for chlorinated dibenzo-p-dioxins / chlorinated dibenzofurans (CDD/CDF), and/or chlorinated biphenyl (CB) congener analysis using high resolution gas chromatography / high resolution mass spectrometry (HRGC/HRMS) methods. This SRM is also suitable for Aroclor analysis using gas chromatography/electron capture detection (GC/ECD) methods.

Click HERE for the full guidance document.