Bond Elut PCB method?


I'm about to get some PCB samples that I'll need to extract and run on gcms. I currently have a method for the GC, but I was looking into the extraction method and noticed that agilent has a Bond Elut PCB cartridge.  The site says that you can extract with only one solvent but doesn't give a method on what to use or procedure. There are two matrices, a filter and the water that the filter extracted from, and my standards are in iso-octane.  Does anyone have a good method on how to extract these?  I cannot do a Soxhlet extraction and was hoping for a SPE or Liquid/Liquid.  Are these Bond Elut PCB cartridges just like the Florisil clean-up ones?


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