Color Back Catalog number: 54255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10007 CLP Semi-Volatiles - PAH Standard Price on request WMF-02 Reference "Freeze-Dried" Fish Tissue (Naturally Fortified Salmon), 10g, N/A Price on request DF-124678-S 1,2,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, toluene Price on request