Native Stock PCDDs and PCDFs, 1.2ml, nonane Back Catalog number: EPA-8290STN Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676579 Terbuthylazine-2-hydroxy, 100 µg/ml, Acetonitrile, 1ml Price on request 38178 Aldehyde Test Mix Price on request DF-IS-I40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request