Native Stock PCDDs and PCDFs, 1.2ml, nonane Back Catalog number: EPA-8290STN Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678218 Isoproturon-desmethyl, 100 µg/ml, Acetonitrile, 1ml Price on request 71470 tert-Amyl methyl ether Price on request 53020 Verification II Standard 2 Price on request