Native Stock PCDDs and PCDFs, 1.2ml, nonane Back Catalog number: EPA-8290STN Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680145 Difenacoum, 25mg Price on request EN-1948STK PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 90556 Ethylene glycol Price on request