Native Stock PCDDs and PCDFs, 1.2ml, nonane Back Catalog number: EPA-8290STN Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 15900-0841-100AN5 1-(3-Chloro-4-methylphenyl)-3-methylurea, 100µg/ml in Acetonitrile, 5ml Price on request 71277 Dibenzo(a,l)pyrene Price on request 70612 2,4-D, ethylhexyl ester Price on request