Reference Fish Tissue Extract (Isooctane/20% Salmon Oil), 3g, Isooctane Back Catalog number: WMF-EX Availability: In the manufacturer's stock Price on request - + Recommended MBP-54 2,2',6,6'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 16238 Chlordane Price on request 90704 Phenanthrene Price on request