beta-HCH, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678423 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91958A EPA Method 1664 - Oil & Grease (Sonicate) Price on request 8640.12-50-NN 1,2-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 673896 Acifluorfen-methyl, 50mg Price on request