beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2746.12-50-IO 3'-Fluoro-2,3,4,4',5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 95219 Organochlorine Pesticides Price on request 30070 EPA Method 502/524 Surrogate Standard #1 Price on request