WS Organochlorine Pesticides Back Catalog number: 38026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70537 Anthraquinone Price on request PCB-ISS-H Mass-Labelled PCB Internal/Recovery Standards, 1.2ml, nonane Price on request 15900-2291D-100AN Fenthion-d6, 100µg/ml in Acetonitrile, 1ml Price on request