PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9440.10-100-AN Secbumeton Price on request 72568 Fenpropathrin, 1000µg/ml in MeOH, 1ml Price on request 673659 Permethrin, 10 µg/ml, Ethyl acetate, 10ml Price on request