PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-5S 1,4-Dichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 673529 4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 71534 Methyl myristate Price on request