PCB Congener Mix #1

2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Sulfaquinoxaline sodium salt, 100 µg/ml, Methanol

D5-Cypermethrin, 100 µg/ml, Ethyl acetate, 1ml