Terbufos-sulfoxide, 100 µg/ml, Toluene, 1ml

2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

1,2,3,4,5,6,7-Heptachloronaphthalene,,,,

PCB Isomer Standard “Dutch 7”