2',3,4,4',5-Pentachlorobiphenyl (123)

2,3,4,4'-Tetrachlorobiphenyl (60)

Custom Mix of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 100/20µg/ml in Acetone, 5x1ml

Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol