Tepraloxydim Metabolite OH-GP, 100 µg/ml, Acetoni

Tetracontane, 100 µg/ml, Hexane, 10ml

x of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 20/4µg/ml in Acetone, 1ml

Hexachlorobenzene-13C6