Dibutyl phthalate, 100 µg/ml, Acetone, 1ml

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 1.2ml x 50ug/ml, methanol

1,2-Bis(2,4,6-tribromophenoxy)ethane, 50mg

Metazachlor, 100µg/mL in Acetonitrile, 1ml