2,4,6-Tribromophenol, 1.2ml x 100ug/ml, toluene

D9-Chlormequat Chloride, 100 µg/ml , Deuterium ox

EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml

Metolachlor, 100 µg/ml, Methanol, 1ml