Mepiquat, 100μg/ml in Water, 1ml

EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol

Benzo[a]fluoranthene,200 µg/mL,acetonitrile,1mL,

Selenium (Se)