Metribuzin, 100µg/ml in Acetonitrile, 5ml

Riboflavin (E101), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 83-88-5

n-Perfluorooctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-67-1

EPA Method 8121 Chlorinated Hydrocarbons