Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml

4-Chloroaniline, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-47-8

Trichloroacetic acid sodium salt, certified, 0.25g

gamma-HCH, 100 µg/ml, Ethyl acetate, 5ml