Endosulfan-sulfate, 100 µg/ml, Acetonitrile, 5ml

1-Naphthylacetic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 86-87-3

Phenanthrene

Mono-n-butyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml