Atrazin, 100μg/ml in Acetonitrile, 5ml

6-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-14-3

3,6-Dimethylphenanthrene, 10mg

1,2,3-Trichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.