1-Naphthylacetic acid, 100 µg/ml, Acetonitrile,

2,2',3,3',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

2-Ethylhexyl 4-methoxycinnamate, certified, 0.1g

PAH 16Mixture, 100µg/ml in MeOH, 1ml