Perfluoro-n-octadecanoic acid, 50µg/ml in MeOH, 1,2ml

Methamidophos, 10.0 µg/ml, Ethyl acetate, 10ml

PAH-Mixture B 0217,13 Fluorene 0816,14 Phenanthrene 1049,14 Anthracene 0260,16 Fluoranthene 0235,16 Pyrene 0201,18 Benz[a]anthracene 0212,18 Chrysene 0263,20 Benzo[b[fluoranthene 0265,20 Benzo[k]fluoranthene 0239,

4-Chloro-2-nitrobenzoic Acid, >98%, 25g