Malathion, 100µg/ml in Acetonitrile, 5ml

25-Hydroxy Vitamin D2-d6, 1mg

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,

Bismuth (Bi)