Oxibendazole, 100 µg/ml, Methanol, 1ml

2',3,4,5,6'-Pentachlorobiphenyl

Perfluoro-n-[1,2-13C2]decanoic acid, 1.2ml x 50ug/ml, methanol

Omethoate, 1000µg/ml in MeOH, 1ml