Pregnanetriolone, 1mg

2-Methoxy-2',3',5,5',6'-pentachlorobiphenyl, 100µg/ml in IO, 1ml

3,4,7,8,12,13-Hexachloropentadecane-13,14,15-13C3, 100µg/ml in Isooctane, 1ml

Perfluorotetradecanoic acid, 50mg