o-Cresol-d8 & p-Cresol-d8

4-Acetamidoantipyrine, 10.0 µg/ml, Acetonitrile,

3,4,6,7,10,11-Hexachlorotridecane-11,12,13-13C3, 100µg/ml in IO, 1ml

Diisobutyl phthalate, 100 µg/ml, Acetone, 5ml