Potassium sorbate, 250mg

1-Hydroxycyclohexyl phenyl ketone, 100mg

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Fenthion-sulfoxide, 10.0 µg/ml, Acetonitrile, 10