Cadusafos, 100 µg/ml, Toluene, 1ml

Theobromine, 100µg/ml in MeOH, 5ml

Flufenoxuron, 100µg/ml in Acetonitrile, 5ml

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane