Ethyl perfluoroheptanoate, 5g

Tolprocarb, 100 µg/ml, Acetonitrile, 1ml

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

PAH - Mix 16, 100µg/ml in Cyclohexane, 5ml