Crimidine, 100 µg/ml, Ethyl acetate, 5ml

Theophylline, 100μg/mL in Acetonitrile, 1ml

Dibenz[a,h]anthracene-d14, 100µg/mL in Toluene, 1ml

ICP-AES ICV Water/ Soil Matrix, in 5% HNO3, 100ml