15N3-Simazine, 100 µg/ml, Acetonitrile, 1ml

3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Alkane Mix C5-C20, 2mg/ml in MeOH, 1ml

15N2-Chloridazon-desphenyl, 5mg