PCB 209, 100 µg/ml, Isooctane, 5ml

Cadusafos, 100 µg/ml, Toluene, 1ml

4-Methylphenol, 100 µg/ml, Acetonitrile, 1ml

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene