Tenuazonic acid mixture of diastereomers, 100 µg/m

Mass-Labelled PCDD/PCDF/PCB Solution/Mixture, 1.2ml, nonane

3,4-Dichloroaniline, 100 µg/ml, Methanol, 5ml

4-Chloro-3-methylphenol, 100µg/ml in MeOH, 1ml