1,4-Dichlorobutane, 2000µg/ml in MeOH, 1ml

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

2,2',5,5'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 35693-99-3

4-n-Octylphenol monoethoxylate,10 µg/mL,acetone,1mL,