4-Phenylphenol, 100 µg/ml, Acetonitrile, 5ml

2,3,3',4,4'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chlortoluron

Dibenz[a,j]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-41-9