Fenthion, 100 µg/ml, Acetonitrile, 5ml

Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane

2,3,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2245-38-7

2,3,4-Trichloronitrobenzene, 250mg