2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

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

Dibenz[a,c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-62-3

2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol