PCB No. 21, 100µg/ml in Isooctane, 1ml

ICP-MS Tuning Standard 2

Ethyl ether, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 60-29-7

Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane