2-Ethyltoluene, 200 µg/ml, Methanol, 1ml

2,2',3,3',5,5',6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

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

13C3-Cephacetrile, 10mg