D3-Diflufenican, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

1-Methylpyrene, 1000µg/ml in MeChl, 1ml

Spermine-d20, 1mg