Fenamiphos-sulfone, 100 µg/ml, Acetonitrile, 1ml

Benzo(j)fluoranthene, 100µg/ml in AL, 5ml

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

Tetrabromophthalic anhydride