Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane

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

Dazomet, 100 µg/ml, Ethyl acetate, 5ml

Malachite green oxalate salt, 250mg