Triethyl phosphate, 100 µg/ml, Methanol, 5ml

Mass-Labelled PCB Solution, 1.2ml x 100ng/ml, nonane

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

N-Nitroso-N-ethylbutylamine, 5mg