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

Tris(3-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Triclabendazole-sulfone, 100 µg/ml, Acetonitrile,

2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4, 100 µg/mL in Isooctane, 1mL