PCB Congeners & Hexachlorobenzene Mix #5

1,2,4-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2717-42-2

Fenbutatin oxide, 100 µg/ml, Methanol, 1ml

Pentachloroanisole