2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-37-1

Fenthion-oxon-sulfoxide, 100 µg/ml, Acetonitrile,

PCB 209, 100 µg/ml, Isooctane, 5ml