PCB Congeners & Hexachlorobenzene Mix #3

Di-n-propyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 131-16-8

2-Imidazolidone, 100 µg/ml, Acetonitrile, 5ml

2,3,3',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,