PCB Congeners (10 ppm)

N,N'-Diphenyl-1,4-phenylenediamine, 250mg

1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0

Artificial Perspiration pH 5.5, 200mL