Perfluoro-n-[1,2-13C2]octanoic acid, 50µg/ml in MeOH, 1,2ml

2,3,3',4,4',5,5',6-Octachlorobiphenyl

Perdeuterated Internal Standard-All-in-one 15 EU Priority PAHs

Trichloroethene, 100 µg/ml, Acetonitrile, 1ml