Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml

Pentachlorophenol 13C6, 100 ng/µl, 1.1ml

n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 15716-08-2

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml