PCB No. 16, 100µg/ml in Isooctane, 1ml

Sodium perfluoro-1-[1,2,3-13C3]hexanesulfonate, 50µg/ml in MeOH, 1,2ml

2,6-Diisopropylphenol-d18,1000 µg/mL,MeOH,1mL,

Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml