Trichlorfon, 100 µg/ml, Acetonitrile, 5ml

1,2,4-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 615-54-3

Perfluoro-n-[1,2-13C2]hexanoic acid, 1.2ml x 50ug/ml, methanol

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