Fensulfothion-sulfone, 100 µg/ml, Cyclohexane, 1

o-Toluidine, 100 µg/ml, Methanol, 5ml

ISTD/Surrogate Standard

Perfluorooctane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 307-35-7