Parathion-methyl, 100µg/mL in Acetonitrile, 1ml

Purgeable Surrogate Standard

Toxaphene Parlar-No. 50, 1µg/mL in Cyclohexane, 1ml

Perfluorotetradecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-06-7