EPA 525 Cal Mix 1

Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1

Fenitrothion-d6 (O,O-dimethyl-d6), 100µg/ml in Acetone, 1ml

Oxychlordane