18O4-Sodium perchlorate, 100 µg/ml, Water, 1ml

Disulfoton sulfone, 1000µg/ml in MeOH, 1ml

Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

n-Hydrocarbon Standard (C5-C15), 2000µg/mL in MeOH, 1ml