EPA 1620 Standard 3

Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6

Chlorthiamid, 10.0 µg/ml, Ethyl acetate, 10ml

Di-n-octadecyldisulfide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2500-88-1