EPA Method 502/524 Fortification Solution

Cinosulfuron, 100 µg/ml, Acetonitrile, 5ml

N4-Acetylsulfamethoxazole, 25mg

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.