Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml

n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 39756-36-0

Ethyl-t-butyl ether

EPA Method 622/8140 - Analytes