Retention Time Verification Standard

2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Prothioconazole-desthio, 10.0 µg/ml, Acetonitrile

Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml