Quinclorac, 10.0 µg/ml, Acetonitrile, 10ml

Tri-n-butyl phosphate, 1.2ml x 50ug/ml, toluene

Internal Standard Spiking Solution, 200ng/ml n Nonane/0.8% toluene, 1,2ml

4,4’-Diamino-3,3’-dimethyldiphenylmethane