Propyzamide, 10 µg/ml, Cyclohexane, 10ml

3,3',4,4'-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene

2-(2-Aminoethoxy)ethanol

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