Tri-n-propyltin chloride, 100mg

1-(3,4-Dichlorophenyl)-3-methylurea, 10.0 µg/ml,

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

PAH-Mix 9, 100µg/mL in Acetonitrile, 1mL