[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Bitertanol, 10.0 µg/ml, Ethyl acetate, 10ml

2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

2-Methoxy-5-methylaniline, 100 µg/ml, Acetonitril