Dichlorprop-P, 100 µg/ml, Acetonitrile, 1ml

Dichloromethane, 20mg/mL in MeOH, 1ml

1,2,3,7,8-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

pH 12.45 buffer solution (230mL)