1,3-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

γ-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

Atrazine-desisopropyl, 100 µg/ml, Acetonitrile,

Nonafluoro-1-butanesulfonic acid, 50 µg/ml, Metha