2,3,4-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml

Fenbutatin oxide, 100µg/ml in Acetonitrile, 5ml

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene