4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

Perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, isopropanol

3-Nitrofluoranthene-d9, 100µg/ml in Toluene, 1ml