Omethoate, 100 µg/ml, Acetonitrile, 5ml

Hexachlorobenzene, 1000µg/ml in Isooctane, 1ml

2,2',3,3',5,6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

N,N-dimethylperfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, methanol