2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

2,2',3,4,4',6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Flurochloridone, 10 µg/ml, Acetonitrile, 10ml

2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,