Siduron, 100mg

2,4-Dimethylaniline, 100 µg/ml, Methanol, 5ml

2,2',3,3',4,5-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4-tert-Octylphenol-mono-ethoxylate, 100 µg/ml, Ac