N-Phenyl-2-naphthylamine,100 µg/mL,acetonitrile,1mL,

Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml

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

Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml