Acephate, 10.0 µg/ml, Acetone, 10ml

Para-phenylenediamine,100 µg/mL,acetonitrile,1mL,

n-Butyl acetate, 1000µg/ml in MeOH, 1ml

1,2,3,6,7,8-Hexachlorodibenzofuran,50 µg/mL,n-nonane,1mL,