Pyrethrins, 100 µg/ml, Acetonitrile, 1ml

Silver (Ag), 1000µg/ml in 2%-HNO3/Water, 100ml

3-Methyl-1-butyl acetate,1000 µg/mL,MeOH,1mL

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