Diisobutyl phthalate, 100 µg/ml, Acetone, 5ml

2,4-DB-methyl ester, 10.0 µg/ml, Ethyl acetate,

Toxaphene,100 µg/mL,n-hexane,1mL,

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