Methyl Paraben, 10g

alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml

N-Methyl-N-nitrosobenzylamine,1000 µg/mL,acetonitrile,1mL,

2,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane