Iopanoic acid,100 µg/mL,MeOH,1mL,

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Malathion, 100 µg/ml, Ethyl acetate, 5ml

1,4,6,7,8-Pentachlorodibenzofuran (or 2,3,4,6,9), 1.2mL x 50ug/mL, nonane