2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5

1,2-Dibromo-7,8-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

2,2',3,3',4,4'-Hexachlorobiphenyl

Ethoprophos, 100µg/mL in Cyclohexane, 1ml