beta-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10ml

2,2,4,5-Tetrachlorobiphenyl (BZ-49)

3,4-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 922-28-1

Di-n-undecyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-20-2