4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

Fermentation standard Mix, in Water, 1ml

n-Perfluorooctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-67-1

Mix of deuterated PCBs (28,52,101), 100µg/ml in Nonane, 1ml