2,4’-DDE, 1000µg/ml in Hexane, 1ml

N-Nitroso-methylethylamine, 100mg

Spiking Standard 1

2,2',3,4',5,5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-68-0