N-Nitrosodimethylamine, 1000μg/ml in MeOH, 1ml

Chlorinated Pesticides & PCB,10ug/ml in IO:TO, 1ml

2,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32690-93-0

2,2',4',5-Tetrabromo-4-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane