PCB No. 77, 100µg/ml in Isooctane, 1ml

1,2,4,5-Tetrachlorobenzene

N-Nitrosodi-n-butylamine-d18, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 1219798-82-9

Methyltin mercaptide (technical mixture), 100mg