Sulfamerazine, 250mg

4,4'-Methylenedianiline,100 µg/mL,acetonitrile,1mL,

PCB No. 189, 10µg/ml in Isooctane, 10ml

p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-51-0