Metformin-HCl, 100µg/ml in Acetonitrile, 5ml

1,2,3,4,6,7-Hexabromonaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

EPA Method 551 - Disinfection By-Products