WS Trace Elements #1

2,2',3,4,4',5-Hexachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 35694-06-5

1-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m

2,4-Dibromophenol, 100 µg/ml, Methanol, 1ml