Aztreonam, 50mg

Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8

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

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane