N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulphonamide,50 µg/mL,acetonitrile,1mL,

2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2169-87-1

EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol

Solution/Mixture of Native Mono-ortho PCBs, 1.2ml, nonane