2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Trixylyl phosphate, purified ion m/z 396 (pentamethyl),100 µg/mL,isooctane,1mL,

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB