TEPP, 100 µg/ml, Ethyl acetate, 5ml

1,3,8,9-Tetrachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Sodium dodecafluoro-3H-4,8-dioxanonanoate, 50µg/ml in MeOH, 1,2ml

EPA Method 507 - Performance Check Solution