I-Chem™ and EP™ Amber VOA Glass Vials with 0.125in. Septa, 40mL, certified, 40mL Vial amber 0.125 in. bonded septum certified Thermo Scientific™. Thermo Scientific™ Clear VOA Vials with 0.125″ Septa are designed for water sample collection for volatile organic analysis (VOA). Available with septum permanently bonded to the cap or