EPA VOA TOC COD Vials. 15-425 Screw Sample Storage Vial 15-425 Thread Caps with Septa 40ml TOC Vial 16mm COD Digestion Test Tube EPA VOA Vials 24-400 Screw Neck PP Caps with Septa. Reagent Bottle. Amber Reagent Bottle for Laboratory Clear Reagent Bottle for Laboratory GL45 Reagent Bottle 100ml GL45 Reagent Bottle 250ml GL45 Reagent Bottle 500ml