Aijiren Tech™ EPA, TOC, and Scintillation Vials & Closures Save time in sample preparation. Three levels of ThermoScientific EPA Screw Vials are available to match your application requirements: Level 300, 200 and 100. Supplier: Aijiren Tech™ 40EPAVCS (A) View more versions of this product Catalog No. 40-EPA-VCSA $153.30 / Pack of 100