sample containers 40ml VOA vials online VWR that meet or exceed EPA requirements - VWR, Part of Avantor Clear VOA Vials with 0.125 in. Septa Cat. No. Volume, mL Description Level Cert Parameters Septum Closure Size No. per Case IRS326-0020 20 Clear VOA Vial Certified VOA 0.125 in. unbonded 24-414 72