Wheaton® EPA Vials with Open Top Septa Screw Cap

Wheaton® glass EPA vials areideal for water sampling according to EPA 40 CFR 136, "Guidelines for Establishing Test Procedures for the Analysis of Pollutants." These EPA vials are furnished complete with an attached open-top screw cap with a PTFE/silicone septa liner. Manufactured from Wheaton 320 amber glass which conforms to USP Type I requirements. Available in clear or amber glass. Amber glass EPA vials meet guidelines for light transmission in protection of light-sensitive samples. Packaged in convenient trays which facilitate handling and storage.