These clear screw thread EPA vials for the collection and storage of water samples comply with the guidelines for establishing test procedures for the analysis of pollutants (Ref. EPA Methods 601, 602, 603 and 604). Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.
- 60961B series has open-top, white polypropylene, screw thread closures with PTFE-faced 14B white rubber septa attached
- 60961C series has open-top, white polypropylene, screw thread closures with PTFE-faced (0.005") silicone rubber (0.120") septa attached