Since IONEX products are often used in the processes where precise measurement, extremely high-efficiency, or reliable uniformity are mandatory, all of our products are produced under rigorous quality assurance procedures. The IONEX quality assurance system assures compliance with NRC Criteria 10CFR-50, Appendix B; ANSI N45.2; MIL-I-45208A; and ASME NQA-1 Quality Criteria. Our shop is a registered holder of the ASME “U” Stamp for unfired pressure vessels. Procedures are followed to assure design and document control, control of purchased material, maintenance of material, material identification, assurance of compliance to specification, and control of test equipment. In addition, our Q.C. Laboratory, is equipped with all the necessary test apparatus to perform ASTM physical properties' testing of activated carbon, and in-place testing of HEPA filters and adsorber cells. Copies of our Q.A. Manual are available upon request.