ISO 4589, all parts: Plastics - Determination of burning behaviour by oxygen index2 laboratories in United States are accredited by A2LA for at least one part of ISO 4589. Each lab card shows which parts it holds. From the accredited scope text: “ISO 4589-2 Plastics - determination of burning behaviour by oxygen index - guidance BS EN ISO 4589-3 Plastics - determination of burning behaviour by oxygen index - elevated temperature test BSS 7230” “ISO 4589-2 Determination of Burning Behaviour by Oxygen Index ISO 1182 Reaction to fire tests for products — Non-combustibility test National school Transportation Specifications and Procedure NSTSP P”
This page is a fixed slice of the register: every ISO 4589 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.