Protect fire service and emergency services personnel from occupational hazards with thermally stable textiles that comply with the 2009 edition of NFPA 1975. Changes in the 2009 edition include:Updated certification provisionsClarification of product labeling requirementsRevised "pass or fail" criteria for thermal stabilityChanges in the criteria for commercial dry-cleaning procedure to test flame resistanceUpdated Annex materialClarifications and revisions to terminology for improved consistency and specificity