Pursuant to Section 5 of the NFPA Regulations Governing Committee Projects the National Fire Protection Association has issued the following Tentative Interim Amendment to NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling, 2012 edition. The TIA was processed by the Technical Committee on Fire Tests, and was issued by the Standards Council on August 9, 2012, with an effective date of August 29, 2012.