Toxicity Test Requirements and Performance Criteria for Passenger Railcar Materials

Federal Railroad Administration2021PDFTech ReportKraft, StefanKapahi, AnilLattimer, Brian Y.Jensen HughesUnited States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and DevelopmentUnited States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and TechnologyUnited States. Department of Transportation. Federal Railroad Administration. Office of Research, Development, and TechnologyUnited States. Federal Railroad Administration. Office of Railroad Policy and DevelopmentUnited StatesRail motorcarsFire resistant materialsToxicitySmokeHazardous materialsRolling stockRailcarfire performance criteriasmoke inhalationtoxic gastoxicity databaseDOT/FRA/ORD-21/09693JJ618C000022Shurland, MelissaOctober 2019 \u2013 September 2020Currently, there is no standard for regulating the toxic gas emission in National Fire Protection Association (NFPA) 130 or Title 49 Code of Federal Regulations (CFR) \ua7 238.103. The International Maritime Organization (IMO) Fire Test Procedure (FTP) Annex 1: Part 2 toxicity standard with the 25 kW/m2 non-piloted and piloted exposure was determined in this research to be the most appropriate standard for adoption for use in the U.S. railcar industry. Jensen Hughes, Inc. performed testing on railcar materials with American Society for Testing and Materials (ASTM) E662 and International Standards Organization (ISO) 5659-2. Researchers used the experimental and literature data to compare measurement methods, sampling times, test exposure, and performance criteria. The IMO FTP performance criteria are similar to the 20-minute scaled ERPG-3 criteria and are appropriate for evaluating material fire gas toxicity.109