This project’s scope was to technically review the test method for flammable solids for metals and metal alloys, identify gaps and limitations in the test method, and recommend improvements that consider different forms and compositions including variations in moisture content, admixtures, and contaminants (e.g., cutting fluids).

Analysis of the results from 48 tests rom three laboratories demonstrate the effectiveness of elevating gas fired water heaters in reducing the ignition of flammable liquid vapors in the home.