Provides general criteria for the design, evaluation, and use of safety symbols to identify and warn against specific hazards, and to provide information to avoid personal injury.ContentsForeward1 Introduction2 Scope and purpose2.1 Scope2.2 Purpose3 Application3.1 Intent3.2 Existing American National Standards4 Definitions5 Safety symbol types and colors5.1 General5.2 Hazard alerting5.3 Mandatory action5.4 Prohibition5.5 Information6 Graphic design considerations6.1 Procedure for the design of new safety symbols6.2 Specific design considerations6.2.1 Proportion6.2.2 Symmetry6.2.3 Direction6.2.4 Form6.2.5 Detail6.3 General Considerations6.3.1 Safety symbol size6.3.2 Safety symbol placement6.3.3 Safety symbol environment7 Safety Symbol selection criteria7.1 Demonstrated understandability7.2 Without demonstrated understandability7.2.1 Safety symbol training/recognition procedure8 References8.1 General8.2 American National StandardsAnnexesA Principles and Guidelines for Graphical Design of Safety SymbolsB General Procedures for Evaluating Candidate Safety SymbolsC Safety Symbol ExamplesD Informative References