Signal Word 2 : Warning required by the Federal Hazardous Substances Act of 1960 to be used on the label of a hazardous substance. Examples include DANGER, WARNING, CAUTION, and POISON
EESiFlo North America, Terminology and Glossary: Water and Wastewater Terms, Pennsylvania, USA 2002. flowmeterdirectory.com/flowmeter_terminology, (Wtr and Wastewater - Amer) {559}