PrHA

AcronymDefinition
PrHAPreliminary Hazard Analysis
PrHAProcess Hazard Analysis (chemical process safety, industrial process safety)
PrHAPresident of the Royal Hibernian Academy
PrHAParkland Regional Health Authority (Canada)
PrHAPetersburg Redevelopment and Housing Authority (est. 1968; Petersburg, VA)
PrHAPeople's Refreshment Houses Association (UK)
PrHAPolish Reining Horse Association