PWSA stands for various terms. Discover the full forms, meanings, and possible interpretations of PWSA across different fields and industries.
Congressional act that protects navigational safety and the resources of navigable waters. Under the act, vessel operators must notify port authorities of any "hazardous condition," which includes fire, leaking cargoes, or anything that could adversely affect the environmental quality of any US port, harbor, or navigable water.
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