What Does PSD Stand For?

PSD stands for Prevention Of Significant Deterioration

PSD, or Prevention of Significant Deterioration, refers to a regulatory program under the Clean Air Act designed to protect air quality in areas that currently meet or exceed national air quality standards. This program aims to prevent any significant deterioration of air quality by requiring new or modified industrial facilities to implement state-of-the-art pollution control technologies and to obtain permits that ensure minimal impact on the environment. PSD is crucial for balancing economic development with environmental protection, ensuring sustainable growth in a cleaner air environment.

Other Meanings for PSD