Air Pollution Source Posted on 1st November 201515th July 2021 by ThePD (The Project Definition) An Air Pollution Source is the result in air pollution that is categorized into three groups: area, mobile, or point. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in HSE and tagged air, environment, hse. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.