We continue to see the “check the box” engineering when it comes to “ventilation” requirements for processes that fall under PSM/RMP. I have written about the design basis and the many flaws we come across regarding the actual design, but this one is becoming more and more prevalent. I am thinking “space” is becoming less available so facilities are installing their FRESH AIR INTAKES in the darnedest places. In this article, I home to educate those interested in the most basic need for a FRESH AIR INTAKE and that is…. FRESH AIR.