ANSI/ASHRAE 62.1-2022: Ventilation for Indoor Air Quality
On average, we breathe air in and out 12 times a minute. Our bodies inhale the gaseous matter to send oxygen though the alveolar walls…
ISO 14644-4:2022 – Cleanroom, Design & Construction
Not all particles are the same; not all cleanrooms are the same. There are different standardized classes of cleanrooms based on the number and size…
ANSI/ASSP Z9.5-2022: Laboratory Ventilation
An American National Standard, ANSI/ASSP Z9.5-2022, focuses on laboratory ventilation. Why Do We Ventilate Laboratories? Air enters your body through your mouth or nostrils and…
ANSI/ASSP Z9.2-2018: Fundamentals Governing the Design and Operation of Local Exhaust Ventilation (LEV) Systems
In numerous industrial processes, the release of airborne contaminants is inevitable. Considering the obvious fact that employees need to keep breathing, employers have a responsibility…