Environmental Engineer — Lesson 2
Criteria air pollutants are six specific substances monitored under the National Ambient Air Quality Standards (NAAQS). These include: particulate matter (PM2.5 and PM10), ground-level ozone, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead.
What this asks you
A colleague proposes focusing air quality monitoring only on visible smog, arguing it is the most obvious public health threat. What is the key flaw in this approach?
and 5 more questions