Ozone (O3)
- Testing: continuous monitor (0.02-10 ppm using the EcoSensors Portable Ozone Sensor #A-21ZX).
- Sources: High voltages from electronic air cleaners, older dry copy machines.
- Effects: Throat and lung damage. Odor/effect somewhat like chlorine.
- Control: Reduce voltages, clean off dust.
Blue Sky Testing LLC 