Yes, but only when occurring in extremely high concentrations - much higher than what an ozonating air purifier is capable of producing. Ozone is much like just about any other element in that it has its range of effects. It is harmless and useful at moderate concentrations, but harmful at extremely high levels. Take table salt for example, which provides essential fortification for nerve cells and the kidneys, and prevents heat stress disorders at lower concentrations.

No. The most stringent government standards for indoor ozone are those of the Food and Drug Administration for indoor medical devices, which specify that ozone output be no more than .05 ppm. In a closed test room with the Blueair 501 in operation, probes measured ozone levels at .003 ppm-a tiny fraction of the amount deemed hazardous to human health. Our design safeguards against excessive ozone production, and then removes ambient ozone particles from the air.

EPA's answer: "The same chemical properties that allow high concentrations of ozone to react with organic material outside the body give it the ability to react with similar organic material that makes up the body, and potentially cause harmful health consequences. When inhaled, ozone can damage the lungs. Relatively low amounts can cause chest pain, coughing, shortness of breath, and, throat irritation.

Yes. If this is occurring, you probably are using too much ozone. However, you can run the off gas through carbon to destroy the excess discharge.

Without special safety precautions, the laser can be dangerous. However, we ensure patient as well as health care worker safety by: 1. providing safety glasses for everyone in the room; 2. using the lowest effective settings possible; and 3. only allowing the doctor to perform the procedure as per the State Board of Medical Examiners. At the very low energy settings we use to treat spider veins, the danger is minimal. Treatment for vein problems have advanced dramatically over the past 5 years.

Ozone (O3) is a molecule made up of three oxygen atoms. The oxygen we breathe (O2) is similar but has only two oxygen atoms. High up in a region of the upper atmosphere known as the stratosphere, light rays can break down breathable oxygen into two individual oxygen atoms. Single oxygen atoms are quite reactive, and ozone is formed when one of these lone oxygens bump into and combine with O2. But ozone isn't very stable either.

Ozone is a very efficient killer of bacteria! Ozone generators available on the market include Flourescent Tube and Corona DIscharge types. The Corona Discharge type is much more efficient than the Flourescent Tube types. The "kill rate" on bacterial is approximately 10 times as efficient as chlorine, the second runner-up in pool sterilisation.