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Ozone

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Ionization

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FOR the OZONE

Extracted form the standard number L297/4 Official Journal of the European Communities of the 13/10/1992
Appendix 1
Thresholds for the ozone concentrations in the air
the values are expressed in µgO3/m3. The expression of volume must be brought back to the conditions of temperature and pressure following : 293 Kelvins and 101,3 kPa.

1. Threshold for the protection of health: 110 µg/m3 for the average value over 8 hours

2. Threshold for the protection of the vegetation: 200 µg/m3 for the average value on 1 hour, 65 µg/m3 over 24 Seuil

3. hours for the information of the population: 180 µg/m3 for the average value on 1 hour

4. Threshold of alarm to the population: 360 µg/m3 for the average value on 1 hour.

If the standard wanted to protect health indeed, we must remove from our house

• Televisions

• Computers

• Photocopiers

• etc...