xmlns:atom="http://www.w3.org/2005/Atom"
Parameter | Threshold | |
---|---|---|
(a) The exceedance of the threshold is to be measured or predicted for three consecutive hours. | ||
Information threshold | 1 hour average | 180μg/m3 |
Alert threshold | 1 hour average (a) | 240μg/m3 |
Details to be supplied to the public on a sufficiently large scale as soon as possible should include:
1. Information on any observed exceedance:
(a)the location or area of the exceedance;
(b)the type of threshold exceeded (information threshold or alert threshold);
(c)the time at which the exceedance began and its duration; and
(d)the highest 1-hour and 8-hour mean concentration.
2. Forecast for the following afternoon, day or days:
(a)the geographical area of expected exceedances of an information threshold or alert threshold; and
(b)the expected change in pollution (that is, improvement, stabilisation or deterioration)
3. Information on the type of population concerned, possible health effects and recommended conduct:
(a)information on population groups at risk;
(b)description of likely symptoms;
(c)recommended precautions to be taken by the population concerned; and
(d)where to find further information.
4. Information provided under this Schedule shall also include:
(a)information on preventive action to reduce pollution or exposure to it;
(b)an indication of main source sectors; and
(c)recommendations for action to reduce emissions.