- Latest available (Revised)
- Original (As made)
The Air Quality Limit Values Regulations (Northern Ireland) 2002
You are here:
What Version
More Resources
Status:
This is the original version (as it was originally made). This item of legislation is currently only available in its original format.
PART IMINIMUM NUMBER OF SAMPLING POINTS FOR FIXED MEASUREMENT TO ASSESS COMPLIANCE WITH LIMIT VALUES FOR THE PROTECTION OF HUMAN HEALTH AND ALERT THRESHOLDS IN ZONES AND AGGLOMERATIONS WHERE FIXED MEASUREMENT IS THE SOLE SOURCE OF INFORMATION
Diffuse sources
| Population of agglomeration or zone (thousands) | If concentrations exceed the upper assessment threshold | If maximum concentrations are between the upper and lower assessment thresholds | For SO2 and NO2 in agglomerations where maximum concentrations are below the lower assessment thresholds |
|---|---|---|---|
| 0–250 | 1 | 1 | not applicable |
| 250–499 | 2 | 1 | 1 |
| 500–749 | 2 | 1 | 1 |
| 750–999 | 3 | 1 | 1 |
| 1 000–1 499 | 4 | 2 | 1 |
| 1 500–1 999 | 5 | 2 | 1 |
| 2 000–2 749 | 6 | 3 | 2 |
| 2 750–3 749 | 7 | 3 | 2 |
| 3 750–4 749 | 8 | 4 | 2 |
| 4 750–5 999 | 9 | 4 | 2 |
| > 6 000 | 10 | 5 | 3 |
| For NO2 and particulate matter: to include at least one urban-background station and one traffic-orientated station | |||
Point sources
(b)For the assessment of pollution in the vicinity of point sources, the number of sampling points for fixed measurement should be calculated taking into account emission densities, the likely distribution patterns of ambient-air pollution and the potential exposure of the population.
Options/Help
Print Options
PrintThe Whole Rule
PrintThe Whole Schedule
PrintThis Part only
Legislation is available in different versions:
Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.
Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
Opening Options
Different options to open legislation in order to view more content on screen at once
More Resources
Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as enacted version that was used for the print copy
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- correction slips
- links to related legislation and further information resources
More Resources
Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as made version that was used for the print copy
- correction slips
Click 'View More' or select 'More Resources' tab for additional information including:
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- links to related legislation and further information resources
All content is available under the Open Government Licence v3.0 except where otherwise stated. This site additionally contains content derived from EUR-Lex, reused under the terms of the Commission Decision 2011/833/EU on the reuse of documents from the EU institutions. For more information see the EUR-Lex public statement on re-use.