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The Air Quality (Ozone) Regulations (Northern Ireland) 2003

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  1. Introductory Text

  2. 1.Citation, commencement and interpretation

  3. 2.Definitions

  4. 3.Target values

  5. 4.Long-term objectives

  6. 5.Assessment of concentrations of ozone and ozone precursor substances in ambient air

  7. 6.Classification of zones

  8. 7.Method of assessment of ambient air quality

  9. 8.Programmes and measures to address ozone levels

  10. 9.Public Information

  11. 10.Action plans

  12. 11.Transboundary pollution

  13. 12.Information requirements

  14. 13.Revocation of the Ozone Monitoring and Information Regulations 1994

  15. Signature

    1. SCHEDULE 1

      TARGET VALUES AND LONG-TERM OBJECTIVES FOR OZONE CONCENTRATIONS IN AMBIENT AIR

      1. PART I definitions and interpretation

        1. In this Schedule– (a) all values shall be expressed in...

      2. PART II target values for ozone

      3. PART III long-term objectives for ozone

    2. SCHEDULE 2

      CLASSIFICATION AND LOCATION OF SAMPLING POINTS

      1. The following considerations will apply to fixed measurements:

      2. PART I macroscale siting

        1. For rural and rural background stations, consideration should be given,...

      3. PART II microscale siting

        1. The following guidelines should be followed, as far as practicable:...

        2. 1.the flow around the inlet sampling probe should be unrestricted...

        3. 2.in general, the inlet sampling point should be between 1.5m...

        4. 3.the inlet probe should be positioned well away from such...

        5. 4.the sampler’s exhaust outlet should be positioned so as to...

      4. PART III documentation and review of site selection

        1. Site selection procedures should be fully documented at the classification...

        2. This requires proper screening and interpretation of the monitoring data...

    3. SCHEDULE 3

      CRITERIA FOR DETERMINING MINIMUM NUMBERS OF SAMPLING POINTS FOR FIXED MEASUREMENTS OF CONCENTRATIONS OF OZONE

      1. PART I minimum number of sampling points for fixed continuous measurement to assess air quality in view of compliance with the target values, long-term objectives and information and alert thresholds where continuous measurement is the sole source of information

      2. PART II minimum number of sampling points for fixed measurements for zones attaining the long-term objectives

        1. The number of sampling points for ozone must, in combination...

    4. SCHEDULE 4

      MEASUREMENTS OF OZONE PRECURSOR SUBSTANCES

      1. Objectives

      2. An additional aim is to support the understanding of ozone...

      3. Substances

      4. Reference methods

      5. Siting

    5. SCHEDULE 5

      DATA QUALITY OBJECTIVES AND COMPILATION OF RESULTS OF AIR QUALITY ASSESSMENT

      1. PART I data quality objectives

        1. The following data quality objectives, for allowed uncertainty of assessment...

      2. PART II results of air quality assessment

        1. The following information should be compiled for zones within which...

        2. The Department shall ensure that maps are compiled showing concentration...

    6. SCHEDULE 6

      REFERENCE METHODS FOR ANALYSIS OF OZONE AND CALIBRATION OF OZONE INSTRUMENTS

      1. The reference method for analysis of ozone shall be the...

      2. The reference method for calibration of ozone instruments shall be...

    7. SCHEDULE 7

      INFORMATION AND ALERT THRESHOLDS

      1. PART I information and alert thresholds for ozone

      2. PART II Minimum details to be supplied to the public when the information or alert threshold is exceeded or exceedance is predicted

        1. Details to be supplied to the public on a sufficiently...

        2. 1.Information on any observed exceedance: (a) the location or area...

        3. 2.Forecast for the following afternoon, day or days:

        4. 3.Information on the type of population concerned, possible health effects...

        5. 4.Information provided under this Schedule shall also include:

    8. SCHEDULE 8

      INFORMATION TO BE OBTAINED AND COLLATED ON OZONE CONCENTRATIONS, AND CRITERIA FOR AGGREGATING DATA AND CALCULATING STATISTICAL PARAMETERS

      1. PART I information on ozone concentrations

        1. The following information on ozone concentrations shall be obtained and...

        2. Where they do not do so already, annual reports must...

        3. Data submitted in monthly reports are considered provisional and shall...

      2. PART II criteria for aggregating data and calculating statistical parameters

        1. In this Part, percentiles are to be calculated using the...

        2. The following criteria are to be used for checking validity...

  16. Explanatory Note

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