The Air Quality Limit Values (Wales) Regulations 2002

1 Citation, commencement and application

3 Responsibility for implementation of the Air Framework Directive

4 Duty to ensure that ambient air quality is improved

5 Assessment of ambient air quality

6 Classification of zones

7 Review of classifications

8 Method of assessment of ambient air quality

10 Action to be taken where limit values are exceeded

11 Zones where the levels are lower than the limit value

12 Public information

13 Revocations of Air Quality Limit Values (Wales) Regulations 2001 and Air Quality Standards Regulations 1989 and transitional provisions

SCHEDULE 1 LIMIT VALUES, MARGINS OF TOLERANCE ETC.

PART ISULPHUR DIOXIDE

1.1Limit values for sulphur dioxide

1.2Alert threshold for sulphur dioxide

1.3Minimum details to be made available to the public when the alert threshold for sulphur dioxide is exceeded

PART IINITROGEN DIOXIDE (NO₂) AND OXIDES OF NITROGEN (NO_x)

2.1Limit values for nitrogen dioxide and oxides of nitrogen

2.2Alert threshold for nitrogen dioxide

2.3Minimum details to be made available to the public when the alert threshold for nitrogen dioxide is exceeded

PART IIIPARTICULATE MATTER (PM₁₀)

PART VICARBON monoxide

Averaging period Limit value Margin of tolerance Date by...

The maximum daily 8-hour mean concentration shall be selected by...

SCHEDULE 2 UPPER AND LOWER ASSESSMENT THRESHOLDS AND EXCEEDANCES

PART IUpper and lower assessment thresholds

The following upper and lower assessment thresholds will apply: SULPHUR...

PART IIDetermination of exceedances of upper and lower assessment thresholds

Exceedances of upper and lower assessment thresholds must be determined...

Where fewer than five years’ data are available, measurement campaigns...

SCHEDULE 3 LOCATION OF SAMPLING POINTS FOR THE MEASUREMENT OF RELEVANT POLLUTANTS IN AMBIENT AIR

The following considerations will apply to fixed measurement.

The following considerations will apply to fixed measurement.

PART IMacroscale siting

Protection of human health (a) Sampling points directed at the...

PART IIMicroscale siting

The following guidelines should be met as far as practicable:...

The following factors may also be taken into account:

PART IIIDocumentation and review of site selection

The site-selection procedures should be fully documented at the classification...

SCHEDULE 4 CRITERIA FOR DETERMINING MINIMUM NUMBERS OF SAMPLING POINTS FOR FIXED MEASUREMENT OF CONCENTRATIONS OF RELEVANT POLLUTANTS IN AMBIENT AIR

PART IMinimum number of sampling points for fixed measurement to assess compliance with limit values for the protection of human health and alertthresholds in zones and agglomerations where fixed measurement is the sole source of information

Diffuse sources (a) Population of zone (thousands) If concentrations...

PART IIMinimum number of sampling points for fixed measurements to assess compliance with limit values for the protection of ecosystems or vegetation in zones other than agglomerations

If maximum concentrations exceed the assessment threshold If maximum...

In island zones the number of sampling points for fixed...

SCHEDULE 5 DATA-QUALITY OBJECTIVES AND COMPILATION OF RESULTS OF AIR-QUALITY ASSESSMENT

PART IData-quality objectives

The following data-quality objectives for the required accuracy of assessment...

The accuracy of the measurement is defined as laid down...

The accuracy for modelling and objective estimation is defined as...

The requirements for minimum data capture and time coverage do...

The National Assembly may allow for random measurements to be...

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

The uncertainty (on a 95% confidence interval) of the assessment...

The uncertainty for modelling and objective estimation is defined as...

The requirements for minimum data capture and time coverage do...

The National Assembly may allow for random measurements to be...

PART IIResults of air quality assessment

The following information should be compiled for zones and agglomerations...

Where possible maps shall be compiled showing concentration distributions within...

SCHEDULE 6 REFERENCE METHODS FOR ASSESSMENT OF CONCENTRATIONS OF RELEVANT POLLUTANTS

PART IReference method for the analysis of sulphur dioxide

ISO/FDIS 10498 (Standard in draft) Ambient air — determination of...

PART IIReference method for the analysis of nitrogen dioxide and oxides of nitrogen

ISO 7996: 1985 Ambient air — determination of the mass...

PART IIIAReference method for the sampling of lead

The reference method for the sampling of lead will be...

PART IIIBReference method for the analysis of lead

ISO 9855: 1993 Ambient air — Determination of the particulate...

PART IVReference method for the sampling and measurement of PM₁₀

The reference method for the sampling and measurement of PM10...

PART VReference method for the sampling and analysis of benzene

The reference method for the measurement of benzene will be...

PART VIReference method for the analysis of carbon monoxide

The reference method for the measurement of carbon monoxide will...

SCHEDULE 7 INFORMATION TO BE INCLUDED IN THE PLAN OR PROGRAMME FOR IMPROVEMENT OF AIR QUALITY

1Localisation of excess pollution

2General information

3Responsible authorities

4Nature and assessment of pollution

5Origin of pollution

6Analysis of the situation

7Details of those measures or projects for improvement which existed prior to 21st November 1996

8Details of those measures or projects adopted with a view to reducing pollution following 21st November 1996

9Details of the measures or projects planned or being researched for the long term.

10List of the publications, documents, work etc used to supplement information requested in this Schedule.

2002 No. 3183 (W.299)

ENVIRONMENTAL PROTECTION, WALES

The Air Quality Limit Values (Wales) Regulations 2002

Made17th December 2002

Coming into force31st December 2002

The National Assembly for Wales ( “the National Assembly"), in exercise of the powers conferred upon it by section 29 of the Government of Wales Act 1998M1 and subsection (2) of section 2 of the European Communities Act 1972M2, and having been designated for the purpose of that subsection by Article 2 of the European Communities (Designation) (No. 3) Order 2000M3 in relation to measures relating to the assessment and management of ambient air quality and compliance with air quality limit values, target values and objectives, hereby makes the following Regulations: