Cabinet of Ministers Regulations No. 286 in Riga on 2 July 2002 (pr. Nr. 27, 9. §) rules on air quality are Issued in accordance with the law "on environmental protection" article 18, second subparagraph, and the law "on pollution" 12. the second paragraph of article i. General questions 1. determines the air quality regulations (mean outdoor air in the troposphere, excluding work environment), to prevent harm to human health or to the environment and to ensure the conservation of biodiversity in the long-term, given the required safety margin and giving : 1.1. ambient air quality (air properties which define the physical, chemical and biological factors in the degree of exposure to people, plants and animals, as well as on the environment in General) laws in the territory of Latvia and their attainment deadlines;
1.2. the highest and lowest levels of air pollutants;
1.3. parameters, monitoring methods and methods for the determination of the relevant air quality regulatory excess;
1.4. the measures to be taken if air quality standards are exceeded.
2. air quality regulations and rates are: 2.1 information — that mean a level beyond which there is a specified period of time under these rules is necessary to inform the public;
2.2. air quality target values: size, determined to prevent the long-term effects of air pollution on human health or the environment as a whole; This must be rectified within the period specified the size of the surplus;
2.3. air quality limit values: scientifically determined size, determined to avoid adverse effects on human health or the environment in General, prevent or reduce it. This must be rectified within the period specified, then the excess size threshold limits is not permitted;
2.4. the level of air pollution — air pollutant concentration in the air or the reason there was a depozīcij of the pollutant on the surface of a given period;
2.5. air pollutant: any substance that people directly or indirectly enter the air and which has potentially harmful effects on human health or the environment; 2.6. tolerance limits: the requirements of this regulation in accordance with the air quality limit values in excess of the allowable percentage;
2.7. the alarm level: the air pollution level beyond which if exposure occurs after a threat to human health and that requires immediate action.
 
 
II. Control air pollutants 3. in order to ensure air quality, human health and ecosystem protection, determine air quality regulations that lay down the permissible air pollution levels. The air quality regulations States: 3.1 sulphur dioxide (annex 1): 3.1.1. sulphur dioxide pollution level measurement for the base (reference) method uses the standard EN ISO 10498 "air. Determination of sulphur dioxide. Ultraviolet fluorescence method or any other method of analysis with equivalent or better performance;
3.1.2. air monitoring stations that measure the sulphur dioxide concentration in one hour, recorded a 10-minute average concentration. The annual report shall contain the 10-minute concentrations of 98 and 99 percentile. together with the hour of the values. Populated places, the following measurements shall be carried out and which is the source of sulphur dioxide pollution, annual reports include information on 10-minute concentrations which, during the year exceeds 500 µ g/m3;
3.2. a nitric oxide and nitrogen dioxide (nitrogen oxides) (annex 2). Nitrous oxide pollution level measurement for the base (reference) method uses the standard EN ISO 7996:1985 "air quality. Mass concentrations of nitrogen oxides. Chemiluminescent method or any other method of analysis with equivalent or better performance;
3.3. dust (particulate matter, which is not the chemical composition of certain other regulations) (annex 3) — that determines the PM10 dust passes through a size-selective inlet with an aerodynamic diameter of 10 µm, which hold at least 50% of the dust, and dust which PM2, 5 shall be placed through a size-selective inlet with an aerodynamic diameter of 2.5 µm, thus arresting at least 50% of the dust: PM10 and PM2 3.3.1 dust sampling points If possible, deploy in one place;
3.3.2. PM10 sampling dust and air pollution level measurement using base (reference) method that is defined in the standard EN EN 12341 "air quality. Particulate fractions of PM10. Reference method and field testing to demonstrate the equivalence of the reference methods of measurement method ", or any other method of analysis with equivalent or better performance. If the measurements used for the gravimetric method, the measurement result is multiplied by a factor of 1.2;
3.4. lead (annex 4): 3.4.1. air monitoring stations that take samples to determine the level of air pollution by lead, deployed in places where potential air pollution levels exceed this provision in annex 4 air quality limit values;
3.4.2. lead level measurements use a sampling base (reference) method that is defined in the standard EN EN 12341 "air quality. Particulate fractions of PM10. Reference method and field testing to demonstrate the equivalence of the reference methods of measurement method ", and the analysis database (reference) method that is defined in the standard EN ISO 9855:1993". Determination of the content of lead aerosols using filters. Atomabsorbcij-spectrophotometry method ", or any other sampling and analysis method of equivalent or better performance;
3.5. ozone (annex 5): 3.5.1 level of ozone monitoring criteria, baseline (reference) method for the measurement of ozone pollution and annual measurement result calculation principles specified in annex 6 of these rules. Ozone pollution levels used for the database (reference) method or any other level valuation method of equivalent or better performance;
3.5.2. The country office annual reports hidrometeoroloģij on ozone pollution levels include information about the maximum, average, and 98 percentile in one hour and eight-hour average of that year recorded in each of the monitoring stations. Percentile is calculated in accordance with the provisions of annex 6 of the specified method. The report indicates the dates and duration of retention of the level of pollution, when this is exceeded the rule specified in annex 5 the air quality regulations. National hidrometeoroloģij authority may include in the report for additional information on percentile 99,9.;
3.6. benzene (annex 7): 3.6.1. benzene contamination levels (reference) method is air sampling, pumping it through the absorbent layer and then determining the concentration of benzene with gas chromatography method, or any other sampling and (or) method of analysis of equivalent or better performance;
3.6.2. where specific air pollution dispersion characteristics or the impact of climatic conditions (e.g., low wind speed, high efficiency evaporation), or the reduction of the level of air pollution is causing major social and economic problems, the legislation established for a specified period may determine different air quality regulations for benzene than required in annex 7 of these rules, but not greater than 10 µ g/m3. To the following air quality regulations, certain local Government submitted to the coordination of environmental protection and regional development Ministry: 3.6.2.1. a specific zone or agglomeration areas, containing the description of places where it is necessary to provide a different air quality regulations for benzene;
3.6.2.2. the proposed air quality regulations for benzene and the rationale for the determination of such regulations;
3.6.2.3. implementing measures to ensure air quality regulations for benzene and the reduction of its territory exceeded air quality regulations for benzene;
3.6.2.4. the planned measures, in accordance with this rule 21, 24 and 29 against air quality regulations for benzene exceeded;
3.7. carbon monoxide (annex 8). Carbon monoxide pollution level measurement (reference) method is an omnidirectional infrared spectrometry method or any other method of analysis with similar or better performance.
4. in order to assess the level of pollution of the air pollutants that are not specific to air quality regulations, the use of this rule 9. substances in annex maximum level (air pollution level beyond which can cause harm to human health or the environment as a whole).
5. enforcement of this provision of paragraph 3 and 4, the level of air pollution measurements allowed to perform only accredited laboratories respectively.
6. If the indicative measurements or calculations, pollution or a combination of these methods indicate that regularly exceed the provisions specified in annex 9 of the maximum permissible concentration of the substance, the substance of the relevant studies can be included in the list of substances which are definitely air quality regulations.

7. public administration hidrometeoroloģij provides the air pollution level and used to measure sampling and analytical methods and evaluation of conformity in relation to the base (reference) methods and laboratory that measured the level of air pollution, organizing comparative testing of samples.
 
 
III. Air quality assessment 8. National hidrometeoroloģij authority, every five years, organised by the air quality assessment (with appropriate methodologies taken measurements and calculations of estimated or projected air pollution levels) regarding these provisions referred to in paragraph 3 pollutants. If any part of the territory has undergone significant changes that affect the level of air pollution with those provisions referred to in paragraph 3, air pollutants are organized extraordinary air quality assessment.
9. with regard to air pollutants, establish air quality regulations and has not made an assessment of air quality, the State administration of hidrometeoroloģij carried out an initial assessment of the quality of the air, based on its calculations, ratings, Favorites and indicative measurements.
10. to make air quality assessment, the country is divided into zones in accordance with environmental protection and regional development Minister.
11. National hidrometeoroloģij authority organises each year air quality assessment: 11.1. areas with populations over 250000 (metropolitan area);
11.2. in the zones in which one or more air pollutants, pollution levels exceed the limit values may be exceeded, or;
11.3. this rule 11.1 and 11.2. areas referred to continuous air monitoring is mandatory in these rules referred to in paragraph 3 of the air pollutants that exceeds or may exceed air quality standards. The task of the national hidrometeoroloģij authority performed independently or in cooperation with the local government, if they have the appropriate technology and staff.
12. For the assessment of air quality (also air pollution from stationary sources in the surroundings), take the following measures and using such technology criteria, methods and procedures: 12.1. measures to be taken before the start of the measurements: 12.1.1. minimum number of sampling points;
12.1.2. assessment and sampling equipment;
12.1.3 the appropriate measurement and sampling techniques;
12.2. other air quality assessment technology on the basis of the pollutant modelling: 12.2.1. modeling 3D projection and assessment methods;
12.2.2. the corresponding modeling technology.
13. in the light of the agglomeration or area of the form and the level of air pollution, for each air pollutant national hidrometeoroloģij authority determines that the provisions in paragraph 12 of the above criteria and technological requirements.
14. Agglomerations and zones air pollution levels measured at the upper and lower assessment thresholds. Assessment thresholds for sulphur dioxide, nitrogen oxides, dust, lead, benzene and carbon monoxide in these rules specified in annex 10.
15. air monitoring stations of the minimum number of agglomerations and zones is determined using the rules specified in annex 11 criteria.
16. in order to evaluate these rules referred to in paragraph 3, air pollutant levels, air quality monitoring stations sited in accordance with the provisions of annex 12.
17. for agglomerations and zones in which information from air quality monitoring stations of the permanent measurement (the places taken continuously or by random sampling measurements, which provide the actual determination of sufficient pollution measurements) sites are updated with information from other sources (such as emission inventories, indicative measurement methods and air quality modelling) for the assessment of air quality with air monitoring stations installed and other technology for the 3-d expansion must be sufficient to ensure rules referred to in annex 13.
18. In places where air pollution levels are lower than the limit values and the quality of the air which is not a permanent risk to exceed this size, air quality assessment, you can use a single level modeling or calculation technology. This requirement does not apply to agglomerations.
19. Measurement and modeling technology combinations can be used to assess the air quality in areas where air pollution levels for the period in question is below the air quality limit values.
20. Where in accordance with these rules must be measured at the level of air pollution, carried out continuous measurements. Number of measurements must be sufficient levels of air pollution.
 
 
IV. Air quality 21. to improve the air quality in areas where air pollution levels exceed or may exceed the air quality limit values or target values for air quality, as well as in places where air quality assessment of air pollution found in elevations, local government according to the law "on pollution" supports the development of action programmes for the reduction of air pollution and its implementation.
22. in order to improve the air quality in the places where the original air quality assessment found that air pollution levels exceed or may exceed the air quality limit values, the local authority can develop and implement the short-term programme of action to reduce air pollution. A short-term action programme for the reduction of air pollution include immediate measures to reduce air pollution and being implemented until approved by the programme of action for the reduction of air pollution.
23. to develop action programmes for the reduction of air pollution, the State administration of hidrometeoroloģij each year prepares the lists and maps of zones and agglomerations within which: 23.1. one or more of these rules referred to in paragraph 3, air pollutant level exceeds the relevant pollutant air quality limit values or target values for air quality, which added to the tolerance limit, if one is set;
23.2. one or more of these rules referred to in paragraph 3, air pollutant levels are between the limit values and the tolerance limit, if one is set;
23.3. one or more of the provisions referred to in paragraph 3 of the air pollutant level exceeds the provisions specified in annex 10 lower assessment threshold.
24. Local Government is responsible for the development of action programmes for the reduction of air pollution and its implementation in the areas of the agglomeration or area that matches this rule 23.1.23.2 or 23.3.,. the air pollution referred level: 24.1. If the agglomeration or area are exceeded air quality regulations for one of these provisions referred to in paragraph 3 of the air pollutants of concern, are developing a programme of action for the reduction of air pollution;
24.2. If the agglomeration or area are exceeded air quality regulations for more than one of those provisions referred to in paragraph 3 of the air pollutants of concern, is designed for an integrated programme of action for the reduction of air pollution. The integrated action programme for the reduction of air pollution air pollution is a certain reduction of substances whose concentrations exceed the air quality regulations, provided that other air pollutant concentration after the implementation of the programme of action will not increase.
25. the programme of action for the reduction of air pollution, taking account of the level of air pollution and the period of time that is required to reduce air pollution, a tolerance limit may be fixed. This tolerance limit is gradually reduced until it has reached the air quality limit values (at the latest, until such time that tolerance is permitted in accordance with the provisions of 1, 2, 3, 4, 7 and 8 of the annex).
26. The programme of action for the reduction of air pollution the local authorities coordinate with the regional environmental governance.
27. If the area of the agglomeration or area that meets this rule 23.1.23.2 or 23.3.,. the referred to the level of air pollution, covering several areas, the authorities set up by the Commission, whose task is to organize the development of action programmes for the reduction of air pollution and its implementation in these areas for agglomerations or areas.
28. The programme of action for the reduction of air pollution meets the following criteria: 28.1. complexes are conducted air, water and soil protection;
28.2. no contradiction with the safety and health of workers;
28.3. There is no negative impact on the environment next to the territories.
29. the programme of action for the reduction of air pollution include the provision of the information specified in annex 14.
30. in order to maintain the existing level and improve the air quality in areas where air pollution levels are lower than the air quality limit values:

18.7. this rule 23.3. areas referred to can detect air quality target values for air pollutants that have a certain air quality limit values. Air quality target values should not exceed the lower assessment threshold values for air pollutants that are indicated in this provision, or in annex 10 to the observed long-term air pollution levels in this rule referred to in paragraph 3 of the air pollutants that have defined the lower assessment threshold;
30.2. specially protected natural territories can detect air quality target values for the conservation of biodiversity and nature protection measures;
30.3. set air quality targets provide the sustainable development of the territory and at the best possible air quality. Air quality targets in line with the relevant air quality limit values of parameters (such as the time of observation, the air quality targets and the date on which the air quality targets should be achieved).
31. the Government, implementing the programme of action for the reduction of air pollution, once a year (annually on 1 February) by the regional environmental governance review of the implementation of this programme. Regional environmental management prepares an assessment of the programme of action for the reduction of air pollution and proposals on measures to promote the implementation of the programme. Evaluation of action programmes for the reduction of air pollution enforcement regional environmental authority shall prepare and forward to the relevant authorities within two months after receipt of the report.
32. If the action programme for reducing air pollution are not implemented according to the time schedule laid down, it shall be reviewed. The revised programme of action for the reduction of air pollution repeatedly into line with regional environmental governance.
 
 
V. security of information 33. hidrometeoroloģij State Government every five years collect and prepare the information on the air quality assessment in agglomerations and zones.
34. National hidrometeoroloģij authority each year collects and prepares: 34.1. information on air quality assessment 11.1 and 11.2 these rules in these areas;
21.3. the provisions referred to in paragraph 23 lists and maps;
21.3. the information on each case where exceeded alarm levels, information, air quality limit values, target values for air quality or air quality limit values, which added to the tolerance limit, indicating air quality regulatory surplus places, dates, duration and possible reasons.
35.33. These provisions and information referred to in paragraph 34 include the area maps and descriptions and required information to the protection of the environment and regional development Ministry, the Ministry of Welfare and the relevant authorities.
36. in order to provide accurate information about the level of air pollution by sulphur dioxide, nitrogen dioxide, dust, lead, benzene and carbon monoxide, national hidrometeoroloģij authority ensure that: 36.1. information on sulphur dioxide, nitrogen dioxide, ozone, dust and carbon monoxide pollution levels are updated at least once a day;
36.2. the information on the lead and benzene pollution levels are updated at least every three months.
37. in order to provide citizens with information on air pollution levels in the country, the national hidrometeoroloģij Board shall inform the media, as well as environmental protection, consumer protection and public health institutions and organisations, if are exceeded information. The information Office of the State hidrometeoroloģij submit to the institutions and organizations included in the list drawn up for this purpose, which, every three years, consistent with the protection of the environment and regional development Ministry.
38. Information and air pollution levels are specified in this provision in annex 15. National hidrometeoroloģij authority or institution, in the exercise of State or local air quality monitoring, on a regular (at least monthly) information on cases of non-compliance of these indicators.
39. If you exceed the air quality targets, the air quality limit values or alert threshold, public administration or the institution of hidrometeoroloģij, the public in the territory concerned, monitoring functions, it shall immediately inform the local authorities, the regional environment management and protection of the environment and regional development Ministry, providing the terms of the information referred to in paragraph 40, as well as other necessary information.
40. If the alert threshold is exceeded (in the case of ozone pollution information threshold), the local government provides immediate awareness: 24.9. the date, time and place where the pollution occurred;
40.2. the forecast: 40.2.1. changes in pollution (improvement, stabilisation or deterioration);
40.2.2. air pollution reasons and expected changes;
40.2.3. geographical distribution of air pollution;
40.2.4. envisaged duration of retention of air pollution;
40.3. the categories of the population that is potentially sensitive to alert level exceedances;
25.1. the precautionary measures to be taken.
41. Local authorities provide citizens with information on the procedures and implementation of action programmes for the reduction of air pollution. These programs are freely available in every municipality in which they are developed.
 
Vi. Closing questions 42. hidrometeoroloģij State administration until 1 January 2003 in accordance with the provisions of chapter III evaluation of air quality throughout the country.
43. the authorities in the territory in accordance with the provisions of paragraph 24 should develop and implement action programmes for the reduction of air pollution, to January 1, 2004 to ensure the development of this program.
44. Be declared unenforceable in the Cabinet of 15 June 1999, Regulation No 219 "rules on air quality" (Latvian journal, 1999, 224./226.nr.; 2000, 341./344.nr.).
45. The entry into force of the provisions to the august 1, 2002.
Prime Minister a. Smith of environmental protection and regional development Minister v. Makarova in the Editorial Note: the entry into force of the provisions to the august 1, 2002. Full document DOC 208 kb