Sources of emissions


Emissions of pollutants in the air
Contact
Contact organisation

National statistical institute

Contact organisation unit

"Environmental and Energy Statistics" Department

Contact name

Rosen Yordanov

Contact person function

State Expert

Contact mail address

2 Panayot Volov St., 1038 Sofia

Contact email address

[email protected]

Contact phone number

+359 2 9857 761

Contact fax number
Metadata update
Metadata last certified29 July 2021
Metadata last posted29 July 2021
Metadata last update29 July 2021
Statistical presentation
Data description

The table about the emissions of pollutants in the air contains information from the National Statistical Institute (NSI) and Executive Environmental Agency at the Ministry of Environment and Water. The emissions are estimated by using a balance method based on the indicators: consumed fuels, calorific value, quantity of produced output and invested raw materials, as well as emission factors applicable for the respective pollutants.

Classification system

The classification used according EMEP/EEA guidebook 2019 of:

· sources of emissions;

· fuels;

·  treatment facilities and measures to protect the atmosphere.

Sector coverage

The statistical survey includes enterprises of all economic activities which operation is  linked with the formation of emissions.

Statistical concepts and definitions

Concepts and definitions are used according to EMEP/EEA guidebook 2019.

Statistical unit

Firms, enterprises, local units, which activity is directly or indirectly connected with the formation of emissions.

Statistical population

Economic subjects, which composition of activities includes:

  • processes for energy production (covered by the spent fuels);
  • processes for production of other output (covered by the input raw materials, output, etc.).
Reference area

Total for the country and some industrial regions.

Time coverage

1992 - 2019

Base period

Not applicable.

Unit of measure

Tons

Reference period

Year

Institutional mandate
Legal acts and other agreements
The Law on Statistics;
Regulation 223/2009 of the European Parliament and of the Council on European Statistics;
CONVENTION on long-range transboundary air pollution;
Ordinance on the procedure and manner of organizing the national inventories of emissions of harmful substances and greenhouse gases into the atmosphere;
Regulation (EU) № 691/2011 of the European Parliament and of the Council on the European Economic Accounts for the Environment.
Data sharing

The data for the previous year are provided annually to the Executive Environment Agency, for the needs of the inventory of emissions of harmful substances.

Confidentiality
Confidentiality - policy

· Law on Statistics;

· Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society.

http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2009:087:0164:0173:bg:PDF

Confidentiality - data treatment

Individual data are not published in accordance with article 25 of the Law on Statistics. The publishing of individual data can be performed only in accordance with article 26 of the same law.

Release policy
Release calendar

The date of release of statistical information are indicated in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.

Release calendar access

The calendar is available on the NSI website: http://www.nsi.bg/en/node/480

User access

Data on Emissions of pollutants in the air are published on the NSI website, section Environment in accordance with the Law on Statistics and the European Statistics Code of Practice respecting the professional independence and aimed at objectivity, transparency and equal treatment of all consumers.

Frequency of dissemination

Yearly

Accessibility and clarity
News release

Not applicable.

Publications

· Electronic Publication "Environment";

· Statistical Yearbook;

· Statistical Reference Book;

· "Bulgaria" (brochure).

On-line database

Data on Emissions of pollutants in the air are available to all users of the NSI website under the heading Environment: http://www.nsi.bg/en/node/5080

Micro-data access

Anonymised individual data can be provide for scientific and research purposes, and for individual request according to the Rules for the provision of anonymised individual data for scientific and research purposes.

Other

Information service on request, according to the Rules for the dissemination of statistical products and services in NSI.

Documentation on methodology

EMEP / EEA air pollutant emission inventory guidebook 2019 of the European Environment Agency.

Quality documentation

Not available.

Quality management
Quality assurance

· European Statistics Code of Practice;

· A common framework for quality management in the National Statistical System.

Quality assessment

Not applicable.

Relevance
User needs

Main users of survey's statistical information are the state and municipal entities, associations, companies and citizens.

User satisfaction

Provides the required set of indicators for timely data reporting.

Completeness

The data are collected by studying the main data set - the enterprises that form the significant part of the emissions.

Accuracy and reliability
Overall accuracy

Overall accuracy is related to data quality. For this purpose, additional analyzes and checks of all economic units suspected of having incorrect units of measurement, indicators and others are performed.

Sampling error

Not estimated.

Non-sampling error

Not estimated.

Timeliness and punctuality
Timeliness

The data are published according to the terms laid down in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.

Punctuality

All publications are prepared timely, according to the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.

Coherence and comparability
Comparability - geographical

High degree of comparability of definitions and classifications between EU Member States in terms of statistical survey results.

Comparability - over time

Time series are available since 1992.

Coherence - cross domain

The data are coherented with statistics on the energy sector and agriculture.

Coherence - internal

The data are coherented with statistics on the energy sector and PRODCOM - statistics by products.

Cost and burden

In order to reduce the burden on respondents data collected by electronic questionnaire.

Data revision
Data revision - policy

Revision of the data is applied if necessary.

Data revision - practice

Revision of the data is applied if necessary.

Statistical processing
Source data
Emissions are determined on the basis of data from:
· The official national inventories of air emissions under the Convention on Long-range Transboundary Air Pollution and the United Nations Framework Convention on Climate Change;
· Data from an annual specialized statistical survey;
· Data from energy sector statistics, and PRODCOM - statistics by product .
Frequency of data collection

Yearly

Data collection

The data are collected by questionnaires in Excel format, sent by e-mail. Data on emission sources are provided by all economic entities in the activity, which include: processes for electricity production (covered by the consumed fuels); processes in the production of other products (covered by consumed raw materials, manufactured products, etc.).

Data validation

Comparing the data with those reported in the previous year concerning incorrect measure units and incorrect data by code on fuel of heating and industrial processes.

Data compilation

The emissions are estimated by using a balance method based on the indicators: consumed fuels, Sulphur contents, calorific value, quantity of produced output and invested raw materials, as well as emission factors applicable to the respective pollutants.

Adjustment

Not applicable.

Comment
Download in SDMX 2.1 file format: Emissions of pollutants in the air
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Download in SDMX 2.0 file format: Emissions of pollutants in the air
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  • Emissions of pollutants in the air
  • Emissions of pollutants in the air from industrial, combustible and production processes
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  • Friday, 14 December 2012 - 11:00

    The National Statistical Institute presents results from annual surveys in the domain of environmental statistics for 2011. Detailed data by particular topics are placed under the heading "Environment" on the NSI web page.

  • Thursday, 15 December 2011 - 11:00

    The National Statistical Institute presents to the users results from annual surveys in the domain of environmental statistics for 2010.

Pages

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    The National Statistical Institute presents to users of statistical information the annual publication - Statistical Reference Book 2020 in English.

    The Statistical Reference Book presents topical information on the demographic processes as well as the economic, social and cultural development of the Republic of Bulgaria for the 2016 - 2019 period.

  • Statistical Reference Book 2020 (Bulgarian version)
    The National Statistical Institute presents to users of statistical information the annual publication - Statistical Reference Book 2020 in Bulgarian.

    The Statistical Reference Book presents topical information on the demographic processes as well as the economic, social and cultural development of the Republic of Bulgaria for the 2016 - 2019 period.

  • Bulgaria 2020
    The National Statistical Institute presents the bilingual (Bulgarian/English) brochure Bulgaria 2020 to users of statistical information. The brochure is addressed to a wide range of users (international institutions, business, students, experts etc.) and changes the traditional presentation of statistical information by offering an innovative structure with a parallel translation in English. The publication contains topical statistical information about the demographic, social and economic development of the country over the 2014 - 2019 period.
  • Statistical Yearbook 2019
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    It provides current statistical information about the demographic, economic and social development of the country for 2013 - 2018 in different territorial and classification aggregations and breakdowns.

  • Environment 2017
    The National Statistical Institute presents to users of statistical information electronic bilingual (Bulgarian/English) publication Environment 2017 that contains data from surveys of NSI in 2017 related to the environment in Bulgaria. There are also data on key indicators for the period 2013 - 2017. The information is systematized in the following sections:
    • Еmissions in the air
    • Water abstraction, water supply, water use, wastewater, wastewater treatment plants

Pages