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

Stefan Tsonev

Contact person function

Head of Division

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 certified01 January 1970
Metadata last posted01 January 1970
Metadata last update16 January 2014
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 calculation 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

· Nomenclature of sources of emissions;

· Nomenclature of fuels;

· Nomenclature of treatment facilities and measures to protect the atmosphere.

Sector coverage

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

Statistical concepts and definitions
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 - 2011

Base period

Not applicable.

Unit of measure

Tons.

Reference period

Year

Institutional mandate
Legal acts and other agreements
Data sharing
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.

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 is 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 is 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

No

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

Methods of the National Statistical Institute (NSI) and the Ministry of Environment and Water (MOEW), harmonized with the methodology CORINAIR of European Union.

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
Relevance
User needs

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

User satisfaction

No information. Survey about satisfaction of customers has not been conducted.

Completeness
Accuracy and reliability
Overall accuracy
Sampling error
Non-sampling error
Timeliness and punctuality
Timeliness

The data is 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
Comparability - over time

Time series are available beginning 1992.

Coherence - cross domain

Not applicable.

Coherence - internal

Not applicable.

Cost and burden
Data revision
Data revision - policy

Revision of the data is applied if necessary.

Data revision - practice

See pervious position.

Statistical processing
Source data

Specialized statistical survey.

Frequency of data collection

Yearly.

Data collection

The survey on sources of emissions is conducted by means of questionnaire completed by all 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 spent materials, output, etc.).

The questionnaire is collected by correspondence way on paper, and via e-mail.

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 calculation 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 file format: Emissions of pollutants in the air
Metadata Structure Definition: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml
  • Emissions of pollutants in the air
  • Emissions of pollutants in the air from industrial, combustible and production processes
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