Registered noise levels


Time series: Ecology_5.1_en.xls
INSTITUTIONAL SURVEYS - Registrered noise levels
Contact
Contact organisation

National statistical institute

Contact organisation unit

Environmental and Energy Accounts Department

Contact name

Marieta Petrova

Contact person function

Chief expert

Contact mail address

2 Panayot Volov St., 1038 Sofia

Contact email address

[email protected]

Contact phone number

+359 2 9857 504

Contact fax number
Metadata update
Metadata last certified20 December 2018
Metadata last posted20 December 2018
Metadata last update20 December 2018
Statistical presentation
Data description

Annual data about the number of points of noise registration and measured noise levels in decibels.

Classification system
Sector coverage

Exhaustive survey which covers all points of noise registration in the country.

Statistical concepts and definitions
Statistical unit
Statistical population
Reference area

Total for the country.

Time coverage

1980 - 2017

Base period

Not applicable.

Unit of measure

Number; Decibels.

Reference period

Year.

Institutional mandate
Legal acts and other agreements

National system for monitoring noise in the environment.

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 Registrered noise levels 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

· Environment;

· Statistical Reference Book;

· Statistical Yearbook.

On-line database

Data on Registrered noise levels are available to all users of the NSI website under the heading Environment: http://www.nsi.bg/en/node/5102

Micro-data access

Not available.

Other

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

Documentation on methodology

Statistical questionnaire for registered noise levels.
 

Quality documentation

Not available.

Quality management
Quality assurance
Quality assessment
Relevance
User needs
User satisfaction
Completeness
Accuracy and reliability
Overall accuracy
Sampling error
Non-sampling error
Timeliness and punctuality
Timeliness
Punctuality
Coherence and comparability
Comparability - geographical
Comparability - over time
Coherence - cross domain
Coherence - internal
Cost and burden
Data revision
Data revision - policy
Data revision - practice
Statistical processing
Source data

National Center of Public Health and Analysis.

Frequency of data collection

Yearly.

Data collection

Electronic questionnaire of the National Center of Public Health and Analysis.

Data validation
Data compilation
Adjustment
Comment
Download in SDMX 2.1 file format: INSTITUTIONAL SURVEYS - Registrered noise levels
Metadata Structure Definition in SDMX 2.1: ESMS_MSD+BNSI+2.0+SDMX.2.1.xml
Download in SDMX 2.0 file format: INSTITUTIONAL SURVEYS - Registrered noise levels
Metadata Structure Definition in SDMX 2.0: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml
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