Registered noise levels


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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 certified21 December 2020
Metadata last posted21 December 2020
Metadata last update21 December 2020
Statistical presentation
Data description

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

Classification system

Not available.

Sector coverage

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

Statistical concepts and definitions

The survey covers all points of noise registration in the country.

Statistical unit

Point of noise registration.

Statistical population


The survey covers all points for noise registration in the country.

Reference area

Total for the country.

Time coverage

1980 - 2019

Base period

Not applicable.

Unit of measure

Number; Decibels.

Reference period

Year.

Institutional mandate
Legal acts and other agreements

Law of statistics.

Data sharing

The data for registered noise levels are provided from National center for public health and analyses.

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

The data are compared with the previous periods.

Quality assessment

Not available.

Relevance
User needs

Main users of information for registered noise levels are different public organizations, students, sitizens and others.

User satisfaction


Not available.

Completeness

The data are presented at national level by districts and towns.

Accuracy and reliability
Overall accuracy

The data for registered noise levels cover all poins for measurement of noise levels in th country.

Sampling error

Not available.

Non-sampling error

Not available.

Timeliness and punctuality
Timeliness

The data are published according the Calendar for dissemination of statistical information.

Punctuality

Not available.

Coherence and comparability

Data are compared with previous reported periods.

Comparability - geographical

Not available.

Comparability - over time

Not available.

Coherence - cross domain

Not available.

Coherence - internal

Not available.

Cost and burden

Cost related to the collection and production of statistics on registered noise levels are announced in the National statistical programme.

Data revision
Data revision - policy

Revision of the data is made in case of changing of methodology or found errors.

Data revision - practice

The data are revised in case of necessity.

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

The data are compared with the previous reported periods.

Data compilation

Data are received by districts and towns from National center of public health and analyses.

Adjustment

Not available.

Comment
Download in SDMX 2.1 file format: INSTITUTIONAL SURVEYS - Registrered noise levels
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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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