Collected solid wastes, liquid waste and ballast

Time series: Ecology_4.1_en.xls
INSTITUTIONAL SURVEYS - Pollution prevention of sea waters and the Danube river
Contact organisation

National statistical institute

Contact organisation unit

Environmental and Energy Аccounts Department

Contact name

Marieta Petrova

Contact person function

Chief ​expert

Contact mail address

2, P.Volov Str. Sofia 1038, Bulgaria

Contact email address

[email protected]

Contact phone number

+359 2 9857 504

Contact fax number
Metadata update
Metadata last certified20 December 2016
Metadata last posted20 December 2016
Metadata last update20 December 2016
Statistical presentation
Data description

Annual data about carried out control activity on collected solid and liquid waste and ballast from ships, and on petrol floods and petrol products taken off from sea waters and the Danube River.

Classification system
Sector coverage

Institutions carrying out control activity and management of liquid and solid waste; firms and departments carrying out activity on waste collecting.

Statistical concepts and definitions
Statistical unit
Statistical population
Reference area

Danube River and Black sea

Time coverage

1993 - 2015

Base period

Not applicable.

Unit of measure

Number, tons.

Reference period


Institutional mandate
Legal acts and other agreements

· Rules for protecting the Danube River's waters from contamination at shipping;

· Law for marine areas.

Data sharing
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:

User access

Data on Pollution prevention of sea waters and the Danube river 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


Accessibility and clarity
News release



· Environment;

· Statistical Reference Book;

· Statistical Yearbook.

On-line database

Data on Pollution prevention of sea waters and the Danube river are available to all users of the NSI website under the heading Environment:

Micro-data access

Not available.


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

Documentation on methodology

Statistical questionnaire.

Quality documentation

Not available.

Quality management
Quality assurance
Quality assessment
User needs
User satisfaction
Accuracy and reliability
Overall accuracy
Sampling error
Non-sampling error
Timeliness and 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

Institutions, companies and departments carrying out control activity on collecting solid and liquid waste from sea waters and the Danube River. State Shipping Inspectorate, port complexes.

Frequency of data collection


Data collection

Electronic questionnaire.

Data validation
Data compilation
Metadata Structure Definition: ESMS_MSD+BNSI+2.0+SDMX.2.0.xml
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