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A UN treaty signed on 25 June 1998 by the European Union in the Danish city of Aarhus, providing for access to information,
public participation in decision-making and access to justice in environmental matters. It is known as the Aarhus convention.
This website is a result of the Aarhus convention
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A catchment area is the area from which surface runoff is carried away by a single drainage system. In general,
this term is used for the area of land bounded by watersheds draining into a specific river, basin or reservoir.
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The 9 colour ranges in the maps presented run from light yellow to dark red. This classification is calculated automatically
using the minimal and maximal emission values. One out of three methods can be used: equal value, equal count and equal value
based on logarithmic values.
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Air, water and soil represent the three classical compartments. Two extra compartments have been added to the Emission register.
These are: ‘Air’ and the compartment ‘Air IPCC’, excluding some national emissions (e.g. emissions from international shipping,
air traffic above a certain level and the use of biofuels). Water has three compartments: ‘Discharged load to surface water’,
'Load to sewers' and ‘Load to sewers and surface waters’. See also the general
explanation of compartiments
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The national authority assigned by a member state to validate emissions. In the Netherlands the provinces validate the emissions
to air from the larger facilities. The municipalities validate the emissions from agriculture. For emissions to water the competent
authority is the local water board assigned to the catchment area; in the case of large rivers or the sea, the competent authority
is the national government.
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Ozone-depleting substances taken up in the Montreal Protocol; they comprise hydrogen, chlorine, fluorine, and carbon.
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Ozone-depleting substances mentioned in the Montreal protocol, consisting of chlorine, fluorine, and carbon:
CFCl3 (CFC-11), CF2CL2 (CFC-12),
C2F3Cl2 (CFC-113), C2F5Cl (CFC-115), CF3Cl (CFC-13),
C2FCl5 (CFC-111), C2F2Cl4 (CFC-112), C3FCl7 (CFC-211),
C3F2Cl6 (CFC212), C3F3Cl5 (CFC-213), C3F4Cl4,
(CFC-214), C3F5Cl3 (CFC-215), C3F6Cl2 (CFC-216),
C3F7Cl (CFC-217).
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The factsheet atmosferic deposition
for the Netherlands and the Netherlands Continental Shelf describes the method used to calculate deposition on coastal waters. Coastal waters are defined by a 1 mile
distance from shore. This website contains data of all saltwater, including Waddenzee and Oosterschelde and Westerschelde.
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the large number of small and scattered sources which can produce emissions to the air, soil and water.
Their combined effect can be significant but it is not practicle to report them individually.
Within the Dutch emission register every emission source without an individual emission report is considered
to be a diffuse source, including emissions from transportation, consumers etc. but also emissions from small and medium sized enterprises
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Direct emissions are emissions direct to the surface water (load to surface water).
Indirect emissions are emissions to the sewer system and sewage treatment plant (emissions to water).
See the explanation of compartiments
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The Dutch Emission Register contains the emissions of more than a hundred components. But not always all sources are known.
Consequently there is no national figure given. In order to publish as much al possible data we use the so called Embargosheet,
stating the sources without a known emission for a given component [Index]
European co-operative programme for Monitoring and Evaluation of the long-range transmission of air Pollutants
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The emission source is the most detailed level for defining emissions on a national scale. More than a thousand emission sources
are summed in a hierarchy of over 100 sub-sectors and 14 sectors. Some emission sources within such sectors as Industry or Energy
have another level below the emissions source: the individual facilities.
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EPER is the first European-wide register of industrial emissions to air and water. It provides access to information on the annual emissions of approximately
12,000 facilities in the 25 member states of the EU and Norway for the year 2004, see the EPER website
It allows you to group information easily, by pollutant, activity (sector), air and water (direct or via a sewer system) or by country.
It is also possible to see detailed data on individual facilities. EPER has delivered two datasets: one for 2001 and one for 2004.
EPER will be replaced by E-PRTR (see below).
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The European PRTR is the European Pollutant Release and Transfer Register - the European-wide register of industrial and non-industrial
releases into air, water, land and off-site transfers of waste water and waste, including information from point and diffuse sources.
The first E-PRTR reporting year will be 2007. E-PRTR replaces EPER.
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Facility is the formal id for a company or point source. A facility is defined as an industrial complex with
one or more installations on the same site.
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Greenhouse gases (GHG) are gaseous components of the atmosphere that contribute to the greenhouse effect. The major natural greenhouse gases
are water vapor, carbon dioxide (CO2) and ozone. Other greenhouse gases are methane (CH4), nitrouse oxide
(N2O), hydrofluorcarbons (HFC's) and sulfur hexafluoride (SF6).
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Ozone-depleting substances taken up in the Montreal protocol:
CF2BrCl, CF3Br, C2F4Br2, CH3Br.
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Heavy metals are a group of elements - between copper and lead on the periodic talbes of the elements - having atomic
weights between 63.546 and 200.590 and specific gravities greater than 4.0. Living organisms require trace amounts of some
heavy metals, including cobalt, copper, manganese and zinc, but excessive levels can be detrimental to the organism.
Other heavy metals such as mercury, lead and cadmium have no known vital or beneficial effect on organisms,
and their accumulation over time in the bodies of mammals can cause serious illness. [Index]
Hydrofluorocarbons, a group of greenhouse gases:
HFC23, HFC32, HFC41, HFC4310mee, HFC125, HFC134, HFC134a, HFC152a, HFC143, HFC143a, HFC227ea, HFC236fa, HFC245ca, HFC365mfc.
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The Intergovernmental Panel on Climate Change (IPCC) was established by WMO and UNEP to assess scientific,
technical and socio-economic information relevant for the understanding of climate change, its potential impacts and options
for adaptation and mitigation
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IIPPC forms the subject matter of Council Directive 96/61/EC of 24 September 1996, concerning integrated pollution
prevention and control, a European Union regulation which is referred to as the IPPC Directive.
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A method report describes how the emissions of a specific emission source are calculated. You can find
these reports selecting 'documents' in the menu. Many of them are in the Dutch.
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Statistical Classification of Economic Activities from the European Union:
Nomenclature générale des Activités économiques dans les Communautés Européennes.
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DIRECTIVE 2001/81/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 October 2001
on national emission ceilings for certain atmospheric pollutants
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Ozone-depleting substances mentioned in the Montreal protocol. Sum of CF4, C2F6, C3F8, C4F10,
c-C4F8, C5F12, C6F14. PFC is 6500-9200 times more effective than carbon dioxide at trapping heat in the atmosphere.
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In the Dutch Emission Register a point source is the synonym of a company or facility with known individual emissions. However, not all the emissions from all the point sources are known.
Point sources without known individual emissions belong therefore to diffuse sources.
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This is the process in which national emissions are allocated to a spatial unit
(e.g. community, province, gridcel or water catchment area).
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United Nations Economic Commission for Europe
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UNECE Convention on Long-range Transboundary Air Pollution
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United Nations Environment Programme
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United Nations Framework Convention on Climate Change
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A water catchment area is the area from which surface runoff is carried away by a single drainage system. In general
this term is used for the area of land bounded by watersheds draining into a specific river, basin or reservoir.
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