Report - DCE - Nationalt Center for Miljø og Energi

Emission of NMVOC from production of chemical ingredients has been
transferred from sector 2WKHU SURGXFWLRQ * to &KHPLFDO LQGXVWU\.
The emission factors applied for NMVOC from refining of sugar within the
sector 2WKHU SURGXFWLRQ has been revised.
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Improvements and additions are continuously being implemented due to
the comprehensiveness and complexity of the use and application of solvents
in industries and households. The main improvements in the 2011 reporting
include the following:
• Inclusion of NMVOC use and calculations of NMVOC emissions for the
time period 1990 to 1994
• Inclusion of Tobacco smoking and Combustion of Charcoal for Barbeques
in Other Product Use
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Compared with the previous NH3 and PM emissions inventory (submission
2011), some changes and updates have been made. These changes cause a
decrease in the NH3 emission (1985 – 2009) and a decrease in the PM emission
(2000 – 2009).
Emission of NH3 has decreased 1-3% in the period 1985-2009 compared to
the submission 2011. The main reason for the decrease is an adjustment of
emission factors for synthetic fertilisers. The emission factors have been updated
in cooperation with the Danish Plant Directorate.
The PM emission decreases because a technical error in the calculation of
PM from animal husbandry has been corrected.
The calculation of number of produced bulls has been changed to being
based on slaughtering data from Statistics Denmark instead of annually census.
An error in the calculation of number of weaners and fattening pigs has
been corrected. Furthermore have the time series of the distribution of animals
on deferent housings types been reviewed by experts. These changes in
activity data have influence on both NH3 and PM emissions.
The emission of NMVOC from crops has been recalculated for 2009 because
of new data for agricultural land from Statistics Denmark.
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Changes have been made to the methodology of accidental building and vehicle
fires. For accidental building fires, the different building categories
now also include additional buildings (sheds, greenhouses etc.) and container
fires. Also there are now four damage categories; full, large, medium
and small scale fires, corresponding to 100, 75, 30 and 5 % damage rate respectfully.
The effect of these changes is a decrease in emissions between 4-9
% for particles and 44-47 % for NMVOC. Even though the number of included
building fires is higher in this year’s inventory, the total emissions
are lowered. In earlier years buildings like carports, sheds and greenhouses
were categorised as detached houses and emissions from these fires were
calculated based on average floor space and content masses that were much