identification, assessment and prioritisation of eu ... - Ariacube

BiPRO
Example 2:
The annual waste incineration in the European Union can be derived from statistics; the
average specific exhaust gas flow and the average POP concentration in the clean gas can
be calculated from a range of reported data derived from literature. Thus the annual release of
this POP can be easily calculated following the equation
Annual production (kt/y) x specific exhaust gas flow (Nm³/t) x POP Concentration (ng/Nm³) =
Annual release/year (μg/y)
Example 3:
The annual transport and road traffic in the European Member States can be derived from
statistics; annual releases have been reported by a number of Member States; thus “countryrelated“
emission factor can be derived and used for the calculation of an average emission
factor following the equation:
EFcountry (mg/km) = annual emissions (mg/y) : Annual traffic (km/y)
As far as possible all mass flows contributing with more than 5% of the overall releases to a
specific compartment have been validated and controlled for plausibility via cross-checks as
far as possible. These cross checks use different data sources or different ways of calculation
and show the possible range or results. They are summarised in a semi-quantitative
uncertainty analysis.
The results of the mass flow calculations are presented separately for each of the POPs
investigated by means of a flow scheme.
In this scheme all contributing sources are grouped as “roots” into three “categories of mass
flow relevance” quantifying the dimension of overall releases. The total annual releases are
presented as “trunk” and the releases into the different environmental compartments form the
“branches” of the mass flow scheme.
Subsequently major sources (contributing ≥ 5% of the total) are compiled as columns
separately for each release pathway in order to highlight and focus on the major results.
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