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--- sector:ippu:mineral_industry:start [2025/04/02 13:48] – [Discussion of emission Trends] kludt
+++ sector:ippu:mineral_industry:start [2025/04/02 13:54] (current) – [Discussion of emission Trends] kludt
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 [{{:sector:ippu:mineral_industry:em_2a_air_since_1990.png|**Emission trends in NFR 2.A**}}]
-The steep reduction especially for TSP and SO<sub>2</sub> at the beginning of the 1990s was due especially to closures in the eastern German industrial sector. The last statistic of the GDR is the source for emissions data of year 1990 for eastern Germany in cases of TSP and SO<sub>2</sub>, in principle absolut amounts of emissions not old emission factors within a calculation.
+The steep reduction especially for TSP and SO<sub>2</sub> at the beginning of the 1990s was due especially to closures in the eastern German industrial sector. The last statistic of the GDR[(Emissionsberichte 1985 - 1989 / released by Statistischen Amt der DDR, not public, but existing copy in UBA-Library under signature LU350633/1989)] is the source for emissions data of year 1990 for eastern Germany in cases of TSP and SO<sub>2</sub>, in principle absolut amounts of emissions not old emission factors within a calculation.
 These unusual emissions are allocated to [[Sector:IPPU:Mineral_Industry:Other_Mineral_Products:Start| 2.A.6 Other Mineral Products]].