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pollutant-specific data: NOx NMVOC SOx NH3 PM2.5 PM10 TSP BC CO Pb Cd Hg As Cr Cu Ni Se Zn PCDD/F B[a]P B[b]F B[k]F I[x]P PAH1-4 HCB PCB

Recalculations - Polyaromatic Hydrocarbons 1 to 4

The rather remarkable changes within the National Total reported for 1990 (+1.94 t or +1.68 %) are dominated by newly implemented emission estimates for B[b]F, B[k]F and I[x]P from NFR sub-category 2.C.3, increasing the PAH emissions from this specific source by more than 200 %. Furthermore, a variety of often opposing revisions occurs for sub-categories throughout NFR 1.

Table 1: Changes of emission estimates 1990

Submission 2025 Submission 2026 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 115.67 117.61 1.94 1.68% sub-category chapters
NFR 1 - Energy 102.40 102.50 0.09 0.09% sub-category chapters
1.A.2.g vii 0.097716 0.097723 0.000007 0.01% here
1.A.3.b i 1.24 1.56 0.32 25.62% here
1.A.3.b ii 0.06 0.10 0.04 62.72% here
1.A.3.b iii 0.80 0.57 -0.23 -28.93% here
1.A.3.b iv 0.018 0.016 -0.002 -9.08% here
1.A.3.b vi 0.06 0.04 -0.02 -28.25% here
1.A.3.c 0.29 0.28 -0.01 -4.08% here
1.A.4.a ii 0.01910 0.01909 -0.00001 -0.03% here
1.A.4.c ii 0.211353 0.211351 -0.000002 -0.001% here
NFR 2 - IPPU 11.81 13.65 1.85 15.65% sub-category chapters
2.C.3 0.90 2.75 1.85 206% here
NFR 3 - Agriculture NA
NFR 5 - Waste 1.46 1.46 0.00 0.00%
NFR 6 - Other NA
Submission 2025 Submission 2026 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 23.03 23.22 0.19 0.83% sub-category chapters
NFR 1 - Energy 22.92 23.00 0.08 0.34% sub-category chapters
1.A.2.g vii 0.0064068 0.0064072 0.0000005 0.01% here
1.A.3.b i 0.39 0.50 0.11 28.12% here
1.A.3.b ii 0.018 0.025 0.007 40.18% here
1.A.3.b iii 0.08 0.06 -0.02 -28.84% here
1.A.3.b iv 0.0052 0.0050 -0.0002 -3.59% here
1.A.3.c 0.007 0.005 -0.002 -31.01% here
1.A.4.a ii 0.0012434 0.0012430 -0.0000003 -0.03% here
1.A.4.c ii 0.0138588 0.0138586 -0.0000001 -0.001% here
NFR 2 - IPPU 0.07 0.18 0.11 158% sub-category chapters
2.C.3 NE 0.11 0.11 here
NFR 3 - Agriculture NA
NFR 5 - Waste 0.04 0.04 0.00 0.00%
NFR 6 - Other NA

The significant changes within the National Total reported for 2022 (+1.28 t or +4.92 %) are dominated by revisions in NFR sub-categories 1.A.4.b i with +1.39 t and 1.A.4.a i with -0.11 t togehter with a variety of small revisions throughout NFR 1.

However, the most significant percental change occurs in NFR 1.A.4.a ii with minus 16 %.

Table 2: Changes of emission estimates 2023