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Recalculations - Selenium (Se)

The marginally small changes within the National Total reported for 1990 (+0.00005 t or +0.001 %) result from a variety of revisions throughout NFRS 1 and 2 - with the strongest percental change occuring in NFR 1.A.3.a i(i) with minus 62 %.

Table 1: Changes in emission estimates for 1990

Submission 2023 Submission 2024 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 5.72714 5.72720 0.00005 0.001% sub-category chapters
NFR 1 - Energy 2.02684 2.02687 0.00003 0.002% sub-category chapters
1.A.2.g vii 0.00012 0.00009 -0.00003 -27.8% here
1.A.3.a i(i) 0.00000008 0.00000003 -0.00000005 -62.4% here
1.A.3.a ii(i) 0.0000011 0.0000012 0.0000001 7.61% here
1.A.3.c 0.00895 0.00899 0.00003 0.38% here
1.A.4.a ii 0.000018 0.000016 -0.000002 -12.7% here
1.A.4.c ii 0.00659 0.00663 0.00004 0.54% here
NFR 2 - IPPU 3.70031 3.70032 0.00002 0.0004% sub-category chapters
2.G 0.15948 0.15949 0.00002 0.01% here
NFR 3 - Agriculture NA
NFR 5 - Waste NA
NFR 6 - Other NA

The small changes within the National Total reported for 2021 (-0.003 t or -0.10 %) result from a variety of revisions throughout NFRs 1 and 2**.

The significant percental change occuring in NFR 1.A.3.b iii (+130 %) results from a correction of errenous data reported with the previous submission.

Table 2: Changes in emission estimates for 2021

Submission 2023 Submission 2024 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 2.767 2.764 -0.003 -0.10% sub-category chapters
NFR 1 - Energy 1.264 1.258 -0.007 -0.52% sub-category chapters
1.A.1.a 0.0788 0.0783 -0.0005 -0.58% here
1.A.1.b 0.815 0.806 -0.009 -1.07% here
1.A.2.g vii 0.00013 0.00010 -0.00004 -27.0% here
1.A.2.g viii 0.0196 0.0188 -0.0008 -4.25% here
1.A.3.a i(i) 0.000000012 0.000000011 -0.000000001 -5.24% here
1.A.3.a ii(i) 0.0000001468 0.0000001469 0.0000000001 0.07% here
1.A.3.b i 0.004284 0.004267 -0.000016 -0.38% here
1.A.3.b ii 0.00044 0.00043 -0.00001 -1.74% here
1.A.3.b iii 0.0006 0.0014 0.0008 130% here
1.A.3.b iv 0.0000801 0.0000809 0.0000008 1.02% here
1.A.3.b vi 0.3101 0.3105 0.0003 0.10% here
1.A.3.c 0.00257933 0.00257935 0.00000002 0.001% here
1.A.3.d ii 0.0242 0.0246 0.0004 1.46% here
1.A.4.a ii 0.000014 0.000015 0.000001 6.02% here
1.A.4.b ii 0.00148 0.00155 0.00007 4.60% here
1.A.4.c ii 0.006 0.008 0.002 31.5% here
1.A.4.c iii 0.0006171 0.0006171 0.0000000 0.00% here
1.A.5.b 0.000284458 0.000284459 0.000000001 0.001% here
NFR 2 - IPPU 1.50228 1.50616 0.00388 0.26% sub-category chapters
2.A.3 1.30332 1.30345 0.00013 0.01% here
2.G 0.19876 0.20251 0.00374 1.88% here
NFR 3 - Agriculture NA
NFR 5 - Waste NA
NFR 6 - Other NA