Recalculations - Selenium
Last updated on 28 Feb 2020 09:52 (cf. Authors)
Revision of Selenium emissions over time
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The fundamental changes in the National Total reported for 1990 (-1.39 t | -19.69 %) result almost entirely from revised estimates in NFR 1.A.3.b vi (-1.39 t | -85.43 %).
In addition, far less significant changes occur throughout NFR 1.A.3.b.
Table 1: Changes in emission estimates for 1990
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| Submission 2019 | Submission 2020 | Difference | Reasoning | ||
| NFR Sector | [t] | relative | see description and reasoning in: | ||
| NATIONAL TOTAL | 7.05 | 5.66 | -1.39 | -19.69% | sub-category chapters |
|---|---|---|---|---|---|
| NFR 1 - Energy | 3.48 | 2.09 | -1.39 | -39.94% | sub-category chapters |
| 1.A.3.b i | 0.006454 | 0.006453 | -0.000001 | -0.02% | here |
| 1.A.3.b ii | 0.0002 | 0.0002 | 0.0001 | 46.88% | here |
| 1.A.3.b iii | 0.0011 | 0.0010 | -0.0001 | -8.30% | here |
| 1.A.3.b iv | 0.00010 | 0.00011 | 0.00001 | 5.06% | here |
| 1.A.3.b vi | 1.62 | 0.24 | -1.39 | -85.43% | here |
| NFR 2 - IPPU | 3.57 | 3.57 | 0.00 | 0.00% | |
| NFR 3 - Agriculture | NA, NO | ||||
| NFR 5 - Waste | NA, NE, NO | ||||
| NFR 6 - Other | NO | ||||
The fundamental changes in the National Total reported for 2017 (-1.95 t | -20.68 %) result mainly from newly reported emissions in NFR 1.A.3.b vi (-2.06 t | -85.78 %).
A variety of far less significant changes occur throughout NFR 1.
Table 1: Changes in emission estimates for 2017
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| Submission 2019 | Submission 2020 | Difference | Reasoning | ||
| NFR Sector | [t] | relative | see description and reasoning in: | ||
| NATIONAL TOTAL | 9.42 | 7.47 | -1.95 | -20.68% | sub-category chapters |
|---|---|---|---|---|---|
| NFR 1 - Energy | 3.60 | 1.66 | -1.95 | -54.06% | sub-category chapters |
| 1.A.1.a | 0.1160 | 0.1165 | 0.0005 | 0.41% | here |
| 1.A.1.b | 1.01 | 1.12 | 0.11 | 11.04% | here |
| 1.A.2.g vii | 0.000124 | 0.000122 | -0.000002 | -1.56% | here |
| 1.A.2.g viii | 0.020 | 0.019 | -0.001 | -4.73% | here |
| 1.A.3.b i | 0.00488 | 0.00490 | 0.00002 | 0.44% | here |
| 1.A.3.b ii | 0.0003 | 0.0004 | 0.0001 | 46.98% | here |
| 1.A.3.b iii | 0.0017 | 0.0016 | -0.0001 | -7.72% | here |
| 1.A.3.b iv | 0.000090 | 0.000088 | -0.000002 | -1.77% | here |
| 1.A.3.b vi | 2.40 | 0.34 | -2.06 | -85.78% | here |
| 1.A.3.c | 0.0032 | 0.0026 | -0.0005 | -17.14% | here |
| 1.A.3.d ii | 0.0373 | 0.0371 | -0.0002 | -0.53% | here |
| 1.A.4.a ii | 0.0000180 | 0.0000181 | 0.0000001 | 0.59% | here |
| 1.A.4.b ii | 0.002216 | 0.002215 | -0.000001 | -0.04% | here |
| 1.A.4.c ii | 0.0043 | 0.0037 | -0.0006 | -13.24% | here |
| 1.A.5.b | 0.0011526 | 0.0011521 | -0.0000005 | -0.04% | here |
| NFR 2 - IPPU | 5.81 | 5.81 | 0.00 | 0.00% | |
| NFR 3 - Agriculture | NA, NO | ||||
| NFR 5 - Waste | NA, NE, NO | ||||
| NFR 6 - Other | NA | ||||
