Recalculations - Benzo(a)pyrene

Last updated on 28 Feb 2020 09:59 (cf. Authors)

toxic
dangerous_to_the_environment

Revision of B[a]P emissions over time:

The marginal changes in the National Total reported for 1990 (+0.01 t | +0.01 %) result from revisions throughout sub-categories of NFR 1.A.3.b.

Table 1: Changes in emission estimates for 1990

BaP_1990.png
Reasoning
Submission 2019 Submission 2020 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 139.26 139.27 0.01 0.01% sub-category chapters
NFR 1 - Energy 136.67 136.68 0.01 0.01% sub-category chapters
1.A.3.b i 0.28 0.29 0.01 2.43% 1.A.3.b i - Road Transport: Passenger Cars
1.A.3.b ii 0.01 0.02 0.01 69.60% 1.A.3.b ii - Road Transport: Light duty vehicles
1.A.3.b iii 0.056 0.052 -0.004 -7.19% 1.A.3.b iii - Road Transport: Heavy duty vehicles
1.A.3.b iv 0.0043 0.0045 0.0002 4.91% 1.A.3.b iv - Road Transport: Mopeds & Motorcycles
1.A.3.b vi 0.0221 0.0222 0.0001 0.28% 1.A.3.b vi - Road Transport: Tyre and Brake Wear
NFR 2 - IPPU 2.03 2.03 0.00 0.00%
NFR 3 - Agriculture NA, NO
NFR 5 - Waste 0.56 0.56 0.00 0.00%
NFR 6 - Other NA

The small changes in the National Total reported for 2017 (+0.25 t | +0.87 %) are dominated by revised estimates for NFRs 1.A.4.a i (+ 1.67 t), 1.A.4.b i (-1.13 t) and 1.A.4.c i (-0.29 t).
In addition, a variety of much smaller revisions takes place throughout sub-categories of NFR 1.

Table 2: Changes in emission estimates for 2017

BaP_recent.png
Reasoning
Submission 2019 Submission 2020 Difference Reasoning
NFR Sector [t] relative see description and reasoning in:
NATIONAL TOTAL 28.81 29.06 0.25 0.87% sub-category chapters
NFR 1 - Energy 28.27 28.52 0.25 0.88% sub-category chapters
1.A.1.a 0.054 0.053 -0.001 -2.26% here
1.A.1.b 0.00372 0.00371 -0.00001 -0.28% here
1.A.1.c 0.00107 0.00106 -0.00001 -0.53% here
1.A.2.a 0.000126 0.000125 -0.000002 -1.28% here
1.A.2.g vii 0.0353 0.0350 -0.0003 -0.92% here
1.A.2.g viii 0.025 0.023 -0.002 -9.07% here
1.A.3.b i 0.429 0.431 0.002 0.46% here
1.A.3.b ii 0.04 0.06 0.02 48.41% here
1.A.3.b iii 0.09 0.08 -0.01 -6.70% here
1.A.3.b iv 0.0038 0.0037 -0.0001 -1.91% here
1.A.3.b vi 0.0321 0.0322 0.0001 0.38% here
1.A.3.c 0.010 0.008 -0.002 -17.14% here
1.A.3.d ii 0.017 0.016 -0.001 -3.63% here
1.A.4.a i 1.38 3.05 1.67 121% here
1.A.4.a ii 0.00543 0.00546 0.00003 0.58% here
1.A.4.b i 25.47 24.34 -1.13 -4.45% here
1.A.4.b ii 0.004049 0.004048 -0.000002 -0.04% here
1.A.4.c i 0.56 0.26 -0.29 -52.44% here
1.A.4.c ii 0.044610 0.044613 0.000003 0.01% here
1.A.4.c iii 0.0008502 0.0008499 -0.0000002 -0.03% here
1.A.5.a 0.024 0.019 -0.004 -18.55% here
1.A.5.b 0.0032 0.0031 -0.0001 -3.15% here
NFR 2 - IPPU 0.09 0.09 0.00 0.00%
NFR 3 - Agriculture NA, NO
NFR 5 - Waste 0.44 0.44 0.00 0.0%
NFR 6 - Other NA
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