Review Stage 2: Synthesis and Assessment Country report
KEY SOURCE ANALYSIS FOR
CLRTAP
Party: GB Submission year: 2019
Key categories analysis is increasingly important in order to prioritize emission sources and identify where the implementation of improvements is most effective. We have assessed the most important sources (the sources making up 80% of the national total) for your country, based on your latest submission. The key sources for the 2017, 2010 and 2005 emissions, including the corresponding percentages, are listed below. |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2017 | 1A3bi (16.8%) | 1A1a (12.2%) | 1A3bii (11.9%) | 1A3dii (9.9%) | 1A2gviii (7.3%) | 1A1c (6.9%) | 1A3biii (4.9%) | 1A2gvii (3.7%) | 1A4bi (3.7%) | 1A4ai (3.0%) | 80.3% | ||||
NMVOC | 2017 | 2D3a (20.4%) | 2H2 (12.8%) | 2D3d (9.9%) | 1A4bi (5.5%) | 1B2c (4.5%) | 1B2ai (4.2%) | 2D3i (4.1%) | 3B1b (4.0%) | 3B1a (4.0%) | 1B2b (3.0%) | 1B2av (2.8%) | 1B2aiv (2.5%) | 1A2gvii (2.0%) | 3B4gii (2.0%) | 81.6% |
SOx | 2017 | 1A4bi (23.5%) | 1A1a (17.3%) | 1A1b (16.5%) | 1A2gviii (11.4%) | 1A3dii (6.7%) | 1A2a (5.2%) | 80.5% | ||||||||
NH3 | 2017 | 3Da2a (21.7%) | 3Da1 (15.8%) | 3B1a (12.7%) | 3B1b (12.7%) | 3Da3 (6.3%) | 6A (4.7%) | 3B3 (4.7%) | 3Da2c (4.5%) | 83.1% | ||||||
PM2.5 | 2017 | 1A4bi (41.1%) | 1A2gviii (14.6%) | 1A3bvi (5.4%) | 1A2gvii (3.2%) | 1A3bvii (2.8%) | 1A3bi (2.7%) | 2A5b (2.5%) | 2C1 (2.4%) | 1A1a (2.2%) | 1A3dii (2.2%) | 5E (1.8%) | 80.8% | |||
PM10 | 2017 | 1A4bi (26.3%) | 2A5b (15.9%) | 1A2gviii (9.4%) | 1A3bvi (6.0%) | 2A5a (5.8%) | 3Dc (4.7%) | 1A3bvii (3.2%) | 2C1 (2.6%) | 1A2gvii (2.0%) | 1A1a (1.7%) | 1A3bi (1.7%) | 1A3dii (1.4%) | 80.6% | ||
TSP | 2017 | 2A5b (51.0%) | 1A4bi (11.8%) | 2A5a (5.0%) | 1A2gviii (4.2%) | 3Dc (3.9%) | 1A3bvi (3.5%) | 1A3bvii (2.7%) | 82.1% | |||||||
BC | 2017 | 1A2gviii (23.2%) | 1A4bi (20.8%) | 1A2gvii (10.8%) | 1A3bvi (7.7%) | 1A4cii (5.3%) | 1A3bi (4.7%) | 5E (4.1%) | 1A3c (3.8%) | 80.3% | ||||||
CO | 2017 | 1A4bi (27.2%) | 1A2gvii (15.8%) | 1A3bi (13.9%) | 1A2a (6.7%) | 2C1 (5.3%) | 1A2gviii (4.8%) | 1A4bii (4.7%) | 1A1a (2.6%) | 81.0% | ||||||
Pb | 2017 | 1A3bvi (31.9%) | 2C1 (19.4%) | 1A2gviii (10.4%) | 2G (8.6%) | 1A4bi (5.0%) | 2C7c (4.5%) | 2B10a (3.9%) | 83.8% | |||||||
Cd | 2017 | 1A2gviii (30.5%) | 1A4bi (26.2%) | 2C1 (12.2%) | 1A3bi (5.3%) | 2G (4.1%) | 1A3bvi (3.6%) | 81.7% | ||||||||
Hg | 2017 | 1A1a (18.7%) | 5C1bv (15.9%) | 2C1 (12.9%) | 5A (8.7%) | 1A2gviii (8.6%) | 2C7c (6.5%) | 1A4bi (5.2%) | 1A2f (4.4%) | 80.9% | ||||||
As | 2017 | 5C2 (60.1%) | 2C1 (19.7%) | 1A2gviii (4.4%) | 84.1% | |||||||||||
Cr | 2017 | 1A3bvi (30.5%) | 5C2 (23.8%) | 2C1 (9.6%) | 1A4bi (8.8%) | 1A2gviii (6.7%) | 1A1a (5.0%) | 84.4% | ||||||||
Cu | 2017 | 1A3bvi (89.9%) | 89.9% | |||||||||||||
Ni | 2017 | 1A4bi (51.1%) | 1A2gviii (16.1%) | 1A3dii (7.0%) | 2C1 (4.7%) | 1A1b (2.5%) | 81.4% | |||||||||
Se | 2017 | 1A1a (28.6%) | 2C1 (26.0%) | 2A3 (11.8%) | 1A4bi (9.5%) | 1A2f (3.7%) | 1A2gviii (3.4%) | 83.0% | ||||||||
Zn | 2017 | 1A2gviii (31.2%) | 1A3bvi (21.9%) | 2C1 (16.8%) | 1A4bi (9.2%) | 1A3bi (9.2%) | 88.3% | |||||||||
DIOX | 2017 | 1A4bi (35.1%) | 5E (13.0%) | 2C1 (12.8%) | 1A2gviii (11.5%) | 5C2 (8.1%) | 80.5% | |||||||||
PAH | 2017 | 1A4bi (85.5%) | 85.5% | |||||||||||||
HCB | 2017 | 1A1a (65.7%) | 3Df (32.3%) | 97.9% | ||||||||||||
PCB | 2017 | 2K (58.2%) | 2C1 (17.1%) | 5E (12.6%) | 87.9% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2010 | 1A1a (20.0%) | 1A3bi (13.9%) | 1A3biii (12.5%) | 1A3dii (8.7%) | 1A2gviii (5.9%) | 1A3bii (5.2%) | 1A2gvii (5.1%) | 1A1c (4.8%) | 1A4bi (3.3%) | 1A4cii (2.4%) | 81.8% | |||||
NMVOC | 2010 | 2D3a (16.8%) | 2H2 (10.3%) | 2D3d (9.6%) | 1B2ai (4.9%) | 1A4bi (4.8%) | 1A3bi (4.6%) | 1B2b (4.1%) | 2D3i (4.1%) | 3B1b (4.0%) | 1B2av (3.2%) | 3B1a (3.2%) | 1B2c (3.0%) | 1B1a (2.8%) | 2B10a (2.4%) | 1B2aiv (2.4%) | 80.3% |
SOx | 2010 | 1A1a (38.7%) | 1A1b (12.6%) | 1A4bi (9.5%) | 1A2gviii (9.0%) | 1A3dii (6.8%) | 1A2b (5.1%) | 81.6% | |||||||||
NH3 | 2010 | 3Da2a (21.7%) | 3Da1 (15.5%) | 3B1b (14.5%) | 3B1a (12.2%) | 3Da3 (6.6%) | 6A (4.8%) | 3B3 (4.7%) | 80.1% | ||||||||
PM2.5 | 2010 | 1A4bi (37.3%) | 1A2gviii (8.8%) | 1A2gvii (5.1%) | 1A3bi (4.8%) | 1A3bvi (4.4%) | 1A1a (3.6%) | 1A3bii (3.5%) | 1A3dii (3.0%) | 1A4cii (2.4%) | 1A3bvii (2.3%) | 2A5b (2.2%) | 2C1 (2.1%) | 1A3biii (2.1%) | 81.4% | ||
PM10 | 2010 | 1A4bi (24.7%) | 2A5b (14.2%) | 1A2gviii (5.9%) | 2A5a (5.4%) | 1A3bvi (5.1%) | 3Dc (4.3%) | 1A1a (3.6%) | 1A2gvii (3.3%) | 1A3bi (3.1%) | 1A3bvii (2.7%) | 2C1 (2.5%) | 1A3bii (2.3%) | 1A3dii (2.0%) | 1A4cii (1.5%) | 80.6% | |
TSP | 2010 | 2A5b (49.2%) | 1A4bi (11.6%) | 2A5a (4.9%) | 3Dc (3.7%) | 1A3bvi (3.1%) | 1A2gviii (2.7%) | 1A3bvii (2.4%) | 1A1a (2.1%) | 2C1 (2.0%) | 81.6% | ||||||
BC | 2010 | 1A3bi (13.6%) | 1A4bi (13.6%) | 1A2gvii (13.3%) | 1A3bii (12.6%) | 1A2gviii (10.6%) | 1A4cii (6.7%) | 1A3biii (6.2%) | 1A3bvi (4.8%) | 81.4% | |||||||
CO | 2010 | 1A3bi (31.3%) | 1A4bi (20.2%) | 1A2gvii (10.1%) | 1A2a (5.8%) | 1A1a (3.5%) | 1A4bii (3.4%) | 2C1 (3.2%) | 1A2gviii (2.8%) | 80.2% | |||||||
Pb | 2010 | 1A3bvi (28.3%) | 2C1 (21.9%) | 1A2gviii (11.3%) | 2G (9.3%) | 1A4bi (4.5%) | 2B10a (3.7%) | 2I (3.6%) | 82.5% | ||||||||
Cd | 2010 | 1A4bi (20.1%) | 1A2gviii (17.9%) | 2C1 (16.1%) | 2G (6.2%) | 1A3bi (6.0%) | 1A2b (4.9%) | 1A3bvi (3.7%) | 1A1a (3.7%) | 2C7c (3.0%) | 81.8% | ||||||
Hg | 2010 | 1A1a (22.9%) | 5C1bv (13.2%) | 2B10a (12.5%) | 1A2gviii (8.1%) | 2C1 (5.8%) | 5A (5.6%) | 1A1b (4.6%) | 2C7c (3.8%) | 1A2f (3.8%) | 80.1% | ||||||
As | 2010 | 5C2 (53.5%) | 2C1 (21.3%) | 1A2gviii (5.9%) | 80.7% | ||||||||||||
Cr | 2010 | 1A3bvi (30.1%) | 5C2 (24.5%) | 1A4bi (7.3%) | 2C7c (5.6%) | 2C1 (5.6%) | 1A1a (5.4%) | 1A2gviii (4.6%) | 83.1% | ||||||||
Cu | 2010 | 1A3bvi (87.6%) | 87.6% | ||||||||||||||
Ni | 2010 | 1A4bi (28.3%) | 1A2gviii (27.0%) | 1A3dii (15.7%) | 1A1b (4.5%) | 1A2c (3.0%) | 1A4ai (2.2%) | 80.7% | |||||||||
Se | 2010 | 1A1a (39.8%) | 2A3 (29.2%) | 2C1 (6.2%) | 1A4bi (6.0%) | 81.1% | |||||||||||
Zn | 2010 | 1A2gviii (33.3%) | 1A3bvi (20.2%) | 2C1 (16.4%) | 1A3bi (9.3%) | 1A4bi (6.3%) | 85.4% | ||||||||||
DIOX | 2010 | 1A4bi (30.5%) | 2C1 (18.6%) | 5E (12.5%) | 1A2gviii (7.5%) | 5C2 (7.1%) | 1A3bi (4.9%) | 81.1% | |||||||||
PAH | 2010 | 1A4bi (85.2%) | 85.2% | ||||||||||||||
HCB | 2010 | 3Df (67.5%) | 1A1a (30.5%) | 97.9% | |||||||||||||
PCB | 2010 | 2K (59.7%) | 2C1 (17.5%) | 5E (9.9%) | 87.0% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2005 | 1A1a (21.8%) | 1A3bi (16.9%) | 1A3biii (12.9%) | 1A3dii (7.7%) | 1A2gvii (5.5%) | 1A2gviii (5.1%) | 1A3bii (4.3%) | 1A1c (4.2%) | 1A4cii (3.1%) | 81.4% | |||||||
NMVOC | 2005 | 2D3a (12.0%) | 1A3bi (11.2%) | 2D3d (10.8%) | 2H2 (7.3%) | 1B2ai (7.0%) | 1B2av (4.3%) | 1B2b (3.9%) | 1A3bv (3.7%) | 2D3i (3.6%) | 2B10a (3.3%) | 3B1b (3.2%) | 1B2aiv (2.8%) | 1B1a (2.7%) | 1A4bi (2.4%) | 3B1a (2.3%) | 80.2% | |
SOx | 2005 | 1A1a (50.2%) | 1A1b (9.7%) | 1A3dii (9.2%) | 1A4bi (5.4%) | 1A2gviii (4.7%) | 1A2b (4.0%) | 83.2% | ||||||||||
NH3 | 2005 | 3Da2a (22.2%) | 3B1b (14.6%) | 3Da1 (13.8%) | 3B1a (10.7%) | 3Da3 (6.8%) | 1A3bi (6.0%) | 3B3 (5.6%) | 6A (4.1%) | 83.7% | ||||||||
PM2.5 | 2005 | 1A4bi (22.6%) | 1A2gvii (7.5%) | 1A3dii (7.3%) | 1A2gviii (6.0%) | 1A3bi (5.2%) | 1A3bii (4.9%) | 1A1a (4.7%) | 1A4cii (4.6%) | 1A3bvi (4.4%) | 1A3biii (3.7%) | 2C1 (2.5%) | 2A5b (2.5%) | 1A3bvii (2.3%) | 5E (2.1%) | 80.2% | ||
PM10 | 2005 | 2A5b (15.3%) | 1A4bi (14.3%) | 2A5a (6.7%) | 1A3bvi (4.9%) | 1A1a (4.8%) | 1A3dii (4.7%) | 1A2gvii (4.6%) | 1A2gviii (3.8%) | 3Dc (3.8%) | 1A3bi (3.2%) | 1A3bii (3.0%) | 1A4cii (2.8%) | 2C1 (2.8%) | 1A3bvii (2.6%) | 1A3biii (2.3%) | 2G (1.5%) | 81.4% |
TSP | 2005 | 2A5b (46.9%) | 1A4bi (7.1%) | 2A5a (6.4%) | 3Dc (3.4%) | 1A3bvi (3.1%) | 1A1a (3.0%) | 1A3bvii (2.4%) | 2C1 (2.3%) | 1A3dii (2.2%) | 1A2gvii (2.2%) | 1A2gviii (1.8%) | 80.7% | |||||
BC | 2005 | 1A2gvii (16.5%) | 1A3bii (13.8%) | 1A3bi (13.0%) | 1A4cii (10.8%) | 1A3biii (8.9%) | 1A2gviii (7.4%) | 1A4bi (6.7%) | 1A3dii (4.8%) | 81.8% | ||||||||
CO | 2005 | 1A3bi (48.9%) | 1A4bi (10.3%) | 1A2a (7.3%) | 1A2gvii (6.9%) | 1A3bii (3.2%) | 1A3biv (2.7%) | 2C1 (2.7%) | 81.9% | |||||||||
Pb | 2005 | 2C1 (27.0%) | 1A3bvi (19.2%) | 2G (10.0%) | 2B10a (8.9%) | 1A2gviii (7.7%) | 1A1a (6.6%) | 2C7c (4.8%) | 84.2% | |||||||||
Cd | 2005 | 2C1 (21.5%) | 1A1a (19.8%) | 1A2gviii (12.1%) | 1A4bi (10.1%) | 2G (5.7%) | 1A3bi (5.7%) | 2C7c (3.3%) | 1A3bvi (3.2%) | 81.5% | ||||||||
Hg | 2005 | 1A1a (30.9%) | 2B10a (15.2%) | 5C1bv (12.2%) | 2C7c (7.0%) | 2C1 (6.4%) | 5A (5.0%) | 1A2gviii (4.0%) | 80.5% | |||||||||
As | 2005 | 5C2 (47.1%) | 2C1 (27.0%) | 1A2gviii (5.0%) | 1A3dii (3.1%) | 82.2% | ||||||||||||
Cr | 2005 | 1A3bvi (21.7%) | 2B10a (18.8%) | 5C2 (17.2%) | 1A1a (8.8%) | 2C1 (7.3%) | 2C7c (6.8%) | 80.7% | ||||||||||
Cu | 2005 | 1A3bvi (84.6%) | 84.6% | |||||||||||||||
Ni | 2005 | 1A4bi (24.9%) | 1A2gviii (24.9%) | 1A3dii (17.4%) | 1A1b (5.8%) | 1A1a (3.7%) | 2C3 (2.5%) | 2C1 (2.4%) | 81.7% | |||||||||
Se | 2005 | 1A1a (46.6%) | 2A3 (33.3%) | 2C1 (5.7%) | 85.7% | |||||||||||||
Zn | 2005 | 1A2gviii (31.5%) | 2C1 (21.1%) | 1A3bvi (18.6%) | 1A3bi (9.4%) | 80.7% | ||||||||||||
DIOX | 2005 | 1A4bi (20.7%) | 5E (19.2%) | 5C2 (16.2%) | 2C1 (13.8%) | 1A3bi (4.9%) | 5C1bv (4.2%) | 1A1a (3.6%) | 82.7% | |||||||||
PAH | 2005 | 1A4bi (61.8%) | 5C2 (16.8%) | 5E (6.3%) | 84.9% | |||||||||||||
HCB | 2005 | 3Df (55.1%) | 2B10a (33.4%) | 88.5% | ||||||||||||||
PCB | 2005 | 2K (59.4%) | 2C1 (15.2%) | 5E (10.2%) | 84.8% |