Review Stage 2: Synthesis and Assessment Country report
KEY SOURCE ANALYSIS FOR
CLRTAP
Party: GB Submission year: 2017
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 2015, 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 | 2015 | 1A1a (20.5%) | 1A3bi (16.1%) | 1A3bii (10.1%) | 1A3biii (7.6%) | 1A2gviii (7.1%) | 1A1c (6.4%) | 1A3dii (4.2%) | 1A3c (3.8%) | 1A4bi (3.8%) | 1A2gvii (3.7%) | 83.4% | ||||||
NMVOC | 2015 | 2D3a (18.0%) | 2D3d (13.2%) | 2H2 (11.5%) | 2D3i (6.2%) | 3B1b (5.8%) | 1A4bi (5.2%) | 1B2ai (4.4%) | 3B1a (3.8%) | 1B2c (3.5%) | 1B2b (3.1%) | 1B2av (2.7%) | 1B2aiv (2.5%) | 2D3h (1.9%) | 81.8% | |||
SOx | 2015 | 1A1a (38.1%) | 1A4bi (15.5%) | 1A1b (13.3%) | 1A2gviii (10.9%) | 1A2a (5.0%) | 82.6% | |||||||||||
NH3 | 2015 | 3Da2a (20.7%) | 3Da1 (15.1%) | 3B1a (14.9%) | 3B1b (10.2%) | 3Da3 (8.6%) | 6A (6.5%) | 3B3 (4.5%) | 80.5% | |||||||||
PM2.5 | 2015 | 1A4bi (41.6%) | 1A2gviii (12.3%) | 1A3bvi (5.0%) | 2C1 (3.4%) | 1A3bi (2.9%) | 1A1a (2.8%) | 1A2gvii (2.7%) | 1A3bvii (2.6%) | 1A3dii (2.0%) | 6A (1.9%) | 2D3d (1.8%) | 1A3bii (1.8%) | 80.6% | ||||
PM10 | 2015 | 1A4bi (30.6%) | 1A2gviii (9.1%) | 1A3bvi (6.4%) | 2C1 (4.2%) | 2A5a (4.1%) | 1A3bvii (3.4%) | 2A5b (3.4%) | 1A1a (3.3%) | 3Dc (3.2%) | 2D3d (3.0%) | 1A3bi (2.2%) | 1A2gvii (2.1%) | 1A3dii (1.5%) | 6A (1.5%) | 3B4gii (1.5%) | 3B1a (1.5%) | 80.9% |
TSP | 2015 | 1A4bi (22.8%) | 2A5b (8.0%) | 1A2gviii (6.7%) | 1A3bvi (6.1%) | 2A5a (5.9%) | 2C1 (5.2%) | 1A3bvii (4.8%) | 3B4gi (4.6%) | 3Dc (4.5%) | 1A1a (3.1%) | 3B1a (2.2%) | 2D3d (2.2%) | 3B4gii (2.1%) | 1A2gvii (1.8%) | 3B1b (1.6%) | 81.6% | |
BC | 2015 | 1A4bi (22.2%) | 1A2gviii (18.2%) | 1A2gvii (9.8%) | 1A3bi (6.8%) | 1A3bii (5.6%) | 1A4cii (4.6%) | 6A (4.4%) | 1A3c (4.2%) | 1A3dii (3.5%) | 5C2 (3.3%) | 82.4% | ||||||
CO | 2015 | 1A4bi (24.4%) | 1A3bi (15.4%) | 1A2gvii (13.0%) | 1A2a (10.6%) | 2C1 (4.8%) | 1A2gviii (4.6%) | 1A4bii (4.4%) | 1A1a (3.6%) | 81.0% | ||||||||
Pb | 2015 | 2C1 (41.1%) | 1A2gviii (13.8%) | 1A4bi (7.1%) | 2B10a (5.7%) | 1A1a (4.9%) | 2I (4.7%) | 2C7c (4.6%) | 81.9% | |||||||||
Cd | 2015 | 1A4bi (28.3%) | 1A2gviii (25.1%) | 2C1 (17.8%) | 1A3bi (6.1%) | 1A1a (4.3%) | 81.8% | |||||||||||
Hg | 2015 | 1A1a (25.2%) | 1A2gviii (12.6%) | 5C1bv (12.5%) | 2C1 (10.0%) | 5A (7.4%) | 2B10a (6.3%) | 2C7c (4.2%) | 1A4bi (4.1%) | 82.3% | ||||||||
As | 2015 | 5C2 (54.9%) | 2C1 (26.9%) | 81.9% | ||||||||||||||
Cr | 2015 | 5C2 (31.2%) | 2B10a (11.3%) | 1A4bi (10.9%) | 2C1 (10.0%) | 1A1a (7.0%) | 1A2gviii (6.5%) | 2C7c (4.7%) | 81.8% | |||||||||
Cu | 2015 | 1A3bvi (46.0%) | 2C1 (10.3%) | 5C2 (9.3%) | 2C7c (5.5%) | 2G (5.2%) | 1A2gviii (4.0%) | 80.5% | ||||||||||
Ni | 2015 | 1A4bi (54.1%) | 1A2gviii (12.9%) | 2C1 (3.8%) | 1A1a (3.4%) | 1A3dii (3.2%) | 1A4ai (3.2%) | 80.6% | ||||||||||
Se | 2015 | 1A1a (59.1%) | 2C1 (10.1%) | 2A3 (9.2%) | 1A4bi (7.0%) | 85.4% | ||||||||||||
Zn | 2015 | 1A2gviii (26.7%) | 2C1 (24.0%) | 1A3bvi (19.8%) | 1A3bi (9.4%) | 1A4bi (8.8%) | 88.7% | |||||||||||
DIOX | 2015 | 1A4bi (27.7%) | 1A2gviii (13.7%) | 2C1 (12.2%) | 6A (11.3%) | 1A4ci (9.1%) | 5C2 (6.9%) | 80.8% | ||||||||||
PAH | 2015 | 1A4bi (86.6%) | 86.6% | |||||||||||||||
HCB | 2015 | 1A1a (64.2%) | 3Df (33.3%) | 97.5% | ||||||||||||||
PCB | 2015 | 2K (55.0%) | 2C1 (20.3%) | 6A (10.9%) | 86.2% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2010 | 1A1a (21.8%) | 1A3bi (14.5%) | 1A3biii (13.0%) | 1A2gviii (6.5%) | 1A2gvii (5.5%) | 1A3bii (5.5%) | 1A1c (5.2%) | 1A4bi (4.0%) | 1A3dii (3.4%) | 1A3c (3.3%) | 82.7% | |||||||
NMVOC | 2010 | 2D3a (14.9%) | 2D3d (13.0%) | 2H2 (9.4%) | 2D3i (5.8%) | 3B1b (5.5%) | 1B2ai (4.8%) | 1A4bi (4.7%) | 1A3bi (4.3%) | 1B2b (4.0%) | 3B1a (3.4%) | 1B2av (3.0%) | 1B2c (2.9%) | 1B1a (2.8%) | 2B10a (2.4%) | 80.9% | |||
SOx | 2010 | 1A1a (40.9%) | 1A1b (13.4%) | 1A4bi (10.0%) | 1A2gviii (9.4%) | 1A2b (5.4%) | 1A2a (3.5%) | 82.6% | |||||||||||
NH3 | 2010 | 3Da2a (20.4%) | 3B1a (14.4%) | 3Da1 (14.2%) | 3B1b (11.2%) | 3Da3 (8.8%) | 6A (6.7%) | 3B3 (4.5%) | 80.2% | ||||||||||
PM2.5 | 2010 | 1A4bi (39.5%) | 1A2gviii (8.4%) | 1A2gvii (4.7%) | 1A3bi (4.5%) | 1A3bvi (4.4%) | 1A1a (3.5%) | 1A3bii (3.4%) | 1A4cii (2.4%) | 1A3bvii (2.3%) | 2C1 (2.1%) | 1A3biii (1.9%) | 6A (1.9%) | 1A3dii (1.8%) | 80.8% | ||||
PM10 | 2010 | 1A4bi (29.6%) | 1A2gviii (6.4%) | 1A3bvi (5.8%) | 1A1a (4.2%) | 2A5a (3.9%) | 1A2gvii (3.6%) | 2A5b (3.6%) | 1A3bi (3.5%) | 1A3bvii (3.1%) | 3Dc (3.0%) | 2C1 (2.7%) | 1A3bii (2.6%) | 2D3d (2.5%) | 1A4cii (1.8%) | 6A (1.5%) | 1A3biii (1.5%) | 1A3dii (1.4%) | 80.7% |
TSP | 2010 | 1A4bi (22.3%) | 2A5b (8.6%) | 2A5a (5.7%) | 1A3bvi (5.6%) | 1A2gviii (4.7%) | 1A3bvii (4.4%) | 3Dc (4.2%) | 3B4gi (4.1%) | 1A1a (4.0%) | 2C1 (3.4%) | 1A2gvii (3.3%) | 1A3bi (2.5%) | 3B1a (2.1%) | 3B4gii (1.9%) | 2D3d (1.9%) | 1A3bii (1.9%) | 80.7% | |
BC | 2010 | 1A4bi (15.2%) | 1A3bi (13.7%) | 1A2gvii (13.0%) | 1A3bii (12.7%) | 1A2gviii (10.7%) | 1A3biii (6.2%) | 1A4cii (6.1%) | 6A (3.3%) | 80.9% | |||||||||
CO | 2010 | 1A3bi (29.8%) | 1A4bi (20.9%) | 1A2gvii (10.4%) | 1A2a (6.0%) | 1A1a (3.6%) | 1A4bii (3.5%) | 2C1 (3.3%) | 1A2gviii (2.9%) | 80.4% | |||||||||
Pb | 2010 | 2C1 (35.1%) | 1A2gviii (18.3%) | 1A4bi (7.2%) | 2I (5.8%) | 2B10a (5.8%) | 2C7c (5.1%) | 1A1a (4.9%) | 82.3% | ||||||||||
Cd | 2010 | 1A4bi (22.5%) | 1A2gviii (19.3%) | 2C1 (17.9%) | 1A3bi (6.7%) | 1A2b (5.5%) | 1A1a (3.3%) | 2C7c (3.2%) | 2I (2.0%) | 80.3% | |||||||||
Hg | 2010 | 1A1a (22.8%) | 5C1bv (13.2%) | 2B10a (12.6%) | 1A2gviii (8.1%) | 2C1 (5.8%) | 5A (5.6%) | 1A1b (5.0%) | 1A2f (3.8%) | 2C7c (3.5%) | 80.5% | ||||||||
As | 2010 | 5C2 (56.4%) | 2C1 (22.4%) | 1A2gviii (6.2%) | 85.0% | ||||||||||||||
Cr | 2010 | 5C2 (30.0%) | 2B10a (16.7%) | 1A4bi (9.0%) | 2C1 (6.8%) | 1A1a (6.5%) | 1A2gviii (5.5%) | 1B1b (5.0%) | 2C7c (5.0%) | 84.5% | |||||||||
Cu | 2010 | 1A3bvi (43.9%) | 5C2 (9.1%) | 2C1 (8.3%) | 2G (7.2%) | 1A2gviii (5.5%) | 2B10a (3.7%) | 1A1a (3.6%) | 81.3% | ||||||||||
Ni | 2010 | 1A4bi (33.6%) | 1A2gviii (31.3%) | 1A1b (5.4%) | 1A2c (3.6%) | 1A3dii (2.7%) | 1A4ai (2.6%) | 2C1 (2.5%) | 81.7% | ||||||||||
Se | 2010 | 1A1a (40.4%) | 2A3 (29.8%) | 2C1 (6.3%) | 1A4bi (6.1%) | 82.6% | |||||||||||||
Zn | 2010 | 1A2gviii (34.9%) | 1A3bvi (18.8%) | 2C1 (17.0%) | 1A3bi (9.6%) | 80.4% | |||||||||||||
DIOX | 2010 | 1A4bi (27.4%) | 2C1 (17.9%) | 6A (12.0%) | 1A4ci (7.2%) | 5C2 (6.8%) | 1A2gviii (6.0%) | 5C1bv (4.6%) | 81.7% | ||||||||||
PAH | 2010 | 1A4bi (86.2%) | 86.2% | ||||||||||||||||
HCB | 2010 | 3Df (70.2%) | 1A1a (28.0%) | 98.2% | |||||||||||||||
PCB | 2010 | 2K (58.8%) | 2C1 (18.5%) | 6A (9.6%) | 86.9% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2005 | 1A1a (24.1%) | 1A3bi (16.9%) | 1A3biii (13.4%) | 1A2gvii (6.1%) | 1A2gviii (5.6%) | 1A1c (4.6%) | 1A3bii (4.5%) | 1A4cii (3.4%) | 1A3dii (2.8%) | 81.4% | |||||||||
NMVOC | 2005 | 2D3d (13.7%) | 2D3a (10.8%) | 1A3bi (10.1%) | 1B2ai (7.0%) | 2H2 (6.6%) | 2D3i (4.6%) | 3B1b (4.3%) | 1B2av (4.1%) | 1B2b (3.9%) | 2B10a (3.3%) | 1A3bv (2.9%) | 1B2aiv (2.8%) | 1B1a (2.7%) | 3B1a (2.6%) | 1A4bi (2.4%) | 81.7% | |||
SOx | 2005 | 1A1a (54.5%) | 1A1b (10.2%) | 1A4bi (5.8%) | 1A2gviii (5.0%) | 1A2b (4.4%) | 1A3dii (3.1%) | 82.9% | ||||||||||||
NH3 | 2005 | 3Da2a (21.3%) | 3B1a (14.2%) | 3Da1 (12.8%) | 3B1b (10.8%) | 3Da3 (8.6%) | 6A (5.8%) | 3B3 (5.4%) | 1A3bi (5.0%) | 83.9% | ||||||||||
PM2.5 | 2005 | 1A4bi (25.1%) | 1A2gvii (7.8%) | 1A2gviii (6.3%) | 1A3bi (5.2%) | 1A4cii (4.8%) | 1A3bii (4.8%) | 1A1a (4.7%) | 1A3bvi (4.5%) | 1A3biii (3.7%) | 1A3dii (2.8%) | 6A (2.4%) | 2C1 (2.4%) | 1A3bvii (2.3%) | 2D3d (1.9%) | 2A6 (1.7%) | 80.5% | |||
PM10 | 2005 | 1A4bi (17.6%) | 2A5b (6.1%) | 1A1a (5.9%) | 1A2gvii (5.7%) | 1A3bvi (5.6%) | 2A5a (5.0%) | 1A2gviii (4.4%) | 1A3bi (3.7%) | 1A4cii (3.5%) | 1A3bii (3.5%) | 2D3d (3.1%) | 1A3bvii (3.0%) | 3Dc (2.7%) | 1A3biii (2.7%) | 2C1 (2.4%) | 1A3dii (2.0%) | 2A6 (1.8%) | 6A (1.8%) | 80.3% |
TSP | 2005 | 2A5b (13.9%) | 1A4bi (12.6%) | 2A5a (6.9%) | 1A1a (5.5%) | 1A3bvi (5.1%) | 1A2gvii (4.9%) | 1A3bvii (4.0%) | 3B4gi (3.8%) | 3Dc (3.6%) | 1A2gviii (3.1%) | 1A4cii (3.0%) | 2C1 (2.7%) | 1A3bi (2.5%) | 1A3bii (2.4%) | 2D3d (2.2%) | 3B1a (1.9%) | 3B4gii (1.8%) | 1A3biii (1.8%) | 81.8% |
BC | 2005 | 1A2gvii (17.7%) | 1A3bii (14.2%) | 1A3bi (13.4%) | 1A4cii (10.1%) | 1A3biii (9.1%) | 1A2gviii (8.1%) | 1A4bi (7.7%) | 80.2% | |||||||||||
CO | 2005 | 1A3bi (46.0%) | 1A4bi (10.3%) | 1A2a (7.9%) | 1A2gvii (7.5%) | 1A3bii (3.2%) | 2C1 (2.9%) | 1A3biv (2.6%) | 80.5% | |||||||||||
Pb | 2005 | 2C1 (38.2%) | 2B10a (12.5%) | 1A2gviii (11.0%) | 1A1a (9.4%) | 2C7c (6.1%) | 1A4bi (3.5%) | 80.8% | ||||||||||||
Cd | 2005 | 2C1 (22.7%) | 1A1a (21.1%) | 1A2gviii (13.0%) | 1A4bi (10.7%) | 1A3bi (6.0%) | 2C7c (3.2%) | 2C3 (2.7%) | 1A3dii (2.7%) | 82.0% | ||||||||||
Hg | 2005 | 1A1a (31.4%) | 2B10a (15.4%) | 5C1bv (12.3%) | 2C7c (6.5%) | 2C1 (6.5%) | 5A (5.0%) | 1A2gviii (4.0%) | 81.1% | |||||||||||
As | 2005 | 5C2 (49.6%) | 2C1 (28.5%) | 1A2gviii (5.2%) | 83.3% | |||||||||||||||
Cr | 2005 | 2B10a (24.5%) | 5C2 (22.3%) | 1A1a (11.4%) | 2C1 (9.5%) | 2C7c (7.1%) | 1A4bi (5.2%) | 80.0% | ||||||||||||
Cu | 2005 | 1A3bvi (37.4%) | 2C1 (10.6%) | 2G (9.8%) | 5C2 (7.5%) | 2B10a (5.3%) | 1A1a (5.1%) | 1A2gviii (4.9%) | 80.7% | |||||||||||
Ni | 2005 | 1A4bi (28.7%) | 1A2gviii (28.6%) | 1A3dii (6.9%) | 1A1b (6.9%) | 1A1a (4.2%) | 2C3 (2.9%) | 2C1 (2.8%) | 81.1% | |||||||||||
Se | 2005 | 1A1a (47.1%) | 2A3 (33.8%) | 80.9% | ||||||||||||||||
Zn | 2005 | 1A2gviii (33.1%) | 2C1 (21.8%) | 1A3bvi (17.2%) | 1A3bi (9.7%) | 81.8% | ||||||||||||||
DIOX | 2005 | 1A4bi (18.9%) | 6A (18.8%) | 5C2 (15.9%) | 2C1 (13.5%) | 1A3bi (4.5%) | 5C1bv (4.1%) | 1A1a (3.4%) | 1A2gviii (3.4%) | 82.4% | ||||||||||
PAH | 2005 | 1A4bi (64.1%) | 5C2 (15.1%) | 6A (5.9%) | 85.1% | |||||||||||||||
HCB | 2005 | 3Df (57.3%) | 2B10a (32.6%) | 89.9% | ||||||||||||||||
PCB | 2005 | 2K (57.3%) | 2C1 (16.0%) | 6A (9.6%) | 82.9% |