Review Stage 2: Synthesis and Assessment Country report
KEY SOURCE ANALYSIS
Party: BG Submission year: 2022
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 2020, 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 | 2020 | 1A3bi (17.6%) | 3Da1 (15.9%) | 1A3biii (14.0%) | 1A1a (13.2%) | 1A3bii (7.5%) | 1A3di(ii) (7.2%) | 1A4cii (4.2%) | 1A4bi (2.8%) | 82.5% | |||
| NMVOC | 2020 | 1A4bi (28.4%) | 2D3a (11.4%) | 2H2 (7.6%) | 1B1a (6.1%) | 3B1a (5.3%) | 1A3bi (5.2%) | 3B1b (4.4%) | 3De (4.3%) | 2D3d (4.0%) | 2G (2.2%) | 1A3bv (2.1%) | 81.2% |
| SOx | 2020 | 1A1a (38.6%) | 2B10a (35.2%) | 1A4bi (5.9%) | 2C7a (5.0%) | 84.8% | |||||||
| NH3 | 2020 | 3Da1 (33.9%) | 3Da2a (23.3%) | 3Da3 (7.4%) | 1A4bi (5.4%) | 3B1b (5.1%) | 3B1a (4.4%) | 3B3 (4.2%) | 83.7% | ||||
| PM2.5 | 2020 | 1A4bi (79.2%) | 2D3b (4.1%) | 83.4% | |||||||||
| PM10 | 2020 | 1A4bi (57.7%) | 2D3b (12.5%) | 3Dc (11.8%) | 82.0% | ||||||||
| TSP | 2020 | 1A4bi (39.1%) | 2D3b (34.8%) | 3Dc (7.5%) | 81.4% | ||||||||
| BC | 2020 | 2D3c (44.4%) | 1A4bi (36.8%) | 81.2% | |||||||||
| CO | 2020 | 1A4bi (60.5%) | 1A3bi (13.9%) | 1A3ai(i) (8.4%) | 82.8% | ||||||||
| Pb | 2020 | 1A1a (22.1%) | 2A3 (21.1%) | 1A4bi (14.8%) | 2C1 (12.8%) | 1A3bvi (11.0%) | 81.8% | ||||||
| Cd | 2020 | 1A4bi (31.6%) | 1A1a (19.5%) | 2C7a (18.3%) | 2A3 (7.9%) | 2C1 (7.2%) | 84.6% | ||||||
| Hg | 2020 | 1A1a (64.7%) | 1A4bi (6.7%) | 2C6 (5.7%) | 5C1biii (5.2%) | 82.2% | |||||||
| As | 2020 | 1A1a (80.4%) | 80.4% | ||||||||||
| Cr | 2020 | 1A1a (36.0%) | 1A4bi (21.6%) | 1A3bvi (11.0%) | 2C7a (9.1%) | 2A3 (7.6%) | 85.3% | ||||||
| Cu | 2020 | 1A3bvi (53.7%) | 2D3i (30.0%) | 83.7% | |||||||||
| Ni | 2020 | 1A1a (41.6%) | 1A3di(ii) (14.8%) | 2A3 (12.3%) | 2C7a (8.2%) | 2D3i (5.5%) | 82.4% | ||||||
| Se | 2020 | 1A1a (82.1%) | 82.1% | ||||||||||
| Zn | 2020 | 1A4bi (54.7%) | 1A3bvi (11.1%) | 2D3i (8.9%) | 1A2a (7.1%) | 81.8% | |||||||
| DIOX | 2020 | 1A4bi (58.8%) | 2C7a (9.6%) | 5E (7.2%) | 1A1a (4.9%) | 80.4% | |||||||
| PAH | 2020 | 1A4bi (98.0%) | 98.0% | ||||||||||
| HCB | 2020 | 1A4bi (62.7%) | 2C3 (25.4%) | 88.1% | |||||||||
| PCB | 2020 | 2C1 (53.8%) | 1A4bi (29.5%) | 83.2% | |||||||||
| Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOx | 2010 | 1A1a (42.6%) | 1A3bi (14.0%) | 1A3biii (13.0%) | 3Da1 (5.7%) | 1A3di(ii) (5.4%) | 80.7% | |||||||
| NMVOC | 2010 | 1A4bi (22.8%) | 1A3bi (10.8%) | 2D3a (10.0%) | 1B1a (8.8%) | 2H2 (5.7%) | 3B1a (5.6%) | 2D3d (4.6%) | 3De (3.7%) | 1B2av (2.6%) | 1A3bv (2.5%) | 2G (2.3%) | 3B1b (2.2%) | 81.6% |
| SOx | 2010 | 1A1a (86.7%) | 86.7% | |||||||||||
| NH3 | 2010 | 3Da2a (22.6%) | 3Da1 (21.6%) | 3Da3 (8.2%) | 5D1 (7.0%) | 3B1a (6.6%) | 3B3 (6.4%) | 1A4bi (5.3%) | 2B7 (5.1%) | 82.7% | ||||
| PM2.5 | 2010 | 1A4bi (66.6%) | 1A1a (15.5%) | 82.1% | ||||||||||
| PM10 | 2010 | 1A4bi (49.8%) | 1A1a (17.9%) | 3Dc (10.5%) | 2D3b (4.5%) | 82.7% | ||||||||
| TSP | 2010 | 1A4bi (36.3%) | 1A1a (22.9%) | 2D3b (13.3%) | 3Dc (7.2%) | 1B1a (3.2%) | 83.0% | |||||||
| BC | 2010 | 2D3c (67.1%) | 1A4bi (20.4%) | 87.5% | ||||||||||
| CO | 2010 | 1A4bi (49.1%) | 1A3bi (24.6%) | 1A3ai(i) (7.9%) | 81.6% | |||||||||
| Pb | 2010 | 2C5 (81.4%) | 81.4% | |||||||||||
| Cd | 2010 | 1A1a (34.4%) | 1A4bi (20.4%) | 2C7a (16.4%) | 2C5 (9.7%) | 80.9% | ||||||||
| Hg | 2010 | 1A1a (78.6%) | 1A4bi (4.5%) | 83.1% | ||||||||||
| As | 2010 | 1A1a (83.6%) | 83.6% | |||||||||||
| Cr | 2010 | 1A1a (63.3%) | 1A4bi (14.5%) | 1A3bvi (6.1%) | 83.9% | |||||||||
| Cu | 2010 | 1A3bvi (41.3%) | 2D3i (22.5%) | 2C7a (13.4%) | 1A1a (11.1%) | 88.3% | ||||||||
| Ni | 2010 | 1A1a (52.4%) | 1A3di(ii) (18.6%) | 2C1 (6.5%) | 1A2a (5.9%) | 83.4% | ||||||||
| Se | 2010 | 1A1a (95.7%) | 95.7% | |||||||||||
| Zn | 2010 | 1A4bi (49.5%) | 1A1a (19.1%) | 1A3bvi (8.2%) | 2C1 (7.9%) | 84.6% | ||||||||
| DIOX | 2010 | 1A4bi (43.1%) | 5C1biii (26.3%) | 2C3 (5.4%) | 5E (5.0%) | 2C7a (4.2%) | 84.0% | |||||||
| PAH | 2010 | 1A4bi (96.0%) | 96.0% | |||||||||||
| HCB | 2010 | 2C3 (73.5%) | 1A4bi (21.5%) | 94.9% | ||||||||||
| PCB | 2010 | 2C1 (52.3%) | 1A4bi (37.5%) | 89.8% | ||||||||||
| Component | Year | Key categories (Sorted from high to low from left to right) | Total | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOx | 2005 | 1A1a (30.0%) | 2B2 (14.6%) | 1A3biii (13.9%) | 1A3bi (11.6%) | 1A3di(ii) (4.4%) | 1A4cii (3.9%) | 1A3bii (3.4%) | 81.7% | ||||||||
| NMVOC | 2005 | 1A4bi (18.0%) | 1A3bi (11.9%) | 2D3a (9.0%) | 2H2 (8.3%) | 1B1a (6.4%) | 3B1a (5.7%) | 2D3c (3.4%) | 1A3bv (3.3%) | 3De (3.0%) | 2D3d (2.8%) | 3B1b (2.3%) | 1B2av (2.0%) | 1B2b (1.9%) | 1A3biii (1.8%) | 2G (1.8%) | 81.6% |
| SOx | 2005 | 1A1a (90.6%) | 90.6% | ||||||||||||||
| NH3 | 2005 | 3Da2a (23.7%) | 3Da1 (17.9%) | 3B3 (9.3%) | 3Da3 (8.8%) | 5D1 (8.3%) | 3B1a (7.1%) | 3B1b (4.4%) | 1A4bi (4.2%) | 83.7% | |||||||
| PM2.5 | 2005 | 1A4bi (54.1%) | 1A1a (18.7%) | 2D3c (5.5%) | 1A3bi (2.4%) | 80.8% | |||||||||||
| PM10 | 2005 | 1A4bi (32.0%) | 1A1a (23.2%) | 2D3c (15.8%) | 3Dc (7.8%) | 2D3b (4.3%) | 83.2% | ||||||||||
| TSP | 2005 | 2D3c (31.9%) | 1A1a (23.3%) | 1A4bi (17.2%) | 2D3b (9.5%) | 81.8% | |||||||||||
| BC | 2005 | 2D3c (99.8%) | 99.8% | ||||||||||||||
| CO | 2005 | 1A4bi (42.6%) | 1A3bi (28.0%) | 1A3ai(i) (8.2%) | 1A3bii (5.7%) | 84.5% | |||||||||||
| Pb | 2005 | 1A1a (23.2%) | 2C1 (22.0%) | 1A2a (16.5%) | 2C7a (9.8%) | 1A3bi (6.8%) | 1A4bi (5.3%) | 83.5% | |||||||||
| Cd | 2005 | 2C7a (63.5%) | 1A1a (19.7%) | 83.1% | |||||||||||||
| Hg | 2005 | 1A1a (76.4%) | 2C6 (6.5%) | 82.9% | |||||||||||||
| As | 2005 | 1A1a (78.6%) | 2C7a (15.0%) | 93.5% | |||||||||||||
| Cr | 2005 | 1A1a (44.0%) | 2C7a (39.2%) | 83.2% | |||||||||||||
| Cu | 2005 | 2C7a (47.8%) | 1A3bvi (22.5%) | 2D3i (11.6%) | 81.9% | ||||||||||||
| Ni | 2005 | 1A1a (32.4%) | 2C7a (22.4%) | 1A1b (19.1%) | 1A2a (15.8%) | 89.7% | |||||||||||
| Se | 2005 | 1A1a (95.5%) | 95.5% | ||||||||||||||
| Zn | 2005 | 1A4bi (37.6%) | 1A1a (21.5%) | 2C1 (15.2%) | 1A3bvi (6.2%) | 80.5% | |||||||||||
| DIOX | 2005 | 5C1biii (27.2%) | 5C1bi (24.1%) | 1A4bi (18.8%) | 1A2a (10.3%) | 80.3% | |||||||||||
| PAH | 2005 | 1A4bi (77.7%) | 2C1 (17.2%) | 94.9% | |||||||||||||
| HCB | 2005 | 2C3 (32.0%) | 5C1bi (29.5%) | 1A4bi (19.6%) | 81.1% | ||||||||||||
| PCB | 2005 | 2C1 (76.0%) | 1A4bi (16.2%) | 92.1% | |||||||||||||