Review Stage 2: Synthesis and Assessment Country report
KEY SOURCE ANALYSIS
Party: LV 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 | 1A3biii (17.0%) | 1A3bi (11.2%) | 3Da1 (10.5%) | 1A1a (10.2%) | 1A2gviii (8.8%) | 2A1 (5.9%) | 1A4cii (5.2%) | 1A3c (4.9%) | 1A4bi (4.5%) | 1A3bii (3.5%) | 81.6% |
NMVOC | 2020 | 1A4bi (25.4%) | 2D3d (11.2%) | 3B1a (11.0%) | 2D3i (10.4%) | 2D3a (7.0%) | 2D3g (4.2%) | 3B1b (4.0%) | 2H2 (3.8%) | 1A3bi (3.5%) | 80.3% | |
SOx | 2020 | 1A1a (25.3%) | 1A4bi (24.5%) | 1A2gviii (19.7%) | 1A4cii (7.7%) | 2A1 (5.3%) | 82.4% | |||||
NH3 | 2020 | 3Da1 (22.3%) | 3B1a (21.6%) | 3Da2a (21.3%) | 1A4bi (7.3%) | 3B3 (5.5%) | 3Da3 (4.4%) | 82.3% | ||||
PM2.5 | 2020 | 1A4bi (61.6%) | 1A1a (15.3%) | 1A2gviii (5.3%) | 82.2% | |||||||
PM10 | 2020 | 1A4bi (40.5%) | 2D3b (14.6%) | 1A1a (11.4%) | 3Dc (11.0%) | 2A5b (5.1%) | 82.6% | |||||
TSP | 2020 | 2D3b (39.0%) | 1A4bi (24.3%) | 2A5b (9.5%) | 1A1a (7.2%) | 80.1% | ||||||
BC | 2020 | 1A4bi (60.4%) | 1A3bi (8.0%) | 1A2gviii (4.8%) | 1A1a (4.4%) | 1A3biii (2.3%) | 1A4bii (2.2%) | 82.1% | ||||
CO | 2020 | 1A4bi (66.3%) | 1A3bi (8.1%) | 1A2gviii (4.1%) | 1A4bii (4.0%) | 82.5% | ||||||
Pb | 2020 | 1A3bi (27.3%) | 1A4bi (18.8%) | 1A2gviii (14.2%) | 1A1a (14.2%) | 1A3bvi (13.0%) | 87.5% | |||||
Cd | 2020 | 1A4bi (46.5%) | 1A2gviii (31.3%) | 1A4ai (7.0%) | 84.8% | |||||||
Hg | 2020 | 1A1a (40.4%) | 1A2gviii (15.0%) | 1A4bi (14.8%) | 5C1bv (8.0%) | 1A4ai (4.5%) | 82.8% | |||||
As | 2020 | 1A1a (78.8%) | 1A2gviii (12.9%) | 91.8% | ||||||||
Cr | 2020 | 1A4bi (36.4%) | 1A2gviii (25.9%) | 1A1a (14.4%) | 1A3bvi (11.2%) | 87.8% | ||||||
Cu | 2020 | 1A3bvi (70.0%) | 1A1a (9.6%) | 1A4cii (5.5%) | 85.1% | |||||||
Ni | 2020 | 1A1a (60.3%) | 1A2gviii (14.1%) | 1A4bi (8.3%) | 82.7% | |||||||
Se | 2020 | 1A2f (36.3%) | 1A1a (27.1%) | 1A2gviii (10.9%) | 1A4bi (10.8%) | 85.1% | ||||||
Zn | 2020 | 1A4bi (40.3%) | 1A2gviii (28.5%) | 1A1a (14.4%) | 83.1% | |||||||
DIOX | 2020 | 1A4bi (66.0%) | 5E (11.3%) | 1A2gviii (8.2%) | 85.5% | |||||||
PAH | 2020 | 1A4bi (76.7%) | 6A (11.4%) | 88.1% | ||||||||
HCB | 2020 | 3Df (40.1%) | 1A1a (19.4%) | 1A4bi (19.2%) | 1A2gviii (15.5%) | 94.1% | ||||||
PCB | 2020 | 1A1a (48.5%) | 1A2f (19.2%) | 1A4ai (10.9%) | 1A2gviii (9.3%) | 87.8% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2010 | 1A3biii (24.7%) | 1A3bi (11.2%) | 1A3c (9.8%) | 1A1a (8.0%) | 1A4cii (6.3%) | 3Da1 (5.8%) | 1A2gviii (4.9%) | 1A4bi (4.7%) | 1A4ai (3.1%) | 1A3bii (2.3%) | 81.0% | |
NMVOC | 2010 | 1A4bi (31.7%) | 2D3d (11.0%) | 3B1a (10.3%) | 1A3bi (9.9%) | 2H2 (3.4%) | 2D3g (3.0%) | 3B1b (2.7%) | 2D3a (2.5%) | 2D3i (2.4%) | 3De (2.3%) | 1B2c (2.2%) | 81.4% |
SOx | 2010 | 1A4bi (32.4%) | 1A1a (15.3%) | 1A4ai (11.6%) | 1A2gviii (10.3%) | 1A2a (5.0%) | 1A4cii (4.3%) | 1A2e (4.1%) | 83.1% | ||||
NH3 | 2010 | 3B1a (24.0%) | 3Da2a (23.0%) | 3Da1 (12.7%) | 1A4bi (11.1%) | 3B3 (7.9%) | 3Da3 (3.1%) | 81.8% | |||||
PM2.5 | 2010 | 1A4bi (76.4%) | 1A1a (3.4%) | 1A4ai (2.0%) | 81.8% | ||||||||
PM10 | 2010 | 1A4bi (57.0%) | 2D3b (8.8%) | 3Dc (7.3%) | 2A5b (6.8%) | 1A1a (2.9%) | 82.8% | ||||||
TSP | 2010 | 1A4bi (37.8%) | 2D3b (26.0%) | 2A5b (14.2%) | 3Dc (3.8%) | 81.8% | |||||||
BC | 2010 | 1A4bi (64.0%) | 1A3bi (7.7%) | 1A3biii (5.5%) | 1A4cii (2.8%) | 80.0% | |||||||
CO | 2010 | 1A4bi (62.4%) | 1A3bi (20.7%) | 83.0% | |||||||||
Pb | 2010 | 2C1 (97.9%) | 97.9% | ||||||||||
Cd | 2010 | 2C1 (43.6%) | 1A4bi (33.5%) | 1A2gviii (11.9%) | 89.0% | ||||||||
Hg | 2010 | 1A4bi (25.1%) | 1A1a (14.9%) | 2A1 (14.3%) | 1A4ai (13.8%) | 1A2gviii (7.0%) | 1A3bi (4.6%) | 5C1bv (3.7%) | 83.4% | ||||
As | 2010 | 2C1 (99.4%) | 99.4% | ||||||||||
Cr | 2010 | 2C1 (51.3%) | 1A4bi (24.7%) | 1A2gviii (8.7%) | 84.7% | ||||||||
Cu | 2010 | 1A3bvi (71.9%) | 1A4bi (4.6%) | 2C1 (4.0%) | 80.4% | ||||||||
Ni | 2010 | 2C1 (92.4%) | 92.4% | ||||||||||
Se | 2010 | 1A1a (34.7%) | 1A4bi (27.7%) | 1A2gviii (9.0%) | 1A4ai (8.3%) | 1A3bvi (4.9%) | 84.6% | ||||||
Zn | 2010 | 1A4bi (47.1%) | 1A2gviii (16.6%) | 2C1 (15.5%) | 1A4ai (9.4%) | 88.6% | |||||||
DIOX | 2010 | 1A4bi (75.3%) | 5E (10.0%) | 85.4% | |||||||||
PAH | 2010 | 1A4bi (84.9%) | 84.9% | ||||||||||
HCB | 2010 | 1A4bi (43.1%) | 3Df (19.3%) | 1A2gviii (15.6%) | 1A1a (9.8%) | 87.8% | |||||||
PCB | 2010 | 1A4bi (41.7%) | 1A4ai (39.7%) | 81.4% |
Component | Year | Key categories (Sorted from high to low from left to right) | Total | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
NOx | 2005 | 1A3biii (26.9%) | 1A3bi (12.5%) | 1A3c (10.9%) | 1A1a (7.7%) | 1A4cii (6.2%) | 1A4bi (4.9%) | 1A4ciii (4.3%) | 3Da1 (3.6%) | 1A4ai (3.6%) | 80.6% |
NMVOC | 2005 | 1A4bi (34.1%) | 1A3bi (14.6%) | 3B1a (9.1%) | 2D3d (8.3%) | 2H2 (4.2%) | 2D3a (3.1%) | 1A3biii (2.4%) | 1B2b (2.2%) | 2D3g (2.2%) | 80.1% |
SOx | 2005 | 1A4bi (21.8%) | 1A1a (17.9%) | 2A1 (15.5%) | 1A4ai (12.2%) | 1A2f (6.0%) | 1A2e (4.8%) | 1A3c (3.7%) | 82.0% | ||
NH3 | 2005 | 3B1a (25.6%) | 3Da2a (24.0%) | 1A4bi (14.9%) | 3B3 (9.2%) | 3Da1 (7.9%) | 81.5% | ||||
PM2.5 | 2005 | 1A4bi (80.3%) | 80.3% | ||||||||
PM10 | 2005 | 1A4bi (63.0%) | 2D3b (8.8%) | 2A5b (6.0%) | 3Dc (4.9%) | 82.8% | |||||
TSP | 2005 | 1A4bi (42.6%) | 2D3b (26.4%) | 2A5b (12.6%) | 81.6% | ||||||
BC | 2005 | 1A4bi (68.4%) | 1A3biii (6.2%) | 1A3bi (5.4%) | 80.0% | ||||||
CO | 2005 | 1A4bi (56.4%) | 1A3bi (30.0%) | 86.5% | |||||||
Pb | 2005 | 2C1 (97.5%) | 97.5% | ||||||||
Cd | 2005 | 2C1 (41.5%) | 1A4bi (39.8%) | 81.4% | |||||||
Hg | 2005 | 1A4bi (29.4%) | 1A4ai (15.7%) | 1A1a (12.9%) | 1A2f (8.6%) | 5C1biii (5.3%) | 1A2gviii (4.5%) | 1A2e (4.2%) | 80.6% | ||
As | 2005 | 2C1 (99.4%) | 99.4% | ||||||||
Cr | 2005 | 2C1 (49.7%) | 1A4bi (29.8%) | 1A4ai (6.5%) | 85.9% | ||||||
Cu | 2005 | 1A3bvi (69.2%) | 1A4bi (5.7%) | 2C1 (4.2%) | 2G (4.0%) | 83.1% | |||||
Ni | 2005 | 2C1 (85.2%) | 85.2% | ||||||||
Se | 2005 | 2A3 (24.1%) | 1A4bi (24.0%) | 1A1a (21.5%) | 1A4ai (8.2%) | 1A4ciii (3.9%) | 81.8% | ||||
Zn | 2005 | 1A4bi (55.1%) | 2C1 (14.6%) | 1A4ai (11.6%) | 81.3% | ||||||
DIOX | 2005 | 1A4bi (68.9%) | 5C1biii (11.8%) | 80.6% | |||||||
PAH | 2005 | 1A4bi (86.1%) | 86.1% | ||||||||
HCB | 2005 | 1A4bi (58.1%) | 1A4ai (11.9%) | 1A1a (8.0%) | 1A2gviii (7.8%) | 85.7% | |||||
PCB | 2005 | 1A4ai (33.8%) | 1A4bi (30.2%) | 1A2f (21.6%) | 85.6% |