| | 2021 2023 | | | | | | | | | | 1980 | 1005 | 57.3 % | 30 10 | 100 50.5 | | | | | | | | | | | | | | | | | | | | | | | 2020 76. | 6% 2017 9.6 S02 | 38 / 2017 | 43.3 % PM2.5 | | | II | | | | | | | | | | | | | | | | | 2020 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2023 | | | | | | | 2025 | | | | PM10 | S02 PM2.5 | V | | | | | | | | | | | | | | | | | | | | | | | | | | 2021 6 | | | 1. | | | | | | | | | PVC | | | | | | | | | | | | | | | | | PVC PVC | | 50 PVC | 72 1 4 BDO | | | | | | | | | | | | | | | | | | | | 2020 | 2. | | | | | | | 2021 1 1 | | | | 2022 2023 1 | 1 | 2021 | | | | | | | | | | | | | | | | | | | | | | 2023 12 | 3. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2021 2023 | 4.3 | 478 | | | | | 6.25 | | | | | | | 2023 | | | | | | | 5.5 | 2023 | | | | | | 5.5 | 2021 | | | 2022 40% | 2023 11 | | | | | | | | 2023 | | 2021 4 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | 2021 4 | | | | | | | | | | 2023 12 | | | | | | | | | | | | | | 2023 12 | | 2021 6 | | | | | | | | | | | | | | | | | | | | | | | | | 2023 25 | | 47.6% 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. | | | | | | | | | | | 8 10 | 8 6 | | | | | | | 2021 | | | | | | | | | | | | 2. | | | | | 3 | | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | 3. | 2021 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4. | 2021 3 | | | | | 2021 4 | | | | | | | | | | | | | | | VOCs NOx | | | VOCs | 1. | VOCs | VOCs | | | | | | | 2. VOCs | | | | PVC | 2021 7 VOCs | | VOCs | | VOCs | | VOCs | | 2023 | | | | GB 37822 2019 | | LDAR | | | 3. | | | VOCs | | | | I/M | | | | | | | | 4 | | | | 5 8 | | | | | VOC | | VOCs | | 2020 | 2021 4 | | | | | | | | | | | | LNG | | | | | | | | | | | | | | | | 2025 12 | | | | | | | | | 2021 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. | | | | | | | | | 85% | | | | | | | 2. 2021 | 1 2020 | 2023 2000 | 2025 | 2005 | | | 2025 12 | | 3. | | | 2021 | | | | | | 2021 | 12 | 4. | | | | | | | | | | | 5. | | | | | | | | | | | | | | | | 2021 3 | | | 2023 | | | | | | 2023 | 97% 2025 | 98% | | | | | | | | | | | | | | | | | | | | | 2023 | | | | | 2021 2023 | 65% 70% 75% | 2023 | 12 50 | | | | | | | 2023 | 12 | | | | | | | | | | | | | | | | | | | | | | 2021 | 6 | | | | | | | | | | | 2021 6 | | | | | | | | 2021 12 | | | | | | | | | 2021 12 | | 2021 6 | 3 | | | | | | | 2021 6 | 2021 | | | | | | | 2021 12 | | | | 2023 | | | | | 2023 12 | | | | | | | | | | | | | | | 2023 12 110 | 110 | | | | | | | | | 2021 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2023 | | | | | | | | | | | | | | | | | | | | | | | | | | 2022 | | | | | | | | | | | | | | | | | | | | | | | | | | 2021 | 88% 2023 | | 90% | | | | | | | | | | | | | | 2023 | | | | | | | | | 2021 12 | | | | | | | | | | | | | 2023 | 12 | | | | | | | | | | | | | | | | | | | | | | | 2022 12 | | | | PM10 PM2.5 | | | | | 2021 12 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 15 | 30 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |