Chapter II
GHG INVENTORY DEVELOPMENT IN WASTE MANAGEMENT
Section 1. SECTOR-LEVEL GHG INVENTORY
Article 4. Process for development of sector-level GHG inventory
1. Identification of method for sector-level GHG inventory development.
2. Selection of sector-level GHG emission factors.
3. Collection of activity data for sector-level GHG inventory development.
4. Calculation of sector-level GHG emission and absorption.
5. Management of sector-level GHG inventory quality.
6. Assurance of sector-level GHG inventory quality.
7. Assessment of uncertainties of sector-level GHG inventories0}
8. Recalculation of sector-level GHG inventories.
9. Preparation of reports serving sector-specific national GHG inventories.
Article 5. Identification of method for sector-level GHG inventory development
The method for sector-level GHG inventory development shall comply with the 2006 IPCC Guidelines for National GHG Inventories (hereinafter referred to as "IPCC 2006) and the 2019 Refinement for the 2006 IPCC Guidelines for National GHG Inventories (hereinafter referred to as "IPCC 2019").
Detailed inventory development methods for each sub-field are specified in Appendix I.1 hereof.
Article 6. Selection of sector-level GHG emission factors
Emission factors used for sector-level GHG inventory shall be applied according to the list of emission factors announced by the Ministry of Natural Resources and Environment.
Article 7. Collection of activity data for sector-level GHG inventory development
Activity data for sector-level GHG inventory are based upon IPCC 2006 and IPCC 2019. Sources of activity data are obtained from General Statistics Office, relevant central and local authorities.
Rules, procedures and set forms for collection of activity data are specified in Appendix I.2 hereof.
Article 8. Calculation of sector-level GHG emission and absorption
Sector-level GHG emissions shall be calculated using the methods for GHG inventory mentioned in Article 5 of this Circular. GHG inventory results shall be calculated and consolidated on the basis of activity data, emission factors, global warming potential values for sources of emission and absorption that undergo GHG inventory.
Article 9. Management of sector-level GHG inventory quality
The process for management of GHG inventory quality is based upon IPCC 2006 and IPCC 2019. Activities in the procedures include:
1. Inspect the comprehensiveness, accuracy and adequacy of data
a) Inspect the hypotheses and standards for selection of activity data, emission factors and conversion factors;
b) Inspect errors of data input and reference documents;
c) Inspect data consolidation;
d) Inspect numbering continuity;
dd) Inspect emission trends.
2. Identify and rectify errors and mistakes
a) Inspect the method for GHG inventory development;
b) Inspect the method for writing parameters and units, and use of conversion factors;
c) Inspect uncertainties of emission results.
3. Inspect inventory documentation
a) Inspect the adequacy of inventory documentation;
b) Review archived documents.
Article 10. Assurance of quality of sector-level GHG inventories
The process for assurance of GHG inventory quality is based upon IPCC 2006 and IPCC 2019. Activities in the procedures include. The activities in this process shall be carried by agencies that do not participate in the sector-level GHG inventory development
Article 11. Assessment of uncertainties of sector-level GHG inventories
Uncertainties of sector-level GHG inventory shall be assessed according to IPCC 2006 and IPCC 2019.
1. Identify uncertainties of activity data, emission factors, calculation results during the process of sector-level GHG inventory development.
2. Prepare a datasheet of uncertainties of sector-level GHG inventories.
Article 12. Recalculation of sector-level GHG inventories
Recalculation of sector-level GHG inventories of the previous period shall be carried in the following cases:
1. There are errors in the calculation results of greenhouse gas emissions.
2. There are changes to the method for quantification of GHG, activity data and emission factors.
Article 13. Preparation of reports on sector-level GHG inventories
Reports on sector-level GHG inventories shall be prepared according to Form No. 04 in Appendix II of the Government’s Decree No. 06/2022/ND-CP.
Section 2. Development of facility-level GHG inventory
Article 14. Process for facility-level GHG inventory development
Steps of facility-level GHG inventory development:
1. Identification of operational boundaries and method for facility-level GHG inventory development.
2. Selection of facility-level GHG emission factors.
3. Selection and collection of activity data for facility-level GHG inventory development.
4. Calculation of facility-level GHG emissions;
5. Management of facility-level GHG inventory quality.
6. Assessment of uncertainties of facility-level GHG inventories.
7. Recalculation of facility-level GHG inventories.
8. Preparation of facility-level GHG inventory reports.
Article 15. Identification of operational boundaries and selection of method for facility-level GHG inventory development
Operational boundaries shall be determined in accordance with TCVN ISO 14064-1:2011, Part 1: Specification with guidance at the organization level for quantification and reporting of greenhouse gas emissions and removals, including:
a) Identification of GHG-emitting activities;
b) Classify sources of GHG emissions into direct emission sources and indirect emission sources.
Article 16. Identification of method for facility-level GHG inventory development
Methods for facility-level GHG inventory development are specified in Appendix II.1 hereof.
Article 17. Selection of facility-level GHG emission factors
Emission factors used for facility-level GHG inventory development shall be used according to the list of emission factors announced by the Minister of Natural Resources and Environment.
Article 18. Selection and collection of activity data for facility-level GHG inventory development
Activity data for each facility-level of GHG emission source shall be selected and collected in accordance with Appendix II.2 hereof.
Article 19. Calculation of facility-level GHG emissions
The calculation of facility-level GHG emissions shall be based upon the methods for GHG inventory development that are selected according to Article 16 of this Circular. Facility-level GHG inventories shall be calculated according to the input data, activity data, emission factors, global warming potential values for all GHG-emitting activities of the facility.
Article 20. Management of facility-level GHG inventory quality
The process for management of facility-level GHG inventory development shall be based upon TCVN ISO 14064-1:2011, Part 1: Specification with guidance at the organization level for quantification and reporting of greenhouse gas emissions and removals, including the following steps:
1. Identification and inspection of responsibility and authority of persons responsible for GHG inventory development.
2. Identification, implementation and review of appropriate training for members of the GHG inventory development team.
3. Identification and review of operational boundaries of the facility.
4. Identification and review of sources of GHG emissions.
5. Selection and inspection of quantification methodologies, including activity data and GHG emission factors.
6. Review of the application of GHG inventory development methods in order to ensure consistency across multiple facilities.
7. Use, maintenance and calibration of measurement equipment.
8. Development and maintenance of the data collection system.
9. Regular accuracy checks.
10. Periodic internal audits and technical reviews.
Article 21. Assessment of uncertainties of facility-level GHG inventories
Assessment of uncertainties of facility-level GHG inventories shall be carried out in accordance with Appendix II.3 hereof.
Article 22. Recalculation of facility-level GHG inventories
1. Recalculation of facility-level GHG inventories shall be carried in the following cases:
a) There are changes in operational boundaries that lead to changes in emission sources and activity data of this facility;
b) There are changes in GHG emission sources due to changes to the right to ownership, operation of the facility;
c) There are errors in the calculation results of greenhouse gas emissions and application of emission factors;
d) There are errors in collection, processing of activity data of the facility which lead to a change in GHG emission by more than 10% of the reported result.
2. Recalculated GHG inventories shall be included in the facility-level GHG inventory report of the next period.
Article 23. Preparation of reports on facility-level GHG inventories
1. Reports on facility-level GHG inventories shall be prepared according to Form No. 06 in Appendix II of the Government’s Decree No. 06/2022/ND-CP, and submitted to competent authorities of the People’s Committees of provinces for appraisal as per regulations.
2. The appraised facility-level GHG inventories shall be sent to the Ministry of Natural Resources and Environment via the online GHG inventory database
Tìm kiếm
Thông tư 17/2022/TT-BTNMT (Bản Word)