CURRENT STATUS OF NATIONAL INVENTORY PREPARATION IN

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ANNEX I PARTIES AND NON-ANNEX I PARTIES

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Organisation for Economic Co-operation and Development

2003

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TABLE OF CONTENTS

EXECUTIVE SUMMARY 6

1. INTRODUCTION. 10

2. STATUS OF NATIONAL INVENTORY PREPARATION IN ANNEX I PARTIES 10

2.1 Legal requirements under the Convention and the Kyoto Protocol . 10

2.2 Problems of national inventory systems. 11

2.3 Availability and timeliness of inventories 14

2.4 Completeness. 15

2.5 Comparability 16

2.6 Transparency . 17

2.7 Consistency . 17

2.8 Accuracy 18

2.8.1 Comparison of reference and sectoral approach. 18

2.8.2 Estimation of uncertainties . 18

2.8.3 Methodological choice 21

2.9 Quality assurance and quality control 21

2.9.1 Status of development of quality management systems . 22

2.9.2 Implementation of quality control procedures 24

2.9.3 Implementation of quality assurance procedures 26

2.9.4 Quality assurance of secondary data sources 27

2.10 Conclusions for Annex I Parties . 28

3. STATUS OF NATIONAL INVENTORY PREPARATION IN NON-ANNEX I PARTIES 29

3.1 Legal requirements under the Convention 29

3.2 Availability of national communications . 29

3.3 Problems of national inventory systems. 30

3.3.1 Institutional arrangements. 30

3.3.2 Activity data and emission factors 31

3.3.3 UNFCCC findings 31

3.4 General assessment of Non-Annex I national communications. 32

3.4.1 Consistency 33

3.4.2 Completeness 33

3.4.3 Comparability . 33

3.4.4 Transparency 33

3.4.5 Accuracy 34

3.5 Comparison of inventory data of selected Non-Annex I Parties with international data sources

35

3.5.1 Comparison of data for energy, agriculture and waste sectors . 35

3.5.2 Analysis of LUCF sector 38

3.6 Conclusions for Non-Annex I Parties. 42

REFERENCES. 44

GLOSSARY . 46

ANNEX 1: USE OF GOOD PRACTICE METHODS FOR KEY SOURCE CATEGORIES IN

ANNEX I INVENTORIES 47