EMISSIONS OF DIOXINS AND DIOXIN-LIKE POLYCHLORINATED

0,69
MB BIPHENYLS FROM DOMESTIC SOURCES

83
stron

3480
ID Department for Environment, Food & Rural Affairs

2006
rok

EXECUTIVE SUMMARY 1

1. INTRODUCTION 3

1.1 Dioxins and dioxin-like polychlorinated biphenyls 3

1.2 Stockholm Convention 3 1.

3 This study 4

1.4 What are dioxins and PCBs? 5

1.5 This report 7

1.6 Acknowledgement 7

2. DIOXINS AND DIOXIN-LIKE PCBS 8

2.1 Why are we concerned about dioxins and PCBs? 8

2.2 Measuring dioxins and furans 8

2.3 Mechanisms for release of dioxins and furans 10

2.4 Release pathways 11

3. METHODS 13

3.1 Domestic combustion 13

3.2 Household waste combustion and bonfires 14

3.3 Educational campaigns 15

4. DOMESTIC SOLID FUEL COMBUSTION 17

4.1 Description of activities 17

4.2 Emissions data for household heating and cooking with biomass 19

4.3 Key factors affecting emissions from household heating and cooking with biomass 21

4.4 Emissions data for domestic heating and cooking with fossil fuels 22

4.5 Key factors affecting emissions from domestic heating and cooking with fossil fuels 24

5. DOMESTIC WASTE BURNING AND BONFIRES 26

5.1 Emissions data for bonfires and fireworks 26

5.2 Key factors affecting emissions from bonfires 27

5.3 Emissions data for domestic waste burning 28

5.4 Key factors affecting emissions from waste burning 30

6. NATIONAL INVENTORY 33

6.1 Activity data 33

6.2 National inventory 33

7. PUBLIC ENGAGEMENT 37

7.1 The problem 37 QUALITY CONTROL SHEET

7.2 Potential public awareness strategies 38

7.3 Current Promotional Activity - Domestic Solid Fuel Combustion 38

7.4 Current Promotional Activity - Domestic Waste Burning and Bonfires 39

7.5 Communications Strategy 41

7.6 What do we need to communicate? 42

7.7 Aim of a communications campaign 44

7.8 Campaign Options 45

8. CONCLUSIONS AND RECOMMENDATIONS 46

8.1 Technical conclusions 46

8.2 Key sources of dioxins and dioxin-like PCBs 46

8.3 Public information campaigns 47

8.4 Public information campaigns – example advice 50

8.5 Recommendations 51

9. REFERENCES 54

FIGURES

1 Chemical structure of 2,3,7,8-tetrachloro dibenzo-para-dioxin Figure

2 Chemical structure of 2,3,7,8-tetrachloro dibenzofuran Figure

3 Chemical structure of a polychlorinated biphenyl (PCB 77)

4 Estimated annual UK emissions of dioxins and furans to air Figure

5 Estimated annual UK emissions of dioxins and furans in solid residues

APPENDICES

1. METALS LEVELS IN TREATED WOOD WASTE

2. SUPPORTING INFORMATION ON SOLID FUEL USE IN THE UK RESIDENTIAL SECTOR

A2.1 Introduction 2

A2.2 Legislation affecting Solid Fuel Combustion in the Residential Sector 2

A2.3 Fuels 3

A2.4 Appliances 7

A2.5 Propensity for fuels to produce dioxins 10

A2.6 Discussion 20

A2.7 Recommendations for further research 20