Report to Local Liaison Committee on Radioactive Discharges &

0,71
MB Environmental Monitoring, 2003

68
stron

4974
ID United Kingdom Atomic Energy Authority

2004
rok

Contents

EXECUTIVE SUMMARY

Atmospheric Discharges iii

Environmental Monitoring in Connection with Atmospheric Discharges iii

Liquid Discharges iv

Environmental Monitoring in connection with Liquid Discharges iv

Groundwater Monitoring iv

Doses v

Conclusions v

1 INTRODUCTION 1

2 RADIOACTIVE DISCHARGES FROM UKAEA HARWELL 2

3 ATMOSPHERIC DISCHARGES AND ASSOCIATED ENVIRONMENTAL MONITORING 3

3.1 Atmospheric Discharges 3

3.2 Environmental Monitoring in Connection with Atmospheric Discharges 8

3.2.1 Air 9

3.2.2 Soil 9

3.2.3 Vegetables 9

3.2.4 Grass 9

3.2.5 Milk 9

3.2.6 Rainwater 10

3.2.7 External Irradiation 10

4 LIQUID DISCHARGES AND ASSOCIATED ENVIRONMENTAL MONITORING 16

4.1 Liquid Discharges to the River Thames 16

4.2 Liquid Discharges to the Lydebank Brook 16

4.3 Environmental Monitoring in Connection with Liquid Discharges 17

4.3.1 River Thames 17

4.3.1.1 River Water 17

4.3.1.2 Silt 17

4.3.1.3 Fish 17

4.3.1.4 Flora 18

4.3.1.5 External Irradiation 18

4.3.2 Lydebank Brook 18

4.3.2.1 Stream Water 18

4.3.2.2 Silt 19

4.4 Disposal of Non Radiological Liquid Discharges 23

5 SOLID WASTE DISPOSAL 24

5.1 Disposal of Solid Radioactive Waste 24

6 MONITORING OF HARWELL GROUNDWATER 25

6.1 Chemical Contamination in Groundwater 25

6.2 Radioactivity in Groundwater 26

7 SUMMARY AND CONCLUSIONS 27

Appendices

Appendix 1 28

Appendix 2 47

Appendix 3 52

Glossary 53