Toxic Cyanobacteria in Water: A guide to their public health

2,09
MB consequences, monitoring and management

148
stron

5474
ID World Health Organization

1999
rok

Table of Contents

Foreword

Acknowledgements

Chapter 1. INTRODUCTION

1.1 Water resources

1.2 Eutrophication, cyanobacterial blooms and surface scums

1.3 Toxic cyanobacteria and other water-related health problems

1.4 Present state of knowledge

1.5 Structure and purpose of this book

1.6 References

Chapter 2. CYANOBACTERIA IN THE ENVIRONMENT

2.1 Nature and diversity

2.2 Factors affecting bloom formation

2.3 Cyanobacterial ecostrategists

2.4 Additional information

2.5 References

Chapter 3. CYANOBACTERIAL TOXINS

3.1 Classification

3.2 Occurrence of cyanotoxins

3.3 Production and regulation

3.4 Fate in the environment

3.5 Impact on aquatic biota

3.6 References

Chapter 4. HUMAN HEALTH ASPECTS

4.1 Human and animal poisonings

4.2 Toxicological studies

4.3 References

Chapter 5. SAFE LEVELS AND SAFE PRACTICES

5.1 Tolerable exposures

5.2 Safe practices

5.3 Other exposure routes

5.4 Tastes and odours

5.5 References

Chapter 6. SITUATION ASSESSMENT, PLANNING AND MANAGEMENT

6.1 The risk-management framework

6.2 Situation assessment

6.3 Management actions, the Alert Levels Framework

6.4 Planning and response

6.5 References

Chapter 7. IMPLEMENTATION OF MANAGEMENT PLANS

7.1 Organisations, agencies and groups

7.2 Policy tools

7.3 Legislation, regulations, and standards

7.4 Awareness raising, communication and public participation

7.5 References

Chapter 8. PREVENTATIVE MEASURES

8.1 Carrying capacity

8.2 Target values for total phosphorus within water bodies

8.3 Target values for total phosphorus inputs to water bodies

8.4 Sources and reduction of external nutrient inputs

8.5 Internal measures for nutrient and cyanobacterial control

8.6 References

Chapter 9. REMEDIAL MEASURES

9.1 Management of abstraction

9.2 Use of algicides

9.3 Efficiency of drinking water treatment in cyanotoxin removal

9.4 Chemical oxidation and disinfection

9.5 Membrane processes and reverse osmosis

9.6 Microcystins other than microcystin-LR

9.7 Effective drinking water treatment at treatment works

9.8 Drinking water treatment for households and small community supplies

9.9 References

Chapter 10. DESIGN OF MONITORING PROGRAMMES

10.1 Approaches to monitoring programme development

10.2 Laboratory capacities and staff training

10.3 Reactive versus programmed monitoring strategies

10.4 Sample site selection

10.5 Monitoring frequency

10.6 References

Chapter 11. FIELDWORK: SITE INSPECTION AND SAMPLING

11.1 Planning for fieldwork

11.2 Site inspection

11.3 Sampling

11.4 Nutrients, cyanobacteria and toxins

11.5 On-site analysis

11.6 Field records

11.7 Sample preservation and transport

11.8 References

Chapter 12. DETERMINATION OF CYANOBACTERIA IN THE LABORATORY

12.1 Sample handling and storage

12.2 Cyanobacterial identification

12.3 Quantification

12.4 Determination of biomass using chlorophyll a analysis

12.5 Determination of nutrient concentrations

12.6 References

Chapter 13. LABORATORY ANALYSIS OF CYANOTOXINS

13.1 Sample handling and storage

13.2 Sample preparation for cyanotoxin determination and bioassays

13.3 Toxicity tests and bioassays

13.4 Analytical methods for cyanotoxins

13.5 References