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Chemical Health Threats

Chemical Health Threats

Raquel Duarte-Davidson | Tom Gaulton | Stacey Wyke | Samuel Collins

(2018)

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Book Details

Abstract

Chemical health threats can have impacts across national borders and so may be more effectively tackled by international cooperation than by individual governments acting alone. As such, in November 2013, the European Union published the EU Decision for Serious Cross Border Threats to Health establishing a number of mechanisms for a coordinated, Europe-wide response with regards to preparedness, risk assessment, risk management, risk communication and international cooperation.

Comprising a series of chapters from leading international researchers, this book covers recent developments in the field which support the implementation of these European legal instruments. It begins by contextualising the need for data that surveillance of toxic threats can deliver, before going on to examine some of the tools that have been developed to facilitate toxicosurveillance in Europe as well as current toxicosurveillance networks outside the EU. In addition, this book covers the European Union regulation concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), and the work of the Alerting System for Chemical Health Threats (ASHT) project to improve the risk assessment and management of chemical health threats in Europe.

The volume provides a vital resource for researchers, educators, policy-makers and practitioners with an interest in key questions facing global hazardous substance control.


Professor Raquel Duarte-Davidson is head of the International Research and Development (IRD) Group within the Centre for Radiation, Chemical and Environmental Hazards at Public Health England. Many of their current projects are international collaborations with different public health bodies, universities and poisons centres across Europe. Projects relate to risk assessment, exposure assessment, developing alerting systems using poisons centres across Europe and developing guidance, protocols and training material on the management of chemical incidents. Professor Duarte-Davidson also holds a Visiting Professorship at Cranfield University.

Dr Rob Orford is a Principal Scientist within the IRD group. He is the technical lead for two EU co-funded R&D projects on cross border chemical health threats. The projects cover the European Union level response to serious cross border threats to health from chemicals which includes the development of toxicosurveillance approaches for chemical health threats.

Dr Stacey Wyke is also a Principal Scientist within the IRD group and is the technical lead for recovery and remediation of chemical incidents. She has led EU co-funded R&D projects on cross border chemical health threats and toxicosurveillance, has worked as a Poisons Specialist and is a registered Toxicologist.

Table of Contents

Section Title Page Action Price
Cover Cover
Chemical Health Threats i
Preface vii
Acknowledgments ix
Contents xi
Chapter 1 - Overview of Alerting, Assessing and Responding to Chemical Public Health Threats 1
1.1 Introduction 1
1.2 Mechanisms for Reporting Public Health Risks From Chemicals 2
1.2.1 International Health Regulations (IHR) – Public Health Emergencies and Events of International Concern 2
1.2.2 EU Decision 1082/2013/EU for Cross-border Threats to Health 8
1.2.3 Early Warning and Response System (EWRS) 8
1.2.4 Rapid Alert System for Chemicals (RASCHEM) 9
1.2.5 Industrial Accident Notification System (IAN) – Cross-border Industrial Accidents 9
1.2.6 Illicit Drugs and Emerging Psychoactive Drugs (Réseau Européen d'Information sur les Drogues et les Toxicomanies; REITOX) 12
1.2.7 The Rapid Alert System for Non-food Dangerous Products (RAPEX) 12
1.2.8 The Rapid Alert System for Food and Feedstuff (RASFF) 14
1.3 European Supporting Mechanisms for Assessing the Public Health Risk of Exposure to Chemicals 15
1.3.1 The Role of the Scientific Committee on Health, Environmental and Emerging Risks (SCHEER) 15
1.4 The Role of Poison Centres and Public Health Authorities 16
1.5 Conclusion 18
References 19
Chapter 2 - Chemical Regulation at the European Level: Safeguarding Consumer Health and Protecting the Environment 24
2.1 Introduction 24
2.2 Requirements for Chemical Manufacturers in Europe: the REACH Regulation 25
2.2.1 Core Components of REACH 25
2.2.1.1 Registration 26
2.2.1.2 Evaluation 26
2.2.1.3 Authorisation 26
2.2.1.4 Restriction 27
2.3 Communicating the Risks Associated with Hazardous Chemicals 27
2.3.1 Chemical Classification and the Globally Harmonised System (GHS) for Labelling 27
2.3.2 The Classification, Labelling and Packaging Regulation (CLP) 29
2.3.3 CLP and the Role of Poison Centres 31
2.3.4 Submission of Data to Poison Centres: the Unique Formula Identifier (UFI) 31
2.4 Chemical Regulations for Specific Types of Chemicals 32
2.4.1 The Biocidal Products Regulation (BPR) 32
2.4.2 The Plant Protection Products (PPPs) Regulation 32
2.4.3 Prior Informed Consent Regulation 32
2.5 Restriction of the use of Chemicals in Specific Sectors 33
2.6 Summary 33
References 34
Chapter 3 - Medical Management of Mass Intoxications 36
3.1 Introduction 36
3.2 Evidence of Mass Poisoning 37
3.2.1 Examples of When Mass Poisonings May Occur 37
3.3 Alcoholic Beverages 39
3.3.1 General Aspects 39
3.3.2 Mixed Intoxication 39
3.4 Methanol Poisoning 40
3.5 Other Drugs 41
3.5.1 General Aspects 41
3.5.2 Recreational Drugs 41
3.5.3 New Psychoactive Substances 42
3.6 Food 42
3.6.1 General Aspects 42
3.6.2 Special Food Poisoning 43
3.6.2.1 Bacterial Toxins 43
3.6.2.2 Botulism 43
3.6.2.3 Poisonous Fungi 45
3.6.2.4 Poisoning by Fish and Other Marine Animals 46
3.6.2.5 Food Additives 47
3.7 Drinking Water 48
3.8 Medicinal Products 48
3.8.1 General Aspects 48
3.8.2 Diethylene Glycol 48
3.9 Consumer Goods 49
3.10 Conclusion 50
References 50
Chapter 4 - Hazardous Exposures to Liquid Laundry Detergents Capsules in Young Children 52
4.1 Introduction 52
4.2 Evaluation of Evidence on the Emerging Trend of LLDCs-related Injuries in Young Children 53
4.3 Preventive Measures Adopted in Italy and the Observed Impact 56
4.4 The AISE Product Stewardship Programme for LLDCs 58
4.5 European Legislation 59
4.6 Conclusion 59
References 61
Chapter 5 - Novel Applications of Spatial Mapping to Chemical or Biological Outbreaks 64
5.1 Introduction 64
5.2 TWC Alpha (α) 67
5.2.1 The Concept 67
5.2.2 The Algorithm 67
5.3 TWC Beta (β) 70
5.3.1 The Concept 70
5.3.2 The Algorithm 70
5.4 TWC Gamma (γ) 73
5.4.1 The Concept 73
5.4.2 The Algorithm 73
5.5 TWC Theta (θ) 75
5.5.1 The Concept 75
5.5.2 The Algorithm 75
5.6 TWC Iota (ï) 77
5.6.1 The Concept 77
5.6.2 The Algorithm 79
5.7 The German Haemolytic Uremic Syndrome (HUS): May 2011. Application of TWC for Outbreak Investigation 83
5.7.1 The Application of TWC(α, β, γ, θ) Algorithms 84
5.7.2 The Theta Distances and the Discrete Markov Chains 86
5.7.3 The TWC(ï) and the Meta Distances 90
5.8 Application of TWC for Chemical Incidents 90
5.9 Conclusion 91
References 94
Chapter 6 - Surveillance of Chemical Health Threats 96
6.1 Introduction 96
6.2 The Need for Surveillance 98
6.3 Requirements for Surveillance 99
6.4 Who Undertakes Surveillance 100
6.5 Types of Surveillance Systems 101
6.5.1 Indicator-based Surveillance 101
6.5.2 Event-based Surveillance 102
6.5.2.1 Examples of Events Detected by EBS 105
6.5.3 Pharmacosurveillance and Pharmacovigilance 105
6.5.4 Toxicosurveillance and Toxicovigilance 108
6.6 EU Reporting Requirements for Surveillance Systems 110
6.7 Conclusions 110
References 111
Chapter 7 - Responding to New Psychoactive Substances in the European Union: Early Warning, Risk Assessment and Control Measures 114
7.1 Introduction 114
7.2 The Origins of New Psychoactive Substances 116
7.3 The Situation in Europe 117
7.3.1 Production, Marketing, Supply 120
7.3.2 Spice and the Synthetic Cannabinoids 122
7.3.3 Recent Developments 125
7.4 Responding to New Psychoactive Substances in the European Union 126
7.4.1 Legal Framework 126
7.4.2 The EMCDDA 126
7.4.3 Early Warning 127
7.4.3.1 EU Early Warning System 127
7.4.3.2 Joint Report 129
7.4.4 Risk Assessment 129
7.4.5 Control Measures 131
7.5 Conclusion 131
Acknowledgements 132
References 132
Chapter 8 - Rapid Public Health Risk Assessments for Emerging Chemical Health Threats 138
8.1 Introduction 138
8.2 What is a Rapid Risk Assessment 140
8.3 Rapid Risk Assessment Methodology 141
8.3.1 Hazard Assessment 143
8.3.2 Exposure Assessment 143
8.3.3 Risk Characterization 145
8.3.4 Context Assessment 147
8.4 The Rapid Risk Assessment Team 148
8.5 Outcomes from the Rapid Risk Assessment 149
8.6 Conclusion 149
References 150
Chapter 9 - Review of Risk Management Measures to Mitigate Against Exposures to Household Chemical Consumer Products 152
9.1 Introduction 152
9.2 How Are Risk Management Measures Developed? 154
9.3 Administrative Risk Management Measures 156
9.3.1 Are Administrative Risk Management Measures Effective 158
9.4 Product-integrated Risk Management Measures 160
9.4.1 Physical RMMs 160
9.4.2 Are Physical Risk Management Measures Effective 160
9.4.3 Chemical Risk Management Measures 162
9.4.4 Are Chemical Risk Management Measures Effective 162
9.5 Consumer-related Risk Management Measures 163
9.5.1 Labelling 163
9.5.2 Are Consumer Risk Management Measures Effective 164
9.6 Conclusions 165
References 167
Chapter 10 - Understanding and Managing Behavioural and Psychological Responses to Chemical Incidents 171
10.1 Introduction 171
10.2 Likely Public Behaviour During Chemical Incidents 172
10.3 Management of Members of the Public during Chemical Incidents 172
10.4 Communicating with Members of the Public during Chemical Incidents 173
10.5 Communicating Public Health Messages Following a Chemical Incident 174
10.6 Conclusion 178
References 179
Chapter 11 - Strategic, Technical and Scientific Advice in an Environmental Emergency 182
11.1 Introduction 182
11.1.1 Types of Environmental Emergencies 182
11.1.2 Principles of Emergency Preparedness and Planning 184
11.2 Risk Assessment for Emergency Planning 185
11.2.1 Planning for Emergencies 185
11.2.2 Warning and Informing 187
11.2.3 Roles and Responsibilities 187
11.2.4 Cross-border Health Threats 188
11.3 Principles of Emergency Response 189
11.4 Environmental Public Health Risk Assessment 190
11.4.1 Source–Pathway–Receptor 192
11.4.2 Risk Communication During Emergencies 192
11.5 Case Study 195
References 198
Chapter 12 - Public Health Preparation and Response to Chemical Incident Emergencies 200
12.1 Introduction 200
12.2 Constructing Chemical Incident Emergency Plans 204
12.2.1 Development and Contents of a Chemical Incident Emergency Plan 204
12.2.2 Communication 207
12.2.3 Notification Authority 207
12.2.4 Special Populations 208
12.2.5 Mental Health 209
12.3 Alerting and Notification 209
12.3.1 Public Information Before an Incident 210
12.3.2 Public Information After an Incident 211
12.3.2.1 The STARCC Principle 212
12.3.3 Notifying Emergency Responders and Other Organisations 213
12.4 Evacuation Versus Shelter-in-Place 214
12.4.1 Taking Decisions About Evacuation During a Chemical Incident 214
12.4.2 What “Sheltering in Place” Means 214
12.4.3 How to Prepare to Shelter in Place During a Chemical Incident 214
12.4.4 How to Know if You Need to Evacuate 215
12.4.5 What to Do 216
12.4.6 Evacuees 216
12.4.7 Returning Following an Evacuation 217
12.5 Post Disaster Health Care, Remediation and Restoration After a Chemical Incident 217
12.5.1 Post Disaster Health Care and Welfare Support 217
12.5.2 Remediation and Restoration 218
12.6 Conclusion 220
References 221
Chapter 13 - Chemical Incident Management: An Overview of Preparedness, Response and Recovery 224
13.1 Introduction 224
13.2 Alerting and Event-based-surveillance 225
13.3 Planning and Preparedness 229
13.4 Incident Response 230
13.4.1 Initial Response by Emergency Responders 230
13.4.2 Evacuation and Disrobing 231
13.4.3 Decontamination (People) 232
13.5 Recovery and Remediation 233
13.5.1 Principles of Developing a Recovery Strategy 236
13.6 Conclusion 238
References 239
Chapter 14 - Investigating Outbreaks of Unknown Aetiology 240
14.1 Introduction 240
14.2 The Chemical Burden of Disease 243
14.3 Investigating Outbreaks of Unknown Aetiology 245
14.3.1 Preparedness and Response Plans 245
14.3.2 Recognising an Incident – The Importance of Surveillance 246
14.3.3 The Descriptive Phase – Defining Cases 250
14.3.3.1 The Importance of Robust Pathological Analysis 251
14.3.4 Testing the Hypothesis – The Epidemiological Approach 252
14.3.5 Testing the Hypothesis – The Toxicological Approach 253
14.3.6 Challenges in Establishing a Chemical Aetiology 254
14.3.7 The Intervention Phase – Prevention and Control 255
14.3.7.1 Strengthening Surveillance 256
14.3.7.2 Exposure Assessment 256
14.3.7.3 Communication and Education 257
14.4 Alerting and Reporting Mechanisms 258
14.4.1 European Reporting Systems 258
14.4.2 The International Health Regulations (IHR) 259
14.5 The Importance of International Cooperation 259
14.6 Conclusions 260
References 260
Appendix 1 - Case Study: Methanol Mass Poisoning Outbreak in the Czech Republic: Diagnosis, Treatment and Outcome 263
A1.1 Introduction 263
A1.2\rEpidemiology of the Czech Methanol Mass Poisoning Outbreak 264
A1.3 Diagnosing Methanol Poisoning: Role of Serum Formate Measurement 265
A1.4 Antidote Treatment to Block Methanol Metabolism: Ethanol Versus Fomepizole 266
A1.5 Role of Extracorporeal Treatments in Elimination of Formic Acid and Methanol: Intermittent Versus Continuous Modalities of D... 267
A1.6 Prevalence and Character of Long-term Visual Sequelae of Acute Methanol Poisoning 267
A1.7 Prevalence and Character of Long-Term CNS Sequelae of Acute Methanol Poisoning 268
References 268
Appendix 2 - Case Study: Fentanils: A Serious Threat to Public Health in Europe 271
A2.1 Introduction 271
A2.2 Re-emergence of the Fentanils on the Drug Market 272
A2.3 The Public Health Risk Posed by Fentanils 275
A2.3.1 Naloxone as an Antidote 276
A2.4 A Case Study: Acryloylfentanyl 276
A2.5 Conclusion 278
Acknowledgements 279
References 279
Appendix 3 - Case Study: Enschede Fireworks Disaster: Lessons Learned 283
A3.1 Introduction 283
A3.1.1 Background and Implementation of the Enschede Fireworks Disaster Study 284
A3.2 Overall Design of Health Monitoring 284
A3.3\rMain Outcomes of the Surveys 285
A3.3.1 Blood and Urine Study in the First Survey Two to Three Weeks Post-event 285
A3.3.2 Acute Physical and Mental Health Effects after the Disaster 285
A3.3.3 Main Outcomes of Surveys Among the Affected up to 10 Years Post-event 286
A3.4 Main Outcomes from General Practice Health Records 287
A3.4.1 Self-reported Symptoms and GP-reported Symptoms Immediately after the Disaster 287
A3.5 Lessons Learned 287
Acknowledgements 288
References 288
Appendix 4 - Case Study 4: The ANDE Fire, Paraguay, 2015 290
A.4.1 The Fire – Public Health and Environmental Concerns 290
A.4.2 The Expert Mission 292
A.4.3 Characterisation of the Affected Area 292
A.4.4 Evaluation of Immediate Response Measures 294
A.4.5 Characterisation of the Routes of Exposure 294
A.4.5.1 Potential Environmental Contamination 294
A.4.5.2 Exposure Pathways 296
A.4.6 Identification of Contaminants and Toxic Effects on Health 297
A.4.7 Results and Observations 298
A.4.8 Environmental Public Health 298
A.4.9 Conclusions and Recommendations from the Expert Mission 299
Acknowledgements 302
References 302
Subject Index 303