Table of Contents

 

 

 

 

Preface

xv

 

Contributors

xvii

1

Introduction and Background

1

1.1

Characterization of Chemical Contaminants

2

1.2

Human Exposures and Dosimetry

7

1.3

Chemical Exposures and Dose to Target Tissues

8

1.4

Concentration of Toxic Chemicals in Human Microenvironments

9

1.5

Inhalation Exposures and Respiratory Tract Effects

12

1.6

Ingestion Exposures and Gastrointestinal Tract Effects

18

1.7

Skin Exposure and Dermal Effects

19

1.8

Absorption through Membranes and Systemic Circulation

20

1.9

Accumulation in Target Tissues and Dosimetric Models

21

1.10

Indirect Measures of Past Exposures

22

1.11

Characterization of Health

23

1.12

Exposure–Response Relationships

25

1.13

Study Options for Health Effects Studies

31

 

References

35

2

Perspectives on Individual and Community Risks

39

2.1

Nature of Risk

39

2.2

Identification and Quantification of Risks

41

2.3

Risk Communication

46

2.4

Risk Reduction

49

 

References

52

3

Reducing Risks—An Environmental Engineering Perspective

55

3.1

Introduction

55

3.2

Environmental Risk-Based Decision Making

56

3.3

Applications and Use

60

3.4

Recent Information

67

3.5

Integrated Assessments

71

3.6

Summary

72

 

References

73

4

Clinical Perspective on Respiratory Toxicology

77

4.1

Concepts of Exposure

78

4.2

Tools for Studying Individuals

79

4.3

Tools for Studying Populations

88

4.4

Cardiovascular Responses

95

4.5

Limitations of Clinical and Epidemiological Assessments of the Effects of Inhaled Agents

96

4.6

Advice and Counseling of Patients

97

4.7

Summary

99

 

References

100

5

Industrial Perspectives: Translating the Knowledge Base into Corporate Policies, Programs, and Practices for Health Protection

107

5.1

The Life Cycle of a Chemical: Many Points for Possible Intervention

108

5.2

The Knowledge Base for the Identification of Hazard Control Strategies

109

5.3

Industrial Hygiene and Occupational Health Programs: Implementing the Knowledge Base

111

5.4

Product Stewardship

114

5.5

Responsible Care®

117

5.6

Concluding Perspective

119

6

Drinking Water Disinfection By-Products

121

6.1

Introduction

121

6.2

Chemical Methods of Disinfection

122

6.3

Chemical Nature and Occurrence of Disinfectant By-Products

124

6.4

Associations of Human Disease with Drinking Water Disinfection

132

6.5

General Toxicological Properties of Disinfectants

144

6.6

General Toxicological Properties of Disinfectant By-Products

145

6.7

Carcinogenic Properties of Disinfectants

154

6.8

Carcinogenic By-Products of Disinfectants

154

6.9

Effects of Disinfectants and their By-Products on Reproduction

165

6.10

Effects on Development

168

6.11

By-Products of Potential Interest

170

6.12

Summary and Conclusions

172

 

Glossary

174

 

References

176

7

Food

197

7.1

Introduction

197

7.2

Legal and Regulatory Framework in the United States

201

7.3

Toxicity Test Requirements and Safety Criteria

203

7.4

Substances Intentionally Added to Food

208

7.5

Food Contaminants of Industrial Origin

216

7.6

Constituents and Contaminants of Natural Origin

219

7.7

Food Safety in the European Union

229

7.8

Summary and Conclusion

234

 

Acronyms

235

 

References

235

8

Volatile Organic Compounds and Sick Building Syndrome

241

8.1

Introduction

241

8.2

Prevalence of Exposures to Volatile Organic Compounds

242

8.3

Health and Volatile Organic Compounds

245

8.4

Prevalence of the Sick Building Syndrome

247

8.5

Dose–Response Relationships for Health Effects Caused by Low-Level VOC Exposure

249

8.6

Guidelines for Volatile Organic Compounds in Nonindustrial Indoor Environments-Principles for Establishment of Guidelines

251

 

References

254

9

Formaldehyde and Other Aldehydes

257

9.1

Background

257

9.2

Single-Exposure Health Effects

269

9.3

Effects of Multiple Exposures

281

 

References

292

10

Ambient Air Particulate Matter

317

10.1

Sources and Pathways for Human Exposure

318

10.2

Ambient Air PM Concentrations

323

10.3

Extent of Population Exposures to Ambient Air PM

326

10.4

Nature of the Evidence for Human Health Effects of Ambient Air PM

328

10.5

Epidemiological Evidence for Human Health Effects of Ambient Air PM

329

10.6

Discussion and Current Knowledge on the Health Effects of PM

354

10.7

Standards and Exposure Guidelines

356

 

References

359

11

Arsenic

367

11.1

Introduction

367

11.2

Physical and Chemical Properties of Environmental as and its Compounds

368

11.3

Environmental Exposures to the General Population: Sources and Standards

371

11.4

Pathways and Kinetics for in vivo Uptake, Distribution, and Elimination

374

11.5

As Essentiality

375

11.6

Health Effects and Exposure–Response Relationships

376

11.7

Biomarkers of Exposure, Susceptibility, and Effect

380

11.8

Mitigating Effects and Controlling Exposures

381

 

References

383

12

Asbestos and Other Mineral and Vitreous Fibers

395

12.1

Important Special Properties of Fibers

395

12.2

Exposures to Fibers

399

12.3

Fiber Deposition in the Respiratory Tract

402

12.4

Fiber Retention, Translocation, Disintegration, and Dissolution

404

12.5

Properties of Fibers Relevant to Disease

413

12.6

Fiber-Related Diseases/Processes

413

12.7

Review of Biological Effects of Size-Classified Fibers in Animals and Humans

415

12.8

Critical Fiber Parameters Affecting Disease Pathogenesis

420

12.9

Exposure–Response Relationships for Asbestos-Related Lung Cancer and Mesothelioma: Human Experience

429

12.10

Risk Assessment Issues

438

12.11

Key Factors Affecting Fiber Dosimetry and Toxicity: Recapitulation and Synthesis

443

 

Acknowledgments

446

 

Acronyms

446

 

References

446

13

Benzene

459

13.1

Benzene Exposure

460

13.2

Uptake

462

13.3

Metabolism and Disposition

462

13.4

Mechanisms of Toxicity

471

13.5

Risk Assessment

482

 

References

486

14

Carbon Monoxide

499

14.1

Introduction

499

14.2

CO Exposure and Dosimetry

500

14.3

Mechanisms of CO Toxicity

501

14.4

Populations at Risk of Health Effects Due to CO Exposure

502

14.5

Regulatory Background

503

14.6

Health Effects of CO

505

14.7

Summary and Conclusions

515

 

Acknowledgments

517

 

References

517

15

Chromium

529

15.1

Introduction

529

15.2

Essentiality

529

15.3

Environmental Exposures

530

15.4

Toxicological Effects

535

15.5

Exposure Guidelines and Standards

543

 

References

544

16

Diesel Exhaust

551

16.1

Historical Overview

551

16.2

Composition of Diesel Exhaust

553

16.3

Exposures to Diesel Exhaust

559

16.4

Health Effects

561

16.5

Current Issues

609

 

Acknowledgments

613

 

References

613

17

Dioxins and Dioxin-Like Chemicals

633

17.1

Introduction

633

17.2

Sources

634

17.3

Toxicological Effects and Mechanisms of Action

640

17.4

Mechanisms of Action

643

 

References

651

18

Endocrine Active Chemicals: Broadening the Scope

661

18.1

Introduction

661

18.2

Biomarkers: Terminology from Various Disciplines

664

18.3

End Points and Clinical Signs Associated with Endocrine Activity

666

18.4

Environmental Chemicals and End Points: Case Examples

675

18.5

Developmental Origins of Health and Disease

681

18.6

Transgenerational Effects

684

18.7

Conclusion

686

 

References

687

19

Secondhand Smoke

703

19.1

Exposure to Secondhand Smoke

705

19.2

Health Effects of Involuntary Smoking in Children

711

19.3

Health Effects of Involuntary Smoking in Adults

722

19.4

SHS and Coronary Heart Disease

730

19.5

Respiratory Symptoms and Illnesses in Adults

734

19.6

Summary

740

 

References

741

20

Lead and Compounds

757

20.1

Introduction

757

20.2

Physical/Chemical Properties and Behavior of Lead and its Compounds

758

20.3

Lead in the Environment and Human Exposure

761

20.4

Lead Absorption

766

20.5

Distribution

771

20.6

Kinetics

774

20.7

Biomarkers

781

20.8

Health Effects

785

20.9

Mechanisms Underlying Lead Toxicity

792

20.10

Treatment of Lead Toxicity

796

 

References

798

21

Mercury

811

21.1

Introduction

811

21.2

Chemistry

811

21.3

Sources

812

21.4

Environmental Exposures

813

21.5

Occupational Exposures

815

21.6

Kinetics and Metabolism

816

21.7

Health Effects

818

21.8

Prevention

820

 

References

821

22

Nitrogen Oxides

823

22.1

Introduction

823

22.2

Sources

823

22.3

Nitrogen Dioxide

824

22.4

Nitric Oxide

845

22.5

Nitric/Nitrous Acid

848

22.6

Inorganic Nitrates

849

 

References

851

23

Ozone

869

23.1

Introduction

869

23.2

Background on Exposures and Health-Related Effects

873

23.3

Effects of Short-Term Exposures to Ozone in Humans

877

23.4

Factors Affecting the Variability of Responsiveness in Humans

890

23.5

Studies of Populations Exposed to Ozone in Ambient Air

892

23.6

Effects Observed in Studies in Laboratory Animals

900

23.7

Determinants of Responsiveness to Ozone Exposures in Animal Studies

901

23.8

Effects of Multiple Day and Ambient Episode Exposures

908

23.9

Chronic Effects of Ambient Ozone Exposures

910

23.10

Ambient Air Quality Standards and Guidelines

917

23.11

Summary and Conclusions

920

 

Acknowledgment

922

 

References

922

24

Pesticides

937

24.1

Evolving Patterns of Pesticide Use

938

24.2

Export of Hazardous Pesticides

939

24.3

Exposure to Pesticides

939

24.4

Epidemiology of Acute Pesticide Poisoning

942

24.5

Toxicity of Pesticides

943

24.6

Pesticides and Endocrine/Reproductive Toxicity

949

24.7

Pesticides and Childhood Cancer

950

24.8

Legislative Framework

950

24.9

Conclusion: Issues for the Future

952

 

References

953

25

Sulfur Oxides—SO2, H2SO4, NH4HSO4, and (NH4)2SO4

957

25.1

Sources and Exposures

957

25.2

Health Effects

961

25.3

Ambient Air Quality Standard and Guidelines

989

 

Acknowledgments

991

 

References

991

26

Microwaves and Electromagnetic Fields

1001

26.1

Background

1003

26.2

Philosophical Approaches

1004

26.3

Standards Development

1005

26.4

Current Developments

1010

26.5

Protective Measures

1012

26.6

Conclusions

1014

26.7

Glossary

1015

 

References

1016

27

Sources, Levels and Effects of Manmade Ionizing Radiation and Radioactivity

1021

27.1

Source Documents

1021

27.2

Special Units

1022

27.3

Sources of Manmade Radioactivity and Radiation

1024

27.4

Nuclear Fuel Cycle

1025

27.5

Discussion of Radiation Doses from the Nuclear Fuel Cycle

1038

27.6

Nuclear Weapons Complex

1043

27.7

Local, Tropospheric, and Global Fallout

1048

27.8

Medical Exposures

1050

27.9

Industrial Uses (Other than the Nuclear Fuel Cycle)

1054

27.10

Consumer Products

1055

27.11

Overview of Potential Health Impacts of Natural and Manmade Sources of Radioactivity

1057

 

References

1066

28

Noise: Its Effects and Control

1071

28.1

Definitions of Sound and Noise

1071

28.2

Noise Exposure is Widespread and Annoying

1072

28.3

Effects of Loud Sounds and Noise on Hearing

1075

28.4

Noise as a Stressor

1076

28.5

Noise and Sleep Interference

1077

28.6

Noise and Mental Health

1077

28.7

Noise Affects Children’s Cognitive, Language and Learning Skills

1078

28.8

Impacts of Low-Frequency Noise

1079

28.9

Civility, Responsibility, and Noise

1079

28.10

Controlling Noise

1080

28.11

Education and Public Awareness

1084

28.12

Summary

1084

 

References

1085

29

Radon and Lung Cancer

1089

29.1

Radon and Lung Cancer

1089

29.2

Outdoor Radon

1093

29.3

Indoor Radon

1097

29.4

The Other Radon, 220Rn, Thoron

1100

29.5

Radon Epidemiology in Underground Mines

1100

29.6

Residential Epidemiology

1102

29.7

Lung Dosimetry

1104

29.8

Lung Cancer Models for Humans

1107

29.9

Childhood Exposure

1113

29.10

Animal Studies

1114

29.11

Smoking and Radon

1114

29.12

Summary

1115

 

References

1116

30

Ultraviolet Radiation

1121

30.1

Introduction

1121

30.2

Pathways for Human Exposure

1122

30.3

Sources of Ultraviolet Radiation

1124

30.4

Biological Mechanisms Leading to Health Effects

1135

30.5

Ocular Effects

1135

30.6

Nonmalignant Skin Effects

1138

30.7

Skin Cancer

1140

30.8

Malignant Melanoma

1142

30.9

Immune System Effects

1146

30.10

Populations at Special Risk: Ocular Damage

1147

30.11

Populations at Special Risks: Skin Effects

1148

30.12

Applicable Standards and Exposure Guidelines

1150

30.13

Techniques for Evaluating Actual or Potential Exposures

1152

30.14

Summary

1156

 

References

1157

 

Index

1163