TOXICOLOGICAL PROFILE FOR POLYCHLORINATED BIPHENYLS

13,3
MB (PCBs)

948
stron

3458
ID Agency for Toxic Substances and Disease Registry

2002
rok

CONTENTS

FOREWORD v

QUICK REFERENCE FOR HEALTH CARE PROVIDERS vii

CONTRIBUTORS ix

PEER REVIEW xi

LIST OF FIGURES xix

LIST OF TABLES xxi

1. PUBLIC HEALTH STATEMENT 1

1.1 WHAT ARE POLYCHLORINATED BIPHENYLS? 1

1.2 WHAT HAPPENS TO POLYCHLORINATED BIPHENYLS WHEN THEY ENTER THE

ENVIRONMENT? 2

1.3 HOW MIGHT I BE EXPOSED TO POLYCHLORINATED BIPHENYLS? 3

1.4 HOW CAN POLYCHLORINATED BIPHENYLS ENTER AND LEAVE MY BODY? 5

1.5 HOW CAN POLYCHLORINATED BIPHENYLS AFFECT MY HEALTH? 5

1.6 HOW CAN POLYCHLORINATED BIPHENYLS AFFECT CHILDREN? 7

1.7 HOW CAN FAMILIES REDUCE THE RISK OF EXPOSURE TO POLYCHLORINATED

BIPHENYLS? 9

1.8 IS THERE A MEDICAL TEST TO DETERMINE WHETHER I HAVE BEEN EXPOSED TO

POLYCHLORINATED BIPHENYLS? 10

1.9 WHAT RECOMMENDATIONS HAS THE FEDERAL GOVERNMENT MADE TO PROTECT

HUMAN HEALTH? 11

1.10 WHERE CAN I GET MORE INFORMATION? 12

2. RELEVANCE TO PUBLIC HEALTH 15

2.1 Background and Environmental Exposures to PCBs in the United States 15

2.2 Summary of Health Effects 16

2.3 Minimal Risk Levels 27

3. HEALTH EFFECTS 33

3.1 INTRODUCTION 33

3.2 DISCUSSION OF HEALTH EFFECTS 90

3.2.1 Death 90

3.2.1.1 Human Studies 90

3.2.1.2 Animal Studies 90

3.2.2 Systemic Effects 92

3.2.2.1 Respiratory 92

3.2.2.1.1 Human Studies 92

3.2.2.1.2 Animal Studies 94

3.2.2.2 Cardiovascular 94

3.2.2.2.1 Human Studies 94

3.2.2.2.2 Animal Studies 96

3.2.2.3 Gastrointestinal 97

3.2.2.3.1 Human Studies 97

3.2.2.3.2 Animal Studies 98

3.2.2.4 Hematological 99

3.2.2.4.1 Human Studies 99

3.2.2.4.2 Animal Studies 100

3.2.2.5 Musculoskeletal 102

3.2.2.5.1 Human Studies 102

3.2.2.5.2 Animal Studies 102

3.2.2.6 Hepatic Effects 103

3.2.2.6.1 Summary 103

3.2.2.6.2 Human Studies 103

3.2.2.6.2.1 Liver Enzymes, Enlargement, and Pathology 103

3.2.2.6.2.2 Serum Lipids, Triglycerides, and Cholesterol 106

3.2.2.6.2.3 Porphyria 108

3.2.2.6.2.4 Evaluation of Human Studies 108

3.2.2.6.3 Animal Studies 110

3.2.2.6.3.1 Liver Enzymes, Enlargement, and Pathology 110

3.2.2.6.3.2 Serum Lipids, Triglycerides, and Cholesterol 116

3.2.2.6.3.3 Porphyria 118

3.2.2.6.3.4 Other Hepatic Effects 119

3.2.2.6.3.5 Evaluation of Animal Studies 119

3.2.2.7 Renal Effects 120

3.2.2.7.1 Human Studies 120

3.2.2.7.2 Animal Studies 120

3.2.2.8 Endocrine Effects 122

3.2.2.8.1 Summary 122

3.2.2.8.2 Human Studies 123

3.2.2.8.3 Animal Studies 126

3.2.2.9 Dermal Effects 136

3.2.2.9.1 Summary 136

3.2.2.9.2 Human Studies 136

3.2.2.9.2.1 Occupational Exposure 136

3.2.2.9.2.2 Accidental Exposure 137

3.2.2.9.2.3 Evaluation of Human Studies 138

3.2.2.9.3 Animal Studies 139

3.2.2.9.4 Evaluation of Animal Studies 140

3.2.2.10 Ocular Effects 141

3.2.2.10.1 Summary 141

3.2.2.10.2 Human Studies 141

3.2.2.10.2.1 Occupational Exposure 141

3.2.2.10.2.2 Accidental Exposure 142

3.2.2.10.2.3 Evaluation of Human Studies 142

3.2.2.10.3 Animal Studies 143

3.2.2.10.4 Evaluation of Animal Studies 144

3.2.2.11 Body Weight Effects 144

3.2.2.11.1 Human Studies 144

3.2.2.11.2 Animal Studies 144

3.2.2.12 Other Systemic Effects 146

3.2.3 Immunological and Lymphoreticular Effects 146

3.2.3.1 Summary 146

3.2.3.2 Human Studies 147

3.2.3.3 Animal Studies 153

3.2.3.3.1 Inhalation Exposure 153

3.2.3.3.2 Oral Exposure 153

3.2.3.3.3 Dermal Exposure 161

3.2.3.3.4 Other Routes of Exposure 161

3.2.3.3.5 Evaluation of Animal Studies 162

3.2.4 Neurological Effects 165

3.2.4.1 Summary 165

3.2.4.2 Human Studies 166

3.2.4.2.1 Neurobehavioral Effects 166

3.2.4.2.1.1 Contaminated Fish Consumption 166

3.2.4.2.1.2 General Population Exposure 173

3.2.4.2.1.3 Occupational Exposure 182

3.2.4.2.1.4 Accidental Exposure 183

3.2.4.2.2 Neurophysiological Effects 184

3.2.4.2.3 Evaluation of Human Studies 184

3.2.4.3 Animal Studies 188

3.2.4.3.1 Neurobehavioral Effects 188

3.2.4.3.2 Neurochemical Effects 195

3.2.4.3.3 Other Neurological Effects 198

3.2.4.3.4 Evaluation of Animal Studies 199

3.2.5 Reproductive Effects 202

3.2.5.1 Summary 202

3.2.5.2 Human Studies 203

3.2.5.2.1 Female Reproductive Effects 203

3.2.5.2.2 Male Reproductive Effects 209

3.2.5.2.3 Evaluation of Human Studies. 212

3.2.5.3 Animal Studies 215

3.2.5.3.1 Female Reproductive Effects 215

3.2.5.3.2 Male Reproductive Effects 222

3.2.5.3.3 Evaluation of Animal Studies 225

3.2.6 Developmental Effects 227

3.2.6.1 Summary 227

3.2.6.2 Human Studies 229

3.2.6.2.1 Growth and Development 229

3.2.6.2.1.1 Contaminated Fish Consumption 229

3.2.6.2.1.2 General Population Exposure 234

3.2.6.2.1.3 Occupational Exposure 237

3.2.6.2.1.4 Accidental Exposure 238

3.2.6.2.2 Evaluation of Human Studies 238

3.2.6.3 Animal Studies 241

3.2.6.3.1 Birth Weight and Early Development 241

3.2.6.3.2 Evaluation of Animal Studies 245

3.2.7 Genotoxic Effects 246

3.2.7.1 Summary 246

3.2.7.2 In Vivo Studies 246

3.2.7.3 In Vitro Studies 249

3.2.7.4 Evaluation of Genotoxicity Studies 249

3.2.8 Cancer 251

3.2.8.1 Summary 251

3.2.8.2 Human Studies 251

3.2.8.2.1 Liver, Biliary Tract, and Gall Bladder 251

3.2.8.2.2 Gastrointestinal Tract 256

3.2.8.2.3 Rectum 257

3.2.8.2.4 Skin 258