Table of contents : TOXICOLOGICAL PROFILE FOR CHLORINATED DIBENZO-p-DIOXINS......Page 1 CONTENTS......Page 14 DISCLAIMER......Page 2 UPDATE STATEMENT......Page 3 FOREWORD......Page 5 QUICK REFERENCE FOR HEALTH CARE PROVIDERS......Page 7 CONTRIBUTORS......Page 10 PEER REVIEW......Page 12 PAST PEER-REVIEWS......Page 13 LIST OF FIGURES......Page 18 LIST OF TABLES......Page 20 1.1 WHAT ARE CDDs?......Page 22 1.2 WHAT HAPPENS TO CDDs WHEN THEY ENTER THE ENVIRONMENT?......Page 24 1.3 HOW MIGHT I BE EXPOSED TO CDDs?......Page 26 1.4 HOW CAN CDDs ENTER AND LEAVE MY BODY?......Page 29 1.5 HOW CAN CDDs AFFECT MY HEALTH?......Page 30 1.6 HOW CAN CDDs AFFECT CHILDREN?......Page 34 1.7 HOW CAN FAMILIES REDUCE THE RISK OF EXPOSURE TO CDDs?......Page 35 1.8 IS THERE A MEDICAL TEST TO DETERMINE WHETHER I HAVE BEEN EXPOSED TO CDDS?......Page 36 1.9 WHAT RECOMMENDATIONS HAS THE FEDERAL GOVERNMENT MADE TO PROTECT HUMAN HEALTH?......Page 37 1.10 WHERE CAN I GET MORE INFORMATION?......Page 38 2.1 HUMAN STUDIES......Page 40 2.1.1 Death......Page 48 2.1.2 Systemic Effects......Page 49 2.1.3 Immunological Effects......Page 64 2.1.4 Neurological Effects......Page 68 2.1.5 Reproductive Effects......Page 71 2.1.6 Developmental Effects......Page 75 2.1.7 Genotoxic Effects......Page 78 2.1.8 Cancer......Page 79 2.2. ANIMAL STUDIES......Page 90 2.2.2 Oral Exposure......Page 92 2.2.2.1 Death......Page 93 2.2.2.2 Systemic Effects......Page 96 2.2.2.3 Immunological Effects......Page 183 2.2.2.4 Neurological Effects......Page 188 2.2.2.5 Reproductive Effects......Page 189 2.2.2.6 Developmental Effects......Page 191 2.2.2.7 Genotoxic Effects......Page 198 2.2.2.8 Cancer......Page 199 2.2.3.1 Death......Page 200 2.2.3.2 Systemic Effects......Page 201 2.2.3.6 Developmental Effects......Page 209 2.3 TOXICOKINETICS......Page 210 2.3.1.1 Inhalation Exposure......Page 211 2.3.1.2 Oral Exposure......Page 212 2.3.1.3 Dermal Exposure......Page 213 2.3.2 Distribution......Page 215 2.3.2.2 Oral Exposure......Page 216 2.3.2.3 Dermal Exposure......Page 219 2.3.3 Metabolism......Page 220 2.3.4 Elimination and Excretion......Page 221 2.3.4.2 Oral Exposure......Page 224 2.3.4.3 Dermal Exposure......Page 225 2.3.4.4 Transfer of CDDs Through the Placenta and Breast Milk......Page 226 2.3.5 Physiologically Based Pharmacokinetic (PBPK)/Pharmacodynamic (PD) Models......Page 233 2.3.5.1 Summary of PBPK Models.......Page 236 2.3.5.2 Comparison of PBPK Models for 2,3,7,8-TCDD.......Page 238 2.3.5.3 TCDD Models......Page 240 2.3.5.4 Risk Assessment.......Page 249 2.4.1 Pharmacokinetic Mechanisms......Page 250 2.4.2 Mechanisms of Toxicity......Page 253 2.4.3 Animal-To-Human Extrapolations......Page 269 2.5 RELEVANCE TO PUBLIC HEALTH......Page 275 2.6 CHILDREN’S SUSCEPTIBILITY......Page 335 2.7 BIOMARKERS OF EXPOSURE AND EFFECT......Page 340 2.7.1 Biomarkers Used to Identify or Quantify Exposure to CDDs......Page 341 2.7.2 Biomarkers Used to Characterize Effects Caused by CDDs......Page 344 2.8 INTERACTIONS WITH OTHER CHEMICALS......Page 345 2.10 METHODS FOR REDUCING TOXIC EFFECTS......Page 349 2.10.2 Reducing Body Burden......Page 350 2.11 ADEQUACY OF THE DATABASE......Page 352 2.11.1 Existing Information on Health Effects of CDDs......Page 353 2.11.2 Identification of Data Needs......Page 356 2.11.4 Ongoing Studies......Page 368 3.2 PHYSICAL AND CHEMICAL PROPERTIES......Page 380 4.1 PRODUCTION......Page 393 4.4 DISPOSAL......Page 395 5.1 OVERVIEW......Page 401 5.2 RELEASES TO THE ENVIRONMENT......Page 407 5.2.1 Air......Page 416 5.2.2 Water......Page 422 5.2.3 Soil......Page 426 5.3 ENVIRONMENTAL FATE......Page 427 5.3.1 Transport and Partitioning......Page 428 5.3.2.1 Air......Page 448 5.3.2.2 Water......Page 449 5.3.2.3 Sediment and Soil......Page 452 5.4.1 Air......Page 455 5.4.2 Water......Page 460 5.4.3 Sediment and Soil......Page 463 5.4.4 Other Environmental Media......Page 472 5.5.1 General Population......Page 494 5.5.2 Occupational Exposure......Page 509 5.6 EXPOSURES OF CHILDREN......Page 512 5.7 POPULATIONS WITH POTENTIALLY HIGH EXPOSURES......Page 521 5.8 ADEQUACY OF THE DATABASE......Page 534 5.8.1 Identification of Data Needs......Page 535 5.8.2 Ongoing Studies......Page 539 6.1 BIOLOGICAL SAMPLES......Page 544 6.2 ENVIRONMENTAL SAMPLES......Page 559 6.3.1 Identification of Data Needs......Page 563 6.3.2 Ongoing Studies......Page 565 7. REGULATIONS AND ADVISORIES......Page 566 8. REFERENCES......Page 581 Case Report......Page 711 Immediately Dangerous to Life or Health (IDLH)......Page 712 Modifying Factor (MF)......Page 713 Pharmacokinetic Model......Page 714 Reportable Quantity (RQ)......Page 715 ATSDR MINIMAL RISK LEVELS AND WORKSHEETS......Page 716 MRL WORKSHEET......Page 718 ATSDR POLICY GUIDELINE: DIOXIN AND DIOXIN-LIKE COMPOUNDS IN SOIL......Page 726 POLICY GUIDELINE......Page 727 BACKGROUND FOR POLICY GUIDELINE......Page 731 WHERE TO FIND MORE INFORMATION......Page 734 REFERENCES......Page 735 APPENDIX 1 - GLOSSARY......Page 736 USER'S GUIDE......Page 738 ACRONYMS, ABBREVIATIONS, AND SYMBOLS......Page 746