Comparative dosimetry of radon in mines and homes
| Autor Corporativo: | |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Washington, D.C. :
National Academy Press
1991.
|
| Edición: | 1st ed |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009820323506719 |
Tabla de Contenidos:
- Comparative Dosimetry of Radon in Mines and Homes
- Copyright
- Preface
- CHARGE TO THE COMMITTEE
- ORGANIZATION OF THE STUDY
- ORGANIZATION OF THE REPORT
- ACKNOWLEDGMENTS
- Contents
- Summary and Recommendations
- RECOMMENDATIONS FOR FURTHER RESEARCH AND ANALYSIS
- REFERENCES
- 1 Introduction
- CONCENTRATION, EXPOSURE, AND DOSE
- RISK ASSESSMENT FOR INDOOR RADON
- SUMMARY
- REFERENCES
- 2 Assessment of Exposure to the Decay Products of 222Rn in Mines and Homes
- INTRODUCTION
- BACKGROUND
- MEASUREMENT METHODS
- EXPOSURE TO RADON PROGENY
- Mine Atmospheres
- Indoor Atmospheres
- REFERENCES
- 3 Extrapolation of Doses and Risk per Unit Exposure from Mines to Homes
- INTRODUCTION
- REPRESENTATIVE EXPOSURE CONDITIONS
- Radon Progeny Aerosols
- BREATHING RATES AND CALCULATION OF DOSE PER UNIT EXPOSURE
- COMPARATIVE DOSES FROM RADON PROGENY IN MINES AND HOMES
- Target Cells in Bronchial Epithelium
- LOCALIZED VERSUS REGIONAL DOSES
- INFLUENCE OF MODELING UNCERTAINTIES
- DOSES TO ADULT FEMALES
- DOSES TO CHILDREN AND INFANTS
- VARIABILITY OF THE DOSE CONVERSION COEFFICIENT IN HOMES
- EFFECTS OF AIRWAY DISEASE ON DOSE
- COMPARATIVE DOSES FROM RADON AND THORON PROGENY
- SUMMARY OF DOSIMETRIC RISK EXTRAPOLATION FACTORS
- REFERENCES
- 4 Other Considerations
- BIOLOGICAL FACTORS
- GENDER
- AGE, GROWTH, AND INJURY IN RELATION TO CELL PROLIFERATION
- AGE
- CELL PROLIFERATION
- DOSE RATE, FRACTIONATION, AND DURATION OF EXPOSURE
- TISSUE DAMAGE
- CIGARETTE SMOKING
- REFERENCES
- 5 Dosimetry and Dosimetric Models for Inhaled Radon and Progeny
- SOME PHYSICAL CHARACTERISTICS OF RADON AND RADON PROGENY
- MORPHOMETRIC MODELS OF THE RESPIRATORY TRACT
- HEAD AIRWAY MORPHOMETRY
- TRACHEOBRONCHIAL AIRWAY MORPHOMETRY
- RESPIRATORY AIRWAY MORPHOMETRY
- DEPOSITION MODELS OF THE RESPIRATORY TRACT.
- CLEARANCE MODELS OF THE RESPIRATORY TRACT
- DOSIMETRY MODELS OF THE RESPIRATORY TRACT
- REFERENCES
- 6 Aerosols in Homes and Mines
- RELATIONSHIP BETWEEN PARTICLE SIZE AND DIFFUSION COEFFICIENT
- Penetration of Aerosols Through a Tube
- Deposition of Ultrafine Particles onto Wire Screens
- MEASUREMENT METHODS FOR UNATTACHED FRACTION
- Diffusion Sampler
- Wire Screen Samplers
- REVIEW OF PAST UNATTACHED FRACTION MEASUREMENTS IN MINE ATMOSPHERES
- Diffusion Sampler Measurements
- Wire Screen Measurements
- Summary of Mining Exposure
- INDOOR ATMOSPHERES
- Diffusion Sampler Measurements
- Wire Screen Measurements
- ACTIVITY-WEIGHTED SIZE DISTRIBUTIONS
- Summary of Indoor Exposure
- REFERENCES
- 7 Breathing, Deposition, and Clearance
- INTRODUCTION
- DEPOSITION OF RADON PROGENY: GENERAL PRINCIPLES
- FACTORS ACTING TO DEPOSIT PARTICLES IN THE LUNGS
- Diffusional
- Gravitational
- Inertia
- Other Forces
- Aerosol Characteristics
- Breathing Pattern
- Anatomy of the Respiratory System
- CLEARANCE OF RADON PROGENY: GENERAL PRINCIPLES
- Mucociliary Transport
- Nonciliated Regions
- Cough
- DIFFERENCES BETWEEN WORKERS AND THE PUBLIC
- Anatomic Variations
- Breathing Pattern
- Activity Level and Exercise
- Oral Versus Nasal Breathing
- OTHER MODIFYING FACTORS INFLUENCING DEPOSITION AND/OR CLEARANCE OF RADON PROGENY
- Preexisting Disease
- Smoking
- OTHER CHARACTERISTICS OF WORKERS AND THE PUBLIC
- Occupancy Data
- Ethnic Differences
- Altitude
- Species Differences
- CONCLUSIONS
- REFERENCES
- 8 Cells of Origin for Lung Cancer
- OVERVIEW
- STRUCTURE OF THE LUNG
- PATHOLOGY OF LUNG CANCER
- BASIC CONCEPTS OF LUNG CANCER DEVELOPMENT
- Multistep Process of Lung Cancer Development
- Genetic and Chromosomal Alterations in Lung Cancer
- CELLS FROM WHICH LUNG CANCERS DEVELOP.
- TYPES AND INCIDENCE OF LUNG CANCER IN URANIUM MINERS
- DISCUSSION
- REFERENCES
- 9 The Committee's Dosimetric Model for Radon and Thoron Progeny
- INTRODUCTION
- DOSIMETRIC ASSUMPTIONS AND MODEL
- CLEARANCE MODEL
- DEPOSITION MODEL
- NASAL AND ORAL FILTRATION
- Definition of Exposure and Reference Breathing Rates
- Contributions of Individual Radon Progeny to the WLM
- Contributions of Individual Thoron Progeny to the WLM
- Reference Breathing Rates
- Exposure-Dose Conversion Coefficients
- Influence of Aerosol Size, Clearance Behavior, and Target Cells
- Influence of Exercise
- Influence of Age and Gender
- Influence of Airway Disease
- REFERENCES
- Index.
