Assessment of Exposure-Response Functions for Rocket-Emission Toxicants.
Clasificación: | Libro Electrónico |
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Autor principal: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Washington :
National Academies Press,
1998.
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Colección: | Online access: National Academy of Sciences National Academies Press.
Online access: NCBI NCBI Bookshelf. |
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Assessment of Exposure-Response Functions for Rocket-Emission Toxicants
- Copyright
- OTHER REPORTS OF THE BOARD ON ENVIRONMENTAL STUDIES AND TOXICOLOGY
- OTHER REPORTS OF THE COMMITTEE ON TOXICOLOGY
- PREFACE
- Contents
- ABBREVIATIONS
- SUMMARY
- DESCRIPTION OF THE LATRA MODEL
- THE SUBCOMMITTEE'S CONCLUSIONS AND RECOMMENDATIONS
- TOXICOLOGICAL DATA BASE
- IDENTIFICATION OF SENSITIVE SUBGROUPS
- DEFINITION OF SEVERITY OF EFFECTS
- STRUCTURE OF THE LATRA-ERF MODEL
- 1 INTRODUCTION
- DEVELOPMENT OF LATRA
- ORGANIZATION OF THIS REPORT
- 2 description of the launch area toxic risk analysis (latra) modeltoxicity of rocket emissions
- identification of sensitive populations
- definition of severity of effects
- selection of the exposure-response model and independent variable
- quantification of the exposure-response functions
- representation of uncertainties
- 3 subpopulations sensitive to air contamination
- literature review for sensitive subpopulations
- chemical-specific variation in human sensitivity
- hydrogen chloride
- nitrogen dioxide
- nitric acid
- ozone
- Sulfur dioxidelimitations of existing studies
- common risk-assessment practices for sensitive subpopulations
- defining sensitive populations
- conclusions and recommendations
- defining sensitive subgroups
- quantifying the degree of difference in sensitivity between sensitive and normal subgroups
- 4 effect severity
- precedent for severity descriptors
- severity of effect in toxicology
- epa definition of adverse effects
- american thoracic society definition of adverse effects
- latra's use of the term ''severity
- Conclusions and recommendations5 evaluation of the latra exposure-response functions
- the latra-erf model
- selection of independent variables
- choice of exposure-response model
- sensitive subgroups
- severity of effects
- exposure-response values
- representation of uncertainties
- other features of latra
- alternative approaches
- general considerations in dose-response models
- ordinal regression
- maximum entropy inference
- hazard-quotient-hazard-index approach
- conclusions and recommendations
- Selection of the independent variablechoice and quantification of exposure-response model
- sensitive subgroups
- severity of effects
- representation and propagation of uncertainties
- other features of latra
- 6 exposure-response functions for rocket-emission toxicants
- nitric acid
- healthy adults
- sensitive subjects
- hydrogen chloride
- mortality
- corneal opacity
- dose-response for mild, moderate, and serious effects
- nitrogen dioxide
- mortality
- airway responsiveness in humans
- continuous (nonquantal) measurements