Classifying drinking water contaminants for regulatory consideration
| Autor principal: | |
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| Autor Corporativo: | |
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Washington, D.C. :
National Academy Press
2001.
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| Edición: | 1st ed |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009622344106719 |
Tabla de Contenidos:
- ""Classifying Drinking Water Contaminants for Regulatory Consideration""; ""Copyright""; ""Preface""; ""Contents""; ""Executive Summary""; ""RECOMMENDED APPROACH FOR THE DEVELOPMENT OF FUTURE CCLS""; ""Two-Step Approach""; ""Sociopolitical Considerations""; ""Universe to PCCL""; ""PCCL to CCL""; ""Contaminant Attributes""; ""Developing and Implementing a Prototype Classification Approach""; ""IDENTIFYING AND ASSESSING EMERGING WATERBORNE PATHOGENS""; ""Virulence-Factor Activity Relationships""; ""Framework""; ""Feasibility""; ""VFAR Conclusions and Recommendations""
- ""1 Drinking Water Contaminant Candidate List: Past, Present, and Future""""INTRODUCTION""; ""DEVELOPMENT OF THE 1998 CCL""; ""IMPLEMENTATION STATUS OF THE 1998 CCL""; ""Research Plan for 1998 CCL""; ""LIMITATIONS OF THE FIRST CCL DEVELOPMENT PROCESS""; ""RELATED SDWA PROGRAMS""; ""National Drinking Water Contaminant Occurrence Database""; ""Unregulated Contaminant Monitoring Regulation""; ""IDENTIFYING AND SELECTING CONTAMINANTS FOR FUTURE CCLS""; ""PERSPECTIVE OF THIS REPORT""; ""2 Sociopolitical Considerations for Developing Future CCLs""; ""INTRODUCTION""
- ""LIMITATIONS OF THE FIRST CCL DEVELOPMENT PROCESS""""USE OF SOUND SCIENCE IN FUTURE REGULATORY DECISIONS""; ""NATURE OF THE TASK""; ""RISK PERCEPTION""; ""PROTECTION OF VULNERABLE SUBPOPULATIONS""; ""TRANSPARENCY AND PUBLIC PARTICIPATION""; ""Transparency""; ""Public Participation""; ""SUMMARY: CONCLUSIONS AND RECOMMENDATIONS""; ""3 The Universe of Potential Contaminants to the Preliminary CCL""; ""INTRODUCTION""; ""TWO-STEP APPROACH""; ""THE UNIVERSE OF POTENTIAL DRINKING WATER CONTAMINANTS""; ""DISTINGUISHING THE PCCL FROM THE UNIVERSE""; ""GUIDELINES FOR DEVELOPING SCREENING CRITERIA""
- ""Criteria for Potential and Demonstrated Health Effects""""Criteria for Potential and Demonstrated Occurrence""; ""FATE OF THE PCCL""; ""SUMMARY: CONCLUSIONS AND RECOMMENDATIONS""; ""4 PCCL to CCL: Attributes of Contaminants""; ""INTRODUCTION""; ""OVERVIEW OF CONTAMINANT ATTRIBUTES""; ""Severity""; ""Potency""; ""Prevalence""; ""Magnitude""; ""Persistence-Mobility""; ""LESSONS LEARNED IN APPLYING THESE CRITERIA""; ""Monitoring Data""; ""Potency Compared to Monitoring Data""; ""Severity""; ""Severity and Potency""; ""SUMMARY: CONCLUSIONS AND RECOMMENDATIONS""
- ""5 PCCL to CCL: Classification Algorithm""""INTRODUCTION""; ""OVERVIEW OF CLASSIFICATION SCHEMES""; ""Expert Judgments""; ""Rule-Based Methods""; ""Prototype Classification Methods""; ""Which Strategy to Use?""; ""ILLUSTRATIVE EXAMPLE OF A PROTOTYPE CLASSIFICATION SCHEME FOR CCL CONTAMINANTS""; ""The Training Data Set""; ""Attribute Scoring""; ""Prototype Classification Functions""; ""Classification Results Using a Linear Classifier""; ""Classification Results Using a Neural Network Classifier""; ""DEMONSTRATED USE OF THE TRAINED CLASSIFIER""; ""Examination of Misclassified Contaminants""
- ""Validation Test Cases""
