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Suggested Citation:"Section 1 - Introduction." National Academies of Sciences, Engineering, and Medicine. 2013. Hazardous Materials Transportation Risk Assessment: State of the Practice. Washington, DC: The National Academies Press. doi: 10.17226/22544.
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4This final report presents the process and findings of a proj- ect documenting the current state of the practice for hazardous materials transportation risk assessment. The first phase of the project (Tasks 1-4) involves capturing the status of the current practice of hazardous materials transportation risk assessment, including current uses, existing models, and available data sources. The second phase of the project (Tasks 5-6) focuses on synthesizing the research compiled in Phase I and determining where gaps exist in available tools, techniques, and data. Phase II also includes presenting a path forward for addressing these gaps and supporting better risk assessments in the future. This report is organized into the following sections: • Section 2: Describes the methodology employed for research- ing the current state of the practice of hazardous materials transportation risk assessment. • Section 3: Presents the current state of the practice, includ- ing models, methodologies, approaches, and key sources of data used by public and private sectors. – Section 3.1: Identifies and describes relevant literature (Task 1). Further detail is provided for individual sources in Appendix A. – Sections 3.2 – 3.7: Identify and describe current approaches employed by shippers, carriers, govern- ment agencies, responders, risk managers, and aca- demics (Tasks 2 and 3). • Section 4: Characterizes distinct available models based on their uses, structure, inputs and outputs, strengths and weaknesses, and availability (Tasks 3 and 5). • Section 5: Presents an analysis and synthesis of the Phase I information, including gaps and recommenda- tions (Task 5). Throughout this document, the term “model” is used to refer not only to distinct mathematical risk models, but also various tools, procedures, and tactics used for assessing haz- ardous material transportation risks. This more inclusive def- inition of a model allows for a wide range of techniques, such as committee- and process-based methods, to be included in the review of currently employed models described in detail in Section 3. This report constitutes the deliverable for Task 5 of the project. S e c t i o n 1 Introduction

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TRB’s Hazardous Materials Cooperative Research Program (HMCRP) Report 12: Hazardous Materials Transportation Risk Assessment: State of the Practice documents the current practice for hazardous materials transportation risk assessment by government agencies and the private sector.

A PowerPoint presentation that describes the entire project is available.


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