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Society For Risk Analysis Annual Meeting 2008

Risk Analysis: the Science and the Art

Session Schedule & Abstracts

* Disclaimer: All presentations represent the views of the authors, and not the organizations that support their research. Please apply the standard disclaimer that any opinions, findings, and conclusions or recommendations in abstracts, posters, and presentations at the meeting are those of the authors and do not necessarily reflect the views of any other organization or agency. Meeting attendees and authors should be aware that this disclaimer is intended to apply to all abstracts contained in this document. Authors who wish to emphasize this disclaimer should do so in their presentation or poster. In an effort to make the abstracts as concise as possible and easy for meeting participants to read, the abstracts have been formatted such that they exclude references to papers, affiliations, and/or funding sources. Authors who wish to provide attendees with this information should do so in their presentation or poster.

Common abbreviations

Use of risk assessment in risk management

Room: Commonwealth A   2:00 - 3:30 PM

Chair(s): Smita Siddhanti

W3-D.1  14:00  Case studies: Use of risk assessment in risk management at five contaminated sites (Washington DC, WA, CA, NJ & WI). Camera F*; State Government

Abstract: A discussion in regards to the information collected for each case study will be presented first. The Risk Team developed a data collection form to ensure that a consistent framework was used for the case studies. The information collected dealt with background information, sampling strategies employed, pertinent risk questions, etc. Summaries of all five cases examined will be the next discussion topic. And finally, the presentation will conclude with lessons, individual as well as collective, learned from all the case studies.

W3-D.2  14:20  Insights on use and implementation of risk-based criteria at sites by various state regulators. Mora-Applegate L, Siddhanti S*; State Government, EnDyna Inc.

Abstract: A hypothetical case study was constructed to present as simple a site as possible that would still allow some insight and comparison into how risk-based corrective actions are implemented at various states and how they deal with similar complications, such as soil data and its inherent variability, use and implementation of soil criteria, land use scenarios, interpretation of sampling results, comparison to risk screening criteria or cleanup values, exposure unit size, risk management options. Participating State representatives completed a review of a hypothetical case study - a former skeet range sampled at 76 locations for lead. Soil samples were taken at 0 to 6 inches and 6 to 12 inches at each sampling location and analyzed by US EPA method 6010/6020. The hypothetical project is proposed to be developed into six residential lots. The sampling locations were provided in a plot map along with the layout of the proposed development and a conceptual site model. Because of this, the participants answered several questions in the prospective mode - describing what options might be acceptable, and what the requirements (sampling, removal, engineering controls, institutional controls etc.) might be for those options. Lessons learned and results from this exercise provide a useful insight for risk management.

W3-D.3  14:40  Regulator, stakeholder, and end-user perspectives on use of risk assessment in risk management. Frantzen KA*; Consultant

Abstract: The ITRC overview document presented the results of case studies to elucidate the influence of risk practices and assessment approaches of state regulatory agencies on risk management outcomes. Additionally, team members (regulators, stakeholders and end-users [the regulated]) contributed suggestions for improving the use of risk assessment from their particular perspectives. The issues and perspectives brought out elaborated on the findings arising from the case studies and supported the conclusions reached. The talk will highlight the perspectives raised in light of the case study findings and their contribution to the proposed recommendations by this ITRC team. Additionally, the case study approach allowed this ITRC Team to diagnose the sources of variation in risk assessment leading to differences in risk management outcomes. This resulted in guidance recommendations concerning identification of likely sources of variation and concerning the site assessment/remediation process to assure transparency and predictability via systematic project planning principles.

W3-D.4  15:00  Recommendations for improving risk assessment to be useful in risk management. Meyer AK, Siddhanti S*, Frantzen KA; Department of Defense, EnDyna Inc., Consultant

Abstract: This presentation will focus on conclusions of the ITRC Risk Assessment Resources team overview document titled Use of Risk Assessment in Management of Contaminated Sites. Key findings of the document will be presented and factors of variance that impact risk assessment findings will be discussed. Recommendations for improving the practice and implementation of risk assessment in managing hazardous waste sites will be presented.

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