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Society For Risk Analysis Annual Meeting 2007
Risk 007: Agents of Analysis
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
T4-B |
| Chair(s): Janis Hulla |
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T4-B.1 16:00 The DoD Emerging Contaminants Initiative. Yaroschak P*; Emerging Contaminants Directorate, Office of the Under Secretary of Defense for Installations and Environment, Arlington, VA 22202 paul.yaroschak@osd.mil Abstract: Emerging Contaminants (ECs) are chemicals or materials of evolving regulatory interest. The Department of Defense developed an EC Initiative and created an ECs Directorate to deal with a host of EC issues. A three-tiered process has been developed for over-the-horizon scanning for ECs, conducting impact assessments in five DoD functional areas, and development of risk management options. This presentation will describe the scan-watch-action list process, impact assessment methodology, and integrated risk management concept. The presentation will also display the specific ECs on the DoD watch and action lists and results of impact assessments. DoD, EPA, and the Environmental Council of States (ECOS) have formed an EC Working Group. The group has identified a number of national policy issues requiring resolution and has prepared white papers on these issues. |
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T4-B.2 16:20 The Emerging Contaminants Directorate's Impact Assessment of the Draft EPA Human Health Risk Assesment for Naphthalene. Hulla J*; United States Army Corps of Engineers, Sacramento, CA 59814 janis.e.hulla@usace.army.mil Abstract: Naphthalene is one of the first emerging contaminants to be identified through the Directorate's new impact assessment process. The changing naphthalene regulatory environment includes a draft EPA risk assessment that if/when finalized, will change naphthalene's status from "possible" to "likely" human carcinogen. A potential consequence of such a status change is that jet fuel propellant 8 (JP8) will be classified as a human carcinogen based on its naphthalene component. Since JP8 is the single largest source of chemical exposure to DOD personnel, impact across major commands is anticipated. In this context, the Directorate is proactively evaluating health protective measures. The Directorate is cooperating with the Army Research Office to initiate a Small Business Innovative Research Request for Proposals (SBIR-RFP) through which a rugged deployable naphthalene dosimeter will be developed and marketed. |
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T4-B.3 16:40 Health Effects of sodium tungstate through in vitro and in vivo models. Chapman G*; Naval Health Research Center Detachment, Environmental Health Effects Lab, WPAFB Gail.Chapman@wpafb.af.mil Abstract: Aiming to establish and explore toxicity data for formulating risk characterization benchmarks, the effects of one of the environmental contaminants, sodium tungstate, on human health is revealed through in vitro and in vivo models. The survival, growth, and reproduction effect of this metal in parents and first generation pups in animal model will be explored. The regional uptake of sodium tungstate and its systemic distribution following exposure and the molecular mechanism that involved in causing genotoxicity at DNA and chromosomes levels are revealed through classic technology as biomarkers will be presented. |
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T4-B.4 17:00 Reducing Uncertainty in Toxicity Values of Royal Demolition Explosive (RDX). Major M*; United States Army Center for Health Promotion and Preventive Medicine, Health Effects Research Program, Aberdeen Proving Ground, MD michael.major@apg.amedd.army.mil Abstract: RDX is present in approximately 3,000 DOD munitions and is known to leach from soil to groundwater. The Army recently conducted rodent exposure experiments toward assessing RDX’s carcinogenic potency. These findings are generated to inform RDX risk assessment. |
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T4-B.5 17:20 Phase I Impact Assessments for Emerging Contaminants: Process and Results. Rak A*, Vogel C, Hutchens S, Glaccum W; 1, 2, 4) Noblis; 3) Army Center for Health Promotion and Preventative Medicine andrew.rak@noblis.org Abstract: The Department of Defense (DoD) is proactively addressing environmental, health, and safety concerns associated with materials that do not yet have established regulatory standards or that may be subject to new or more stringent regulatory standards. This includes materials used by the DoD or that are under development for the Department’s use. The DoD Emerging Contaminants (EC) Directorate has implemented an early warning and screening process to evaluate risks associated with emerging contaminants. The scanning part of the process consists of a regular review of the literature, periodicals, and regulatory communications to identify chemicals which have, or are likely to have, changing human health toxicity benchmarks or regulatory standards. These chemicals are screened to determine ECs that are, were or will be used by DoD. Following screening, impact assessments are conducted to identify the potential impacts of the ECs on specific DoD functional areas. The functional areas include operational areas such as munitions training and readiness as well as material availability and environmental cleanup concerns. Potential impacts to the Department are examined though the use of expert elicitation with technical personnel from various DoD organizations. During the past year, impact assessments were completed on fourteen ECs. The presentation reviews the impact assessment process and presents results for selected ECs to demonstrate the range of assessment results. |
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