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ID: MB1650

PhD, Biology

20+ years experience
USA

About

He is a senior toxicologist and risk assessment specialist with 20 years of professional editorial experience. He has published numerous papers and abstracts and continues to present papers and lectures on toxicology and risk assessment at technical meetings and local universities. He is professionally affiliated with the Society of Toxicology, Society for Risk Analysis and Society of Environmental Chemistry and Toxicology.

Areas of expertise

Biology, Industrial and Environmental Toxicology, Biological Sciences

Education

PhD, Biology, University of Oregon
MS, Industrial and Environmental Toxicology, Thomas Jefferson University
MA, Biology, University of Oregon
BA, Biological Sciences, University of California, Santa Barbara

Publication experience

Can BSAF be Used Successfully to Help Set Sediment Remediation Goals? Presented at the Eight International Conference on Remediation and Management of Contaminated Sediments. New Orleans, LA. January 2015.
Challenges in Identifying Upstream Background Locations. Presented at the Eight International Conference on Remediation and Management of Contaminated Sediments. New Orleans, LA. January 2015.
TCE, Vapor Intrusion, and Risk Management: A Case Study. Presented at the annual national conference of the Society of Toxicology. Phoenix, AZ. March 2014.
Changes in Gene Expression in PCB-Exposed and Reference Wild Rainbow Trout. Presented at the annual national conference of the Society of Toxicology. San Francisco, CA. March 2012.
Evaluating variation in gene expression in PCB-exposed and reference wild Rainbow trout. Presented at the 31th Annual North American Meeting, Society of Environmental Toxicology and Chemistry. Portland, OR. November 2010
Arsenic Bioavailability in Soil: Evidence from In Vitro and Microprobe Studies. Presented at the Society for Risk Analysis 2009 Annual Meeting, Baltimore, MD, December 2009
Reference Comparisons for Dioxins/Furans Using IMS and Congener Profiles. Presented at the 30th Annual North American Meeting, Society of Environmental Toxicology and Chemistry. New Orleans, LA. November 2009
Risk Assessment at Mining Sites: Dealing with Arsenic and Lead. Presented at the Society for Mining, Metallurgy and Exploration -- Arizona Conference, Tucson, AZ, December 2008
Comparison of Aroclor and Congener Approaches for Assessing Ecological and Human Health Risks from Exposure to PCBs in Sediments and Fish. Presented at the SETAC North America 29th Annual Meeting, Tampa, FL, November 2008
Use of a Novel Risk Assessment Approach as a Tool to Identify Locations for Remedial Investigation. (Co-authored with Arianne Neigh and Michael Allen). Presented at the SETAC North America 28th Annual Meeting, Milwaukee, WI, November 2007
Bioavailability of Arsenic in Soil: Some Additional Insight. Presented at the Annual Meeting, Society for Risk Analysis, Baltimore, MD, December 2006
"A Comparative Study of 239,240Pu in Soil Near the Former Rocky Flats Nuclear Weapons Facility, Golden, Journal of Environmental Radioactivity 75 (2004):143-157
"Uncertainty Analysis of Time Trends of PCB Tissue Concentrations in Aquatic Biota Presented at the International Conference on Remediation of Contaminated Sediments, Venice, Italy, October 2003.
"Anatomy of Streamlined Site Investigation and Cleanup in a Reuse Setting". Presented to the Revtech Conference on Cleaning-up Contaminated Properties for Reuse and Revitalization: Effective Technical Approaches and Tools. Pittsburg, May 2003.
"Derivation of Site-Specific Cleanup Values for PCBs in a Michigan Riverine Ecosystem". Presented at the Society of Environmental Toxicology and Chemistry Annual Meeting. December 2001.
"Use of Bootstrapping to Estimate Variability for Unknown or Non-Linear Relationships among Measured Parameters: Analysis of Time Trends in PCB Concentrations in Fish, and of Biota Sediment Bioaccumulation Factors". Presented at the 3rd International Conference on Marine Pollution and Ecotoxicology. June 2001.
"Calculation of Soil PRGs for Lead for Intermittent Adult Exposure". Presented at the Society for Risk Analysis, Europe Annual Meeting. March 2001.
"Environmental Degradation in Kosovo: An Opportunity for Application of Alternative Environmental Assessment Approaches". Presented at the Society for Risk Analysis, Europe Annual Meeting. March 2001.
"An Integrated GIS and Risk Assessment System for Soil and Groundwater Contamination". Presented at the Society of Toxicology National Meeting. March 2000.
"Involving Skeptical Citizens in a Soil Sampling Study". Published in Chemical Health and Safety, 5(5):19-24. 1998.
"Critical Assumptions for the Use of the IEUBK Model for Assessing Lead Exposure for Young Children: A Case Study of a Lead Risk Assessment for a Superfund Site in Palmerton, Pennsylvania". Presented at the Society of Toxicology, Seattle. 1998. "Soil Contaminant and Exposure Point Concentration Computation Using Voronoi Tessellation Weighted Averaging". Presented at the American Petroleum Institute/National Groundwater Association Meeting. Houston, Texas. 1997.
"Risk Assessment at Sites Contaminated with Lubricating Oils: Implications from the Toxicological Literature". Presented at the American Petroleum Institute/National Groundwater Association Meeting. Houston, Texas. 1995.
"Assessing Lead Exposure near the Site of a Historical Secondary Lead Smelter". Published in The Toxicologist, 14:38. 1994.
"Effects of Deuterium Labeling on Azido-Amino acid Mutagenicity". Published in Salmonella typhimurium. Mutation Research. 308:33-42. 1994.
"Bioavailability of Mercury in Cinnabar Ore Mine Wastes". Published in The Toxicologist. 13:301. 1993.
"Risk Assessment at Sites Contaminated with Lubricating Oils: Implications from the Toxicological Literature". Internal CDM publication. 1993.
"Community Involvement in Risk Assessment: Experiences from Milltown, Montana" Presented at the 2nd Annual Superfund Risk Assessment National Meeting. Charleston, North Carolina. March 3-4, 1991.
"Clean-Up Criteria/Risk Assessment." Presented at the Workshop on Remediation of Wood Treating Sites sponsored by USEPA Environmental Response Team. Estes Park, Colorado. March 13-14, 1991.
"Risk Assessment Guidance for Region VIII Mining Sites." Presented with Dr. C. Weis at the Risk Assessment Issues, Problems, and Solutions for NPL Mining Sites Workshop. Lakewood, Colorado. March 12-13, 1991.
"Bioavailability of Lead in Mining Wastes: An Oral Intubation Study in Young Swine" (co-authored with R.H. Poppenga, B.J. Thacker, J.P. Geisy, and C. Weis). Published in Chem. Speciation and Bioavailability. 3:105-111. 1991.
"Azidoalanine Mutagenicity in Salmonella: Effect of Homologation and Alpha-methyl Substitution". Published in Mutation Res. 216:27-33. 1989.
"Structure-Activity Relationships of the Azide Metabolite, Azidoalanine". Published in S. typhimurium. Mutation Res. 1987.
"Potassium Chromate Potentiates Frameshift Mutagenesis." Published in E. Coli and S. typhimurium. Mutation Res. 1971:1-10. 1986.
"Nickel (II) Genotoxicity: Potentiation of Mutagenesis of Simple Alkylating Agents". Published in Mutation Res. 162:187-189. 1986.
"Metal-Induced DNA Damage and Repair in Human Diploid Fibroblasts and Chinese Hamster Ovary Cells". Published in Chem.-Biol. Interactions. 59:17-28. 1986.
"Chromium (VI) Comutagenesis: Characterization of the Interaction of Potassium Chromate with Azide." Published in Environm. Mutagen. 8:717-725. 1986.
"Rhodium(III) Complexes as Genotoxic Agents: Photochemical Effects and Their Implications". Published in Mutation Res. 172:211-222. 1986.
"Synthesis and Enantioselective Mutagenicity of Azidoalanine". Published in Salmonella Typhimurium. Chem.-Biol. Interactions. 1986.

Work experience

Risk Assessor/Toxicologist, Kalamazoo River Superfund Site, Michigan.
Risk Assessment Specialist, Human Health Risk Assessment, Portland Harbor Superfund Site, Portland, Oregon.
Risk Assessor/Toxicologist, Velsicol Chemical Corporation, St. Louis, MI.
Risk Assessor/Toxicologist, Klau Buena Vista Superfund Site, California.
Risk Assessment Specialist, Human Health Risk Assessment, Palmerton Zinc National Risk Assessor/Toxicologist, CERCLA Risk Assessments, Anaconda Smelter Mega Site, Anaconda, Montana.
Human Health Risk Analyses for CEQA and NEPA Documents, Los Angeles International Airport (LAX), Los Angeles, CA.
Risk Assessor, CERCLA Risk Assessment, Omega NPL Site, Whittier, California.

Affiliations / Memberships

Society of Toxicology, Full Member
Society for Risk Analysis
Society of Environmental Chemistry and Toxicology

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