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Personal Biography of Bradley Sample, Ph.D.

Dr. Bradley Sample is an ecotoxicologist with over 16 years' experience as an ecological risk assessor and wildlife ecologist focusing on large, complex sites. As a principal technologist, he leads RA projects for both government and industry and serves as CH2M HILL's Southwest Regional ecological risk assessment leader. Dr. Sample has assisted clients with risk assessments in support of CERCLA and RCRA, Federal and State agency liaison and guidance documents, ecological RA strategy, and risk management planning. He specializes in wildlife toxicology of organic and inorganic contaminants, contaminant bioaccumulation, food web and ecological modeling, probabilitistic risk assessment, data analyses, and biota sampling. He has extensive experience in evaluation of ecological risks from petroleum compounds. His background covers entomology, ornithology, and mammalogy, in addition to statistics and experimental design. He served on the steering committee and developed the wildlife exposure model for the EPA's Ecological Soil Screening Levels (EcoSSLs). He developed the wildlife modeling component for the Army Risk Assessment Modeling System (ARAMS). Dr. Sample is a co-author of a book on ecological risk assessment at contaminated sites, and served on the editorial board of the journal Environmental Toxicology and Chemistry from 2001 to 2003. In December 2005 Dr Sample was elected to serve as an Editor for Hazard/Risk Assessment for Environmental Toxicology and Chemistry. Elected to the Board of Directors of the Northern California Chapter of the Society for Environmental Toxicology and Chemistry in 2001, he served as chapter President in 2004.  Due to Dr. Sample's expertise, he has twice been invited to serve on peer-review committees for the ecological risk assessment and bioaccumulation modeling components of the U.S. EPA's Hazardous Waste Rule. In 2004 he served on an independent peer-review committee evaluating U.S. EPA's ecological risk assessment for the General Electric Housatonic River site. Also in 2004, he served as a peer review committee member for the development of U.S. EPA's national metals risk assessment framework.


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