Review of Basic Chemical Properties

Before exploring the major components of risk assessment, some basic chemical properties and their relationships to biological processes must be reviewed.

Chemical Structure. The chemical structure of a substance is the arrangement of its atoms. This structure determines the chemical's properties, including how a chem-

Laboratory and

Field Work

Discipline-based: Chemistry Biology Geology Toxicology " Epidemiology

Risk

Assessment

Multiple scientific disciplines: Chemistry, biology, etc. Statistics Medicine Models Science policy

Risk

M u lt iple disciplines: natural sciences,

Management

physical sciences, social sciences:

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