Risk Assessment: Tools, Techniques, and Their Applications

Glossary

Accident An unexpected and undesirable event, especially one resulting in damage or harm.

Acetaldehyde An organic chemical compound.

Anomalies Deviation or departure from the normal or common order, form, or rule.

Basic event A fault or failure in an accident sequence that can occur, which has an impact on the overall outcome or the top event of a probabilistic risk assessment or fault tree analysis.

Bioconcentration Uptake and accumulation of a substance from water alone.

Biomagnification The increase in concentration of a substance such as the pesticide, DDT.

Boundary conditions The values or conditions that constrain a system.

Chloracne An acnelike eruption of blackheads, cysts, and pustules.

Closed loop Materials do not enter or leave a system.

Component System, job/person, part, tool, or other thing that performs the activities that make up the critical function.

Component failure An electronic or mechanical part of a system that ceases to work. In risk assessment terms, this unit has an impact on the success or failure of a system.

Component fault An electronic or mechanical part of a system that ceases to work or ceases to work correctly. In risk assessment terms, this unit has an impact on the success or failure of a system.

Conditional probability A probability whose sample space has been limited to only those outcomes that fulfill a certain condition.

Consequences The positive or negative outcomes of decisions, events, or processes.

Critical function What has ...