PDA Technical Glossary

PDA Technical Glossary

PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.

The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the  PDA Technical Report Portal.

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Quality System
Formalized business practices that define management responsibilities for organizational structure, processes, procedures, and resources needed to fulfill product/service requirements, customer satisfaction, and continual improvement. (TR30) (TR44) The sum of all aspects of a system that imple­ments quality policy and ensures that quality ob­jectives are met. (TR54-5)
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Risk Control
Risk Evaluation
Risk Identification
Risk Prioritization Number (RPN)
A quantitative method for determining the level of risk by multiplying the severity, occurrence and detectability rankings of the failure or event. (TR44) The Risk Priority Number, or RPN, is a numeric assessment of risk assigned to a process, or steps in a process, as part of Failure Modes and Effects Analysis (FMEA), in which a team assigns each failure mode a numeric values that quantifies likelihood of occurrence, likelihood of detection, and severity of impact. (TR54-4) A quantitative measure used when assessing the level of risk. (TR54-5)
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Risk Reduction
The process of decreasing the level of risk. (TR44) Process for mitigation or avoidance of quality risk when it exceeds a specified (acceptable) level (e.g., reduce severity, probability of harm, and improves detectability of hazards and quality risks). (TR58) Actions taken to lessen the probability of occurrence of harm and the severity of that harm. (TR54-2) (TR54-5)
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Risk Review
An ongoing monitoring of events, output and results of the risk management process that takes into account new knowledge and experience. [A] step in the risk management process for taking in account of new knowledge and experiences. (TR44) (TR58) Review or monitoring of output/results of the risk management process considering (if appropriate) new knowledge and experience about the risk. (TR54-2) (TR54-5)
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