
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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- TR 64: Temp Controlled Systems Qualification (3)
- TR 54: QRM:Manufacturing Operations (1)
- TR 54-2: QRM: Packaging Labeling (1)
- TR 54-3: QRM: Drug Products (1)
- TR 54-4: QRM: Biotech Drug Substance (1)
- TR 58: Temp Controlled Distribution (1)
- TR 61: Steam in Place (1)
- TR 65: Technology Transfer (1)
- TR 74: Reprocessing of Biopharmaceuticals (1)
- TR 14: Validation: Protein Purification Chromatography (1)
- TR 60-3: Process Validation: A Lifecycle Approach: Bio Drug Sub Mfg (1)
- TR 54-5: Quality Risk Management for the Design, Qualification, and Operation of Manufacturing Systems (1)
- TR 39: Cold Chain (1)
- TR 44: QRM: Aseptic Processes (1)
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Active Systems
Systems with active temperature control (e.g., air/sea freight containers, refrigerated trucks/cars). (TR39) System with active temperature control. It makes use of electricity or fuel for the compressor to maintain temperature. Examples include refrigerated trucks, temperature-controlled ocean containers, and active ULDs. (TR58) Actively powered system that uses electricity or other fuel source to maintain a temperaturecontrolled environment inside an insulated enclosure under thermostatic regulation (e.g., cold room, refrigerator, temperature-controlled truck, refrigerated ocean or air container). (TR64) (TR72) (Synonym: Active Temperature Controlled System)
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Active Temperature Controlled System
Actively powered system that uses electricity or other fuel source to maintain a temperaturecontrolled environment inside an insulated enclosure under thermostatic regulation (e.g., cold room, refrigerator, temperature-controlled truck, refrigerated ocean or air container). (TR 72) (TR64)
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Emissivity (?)
The emissivity of the surface of a material is its effectiveness in emitting energy as thermal radiation. This is measured between 0 (zero) and 1 (one); 0 having the ability to reflect all energy, and 1 allowing all energy to pass through it. Glass, for example, has emissivity of 0.91 (smooth, uncoated); aluminium foil has emissivity of 0.03. (TR72)
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Failure Mode and Effects Analysis (FMEA)
A method of assessing and evaluating risk. (TR44)
A systematic method for identifying, analyzing, prioritizing and documenting potential failure modes, their effects on system, product and process performance, and the possible causes of failure in order to prevent defects from occurring. (TR54) (TR54-2) (TR54-3) (TR54-4) (TR74) (TR54-5)
A tool for analyzing processes or systems to evaluate all operating steps in order to identify and assess the risk associated with any potential failures. (TR65)
An analytical technique that results in a rankordered list of concerns to take action on. (TR72)
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Operational Qualification (OQ)
Documented verification that the equipment or systems, as installed or modified, perform as intended throughout the anticipated operating ranges. (TR14) (TR61) (TR64) (TR72)
The documented verification that the facilities, systems and equipment, as installed or modified, perform as intended throughout the anticipated operating ranges. (TR54-5)
Documented verification that the equipment or systems, as installed or modified, perform as intended throughout the anticipated operating ranges (17). (TR60-3)