Phase 1
Personnel Qualification and Training
1Complete initial gowning qualification training
Personnel trained on the correct gowning sequence and technique for each classification level they will be authorized to enter.
21 CFR 211.28
↓
2Perform gowning qualification assessment
Gowning technique assessed through both visual observation and microbial monitoring, confirming the individual can gown correctly and consistently.
EU GMP Annex 1 2022
↓
3Establish a personnel monitoring baseline
Initial monitoring results establish a documented baseline for the individual, supporting later trend comparison during routine monitoring.
EU GMP Annex 1 2022
↓
4Grant area access authorization
Access authorization granted specifically for the classification levels the individual has successfully qualified for, not blanket facility-wide access.
EU GMP Chapter 2
Phase 2
Gowning Procedure and Progression
5Don gowning in sequence, lowest to highest
Gowning donned progressively through each classification level, from Grade D through Grade A, never skipping stages in the sequence.
EU GMP Annex 1 2022
↓
6Perform hand hygiene at each transition
Hand washing and disinfection performed at each gowning stage transition, consistent with the defined procedure for that specific airlock.
EU GMP Annex 1 2022
↓
7Verify gowning integrity before proceeding
Gowning checked for correct fit, no exposed skin or hair, and no visible defects before proceeding to the next stage of the airlock sequence.
EU GMP Annex 1 2022
↓
Does gowning pass visual and self-check inspection?
YES → Proceed to area entry
NO → Re-gown or exit for correction
Phase 3
Area Access and Movement Control
8Enter through the matching classification airlock
Entry made only through the airlock specifically designed and pressure-controlled for the classification level being entered.
EU GMP Annex 1 2022
↓
9Follow the unidirectional movement path
Movement follows the designated one-way path through the facility, avoiding backtracking into lower-classified areas once higher classification gowning is worn.
EU GMP Chapter 2
↓
10Restrict simultaneous multi-zone access
Personnel do not move between different product zones without first regowning, preventing cross-contamination between concurrent operations.
EU GMP Chapter 2
Phase 4
Monitoring, Degowning and Exit Control
11Perform personnel monitoring at defined points
Fingertip and gown plate sampling performed at defined intervals and upon exit, providing ongoing evidence of gowning technique effectiveness.
EU GMP Annex 1 2022
↓
12Degown in reverse sequence
Gowning removed in the reverse order it was donned, exiting through the appropriate airlock back toward the lower classification level.
EU GMP Annex 1 2022
↓
13Investigate any personnel monitoring excursion
A personnel monitoring result exceeding alert or action limits triggers investigation into gowning technique, training adequacy, and potential retraining need.
21 CFR 211.192
Gowning Qualification Requirements
Initial Qualification
Documented demonstration of correct gowning technique through both visual assessment and microbial monitoring before independent area access is granted.
EU GMP Annex 1 2022
Periodic Requalification
Gowning qualification reassessed on a defined periodic schedule, confirming technique remains consistent over time rather than assuming initial qualification is permanent.
EU GMP Annex 1 2022
Level-Specific Authorization
Access authorization tied specifically to the classification levels an individual has qualified for, not granted as blanket facility-wide access.
EU GMP Chapter 2
Gowning Breach Response Steps
Step 1 - Exit the classified area immediately
Leave the area through the correct exit path the moment a gowning breach, such as exposed skin or a torn glove, is identified.
Step 2 - Notify quality and the area supervisor
Report the breach promptly so the potential impact on any in-progress operation can be assessed without delay.
Step 3 - Assess product and process impact
Determine whether any product or process step in progress at the time of the breach requires investigation.
Step 4 - Correlate with environmental and personnel monitoring
Review EM and personnel monitoring data from the same time period and location for any corroborating signal.
Step 5 - Document and evaluate retraining need
Fully document the event and assess whether the individual requires gowning retraining or requalification before returning to the area.
Personnel Monitoring Requirements
Sampling at multiple gown locations
Fingertips, forearms, chest, and other gown locations sampled to build a complete picture of gowning effectiveness across the body.
Sampling upon exit from Grade A/B areas
Personnel monitoring performed as individuals exit the highest-risk classification areas, capturing the cumulative exposure of the session.
Individual trending over time
Each individual's monitoring results trended over successive sessions to detect a gradual decline in gowning technique.
Correlation with environmental monitoring
Personnel monitoring data reviewed alongside environmental monitoring results from the same session to build a complete contamination picture.