Test Parameter

Objective

Maximum time interval

Test procedure*
and key aspects

Filter leakage

Verify filter integrity

12 months

Filter media and filter seal integrity

Containment leakage

Verify absence of cross-contamination

12 months

Airflow direction and pressure differential

Recovery (time)

Verify clean-up time

12 months

Time taken maximum 15 minutes

Airflow visualization

Verify required airflow patterns

12 months

Airflow direction, documented evidence