For Grade A zones, particle monitoring should be undertaken for the full duration of critical processing, including equipment assembly, except where justified by contaminants in the process that would damage the particle counter or present a hazard, for example, live organisms and…

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For companies registered with the FDA, you can check the FDA’s inspection database to see the specific firms compliance status (NAI, VAI, or OAI) – https://www.fda.gov/iceci/inspections/ucm222557.htm. I prefer starting here as it gives me a picture of their status over time. You can…

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