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Judgment & ambiguity · When to escalate

During a routine media fill to qualify your aseptic process, one unit out of thousands shows growth. The batch itself was fine, but this is your sterility-assurance qualification. When does this become bigger than a line-level investigation?

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A single media-fill positive is bigger than a line investigation from the moment it's confirmed, because a media fill isn't testing one unit — it's the evidence that our aseptic process is in a state of control.

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