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Question 7: Is it necessary for companies to validate a maximum time allowed for a piece of equipment to be dirty before cleaning?
Advice: Companies should have SOPs in place, which require cleaning to be performed immediately after production has stopped. This scenario should be validated.
However, if for some reason immediate cleaning is not always possible, companies should consider the effect of time on the material deposited on the equipment. It may be possible to ‘Group’ or ‘Bracket’ products, and validate a worst case scenario.
问:公司是否需要验证在清洁前,脏的设备可以放置的最长时间?
建议 7:公司应制订SOP,其中说明生产结束后应立即对设备进行清洁。这种情况是需要验证的。
但是,如果因为某些原因,使得没法总是立即清洁,公司应考虑放置时间对设备中存留物料的影响。可以考虑对于“一组”或“一类”产品,验证其最差情形。
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