When the cleaning process is used only between batches of the same product (or different lots of the same intermediate in a bulk process) the firm
need only meet a criteria of, "visibly clean" for the equipment. Such between batch cleaning processes do not require validation. 还有目检能力,指南给出的是 1-4ug/cm2.具体能力需要你做不同人员经过测试后决定。