A generator is calibrated to contain 500 mCi of "Mo at noon on Friday, July 22 at 8 am. The generator is delivered on Monday, July 25 at 6 am. a) The generator is eluted at 8:00 am on Monday, July 25. How much Tc-99m is eluted? b) The generator is then eluted on Wed, July 27th at 8:00 am. How much 99mTc is eluted this time? c) The minimum activity that generates a useful image is 5 mCi. What is the last date "month, day and time" that the generator can be used to produce enough 99m Tc for an imaging procedure.

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