- Which is the countable plate? ______ # CFU = ______
- What is the SDF? ______
- Calculate the ITDF for each tube:
- I
- II
- III
- IV

- Calculate the TSDF for the countable plate.
- Calculate the PDF for the countable plate.
- Calculate the FDF for the countable plate.
- Calculate the CFU/ml for the countable plate.

Thanks to Tim Allen for providing this problem set.

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