Question for the collective:
In our micro lab we are trying to validate a TVC method for a liquid per
USP 61. USP 61 specifies under the recovery of microorganisms section for
membrane filtration that the material filtered should represent 1 g of the
product. However, under the "Amount Used for the Test" section it sates
that "unless otherwise directed, use 10 g or 10 mL of the product to be
examined." Would we be justified in only filtering 1 mL of product per
the first statement? \
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