What percentage of household sponges and dishcloths tested positive for Coliform bacteria in the NSF study?
Answer
75%
A significant finding from a study conducted by the National Science Foundation on common household items revealed the widespread contamination levels in cleaning implements. This research specifically determined that a substantial three-quarters, or 75%, of all household sponges and dishcloths tested yielded positive results for the presence of Coliform bacteria. This high percentage underscores how routinely these items harbor indicators of fecal contamination, linking their use directly to potential risks in food preparation areas.
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