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What’s in YOUR cannonball?
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    Pool chemicals kill most germs within minutes, but some live for days. A kid brings 10 grams of poop—the weight of 4 pennies—with 10 trillion microbes. Keep germs out of the swimming pool water and water out of your mouth. CS254396D Publication date from document properties. hats-in-your-Cannonball-11x17-508c.pdf
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