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FDA Data on Bugs and Food Contamination Is Horrific Fun for the Whole Family - Apr 23 2018
The FDA allows 450 insect fragments in a box of macaroni and 50 parasitic cysts for every 100 lbs of fish.
The Food and Drug Administration (FDA) maintains a handbook for the sole purpose of listing the minimum amount of mouse poop, insect fragments, human hairs, and corrosive rot allowed in your food.
https://www.fatherly.com/health-science/fda-data-food-contamination-family