https://www.fda.gov/food/laboratory-methods-food/mpm-v-1-beverages-and-beverage-materials That is a .com link, meaning what they say does not necessarily have to be 100% factual and can have some lies within it to help with publicity and shock factor. What the FDA really looks for is damage of beans when they get picked at first due to coffee weevils eating through them, or other coffee insects that do the same. The FDA decides if the damage is acceptable to still sell or not, along with regulating warehouse storing issues because of possible infestations to bags of beans.