Farm families that consume milk, eggs and beef they raise themselves face an increased risk of cancer if their fields were fertilized with PFAS-laced sewage sludge, the EPA reported this week. The results do not suggest that the broader food supply is contaminated.

Chemicals found in sewage sludge that some farmers use to fertilize fields and pastures can pose a threat to human and animal health, the US Environmental Protection Agency said Tuesday.

Environmental advocates are calling for a ban the use of sewage sludge as fertilizer. An EPA draft report found that there may be health risks associated with exposure to PFAS "forever chemicals" in the sludge,