Darya Minovi was mapping pollution from medical sterilization plants across the country when many of the communities she was speaking to began asking the same question. The facilities emit ethylene oxide, a potent carcinogen, and those who lived nearby wanted to know how much the emissions were ...
Source: [Grist](https://grist.org/regulation/the-epas-data-on-cancer-risk-from-air-pollution-has-gone-dark/)