Illustration by Lagan Sebert, Huffington Post Investigative Fund, EPA Image by Harry Hanbury, Crop Duster image courtesy Jenni Jone via FlickrCross-posted from the Huffington Post Investigative Fund Companies with a financial interest in a weed-killer sometimes found in drinking water paid for thousands of studies federal regulators are using to assess the herbicide's health risks, records of the U.S. Environmental Protection Agency show. Many of these industry-funded studies, which largely support atrazine's safety, have never been published or subjected to an independent scientific peer review. Meanwhile, some independent studies documenting potentially harmful effects on animals and humans are not included …