Trinity River Authority claims "all biosolids are held on site 24 hours for additional testing." Their tests are minimal. They are only required by US EPA code of federal regulation to test for and limit arsenic, cadmium, copper, chromium, lead, mercury, molybdenum, nickel, selenium, zinc and fecal coliform. I said limit. PFAS and 86,000 other chemicals found in sewage are not a requirement. If you think fecal coliform is the only bacteria and virus found in sewage you need to read more.