Urine, feces, menstrual blood, hair, fingernails, vomit, dead skin cells. Industrial chemicals, pharmaceuticals, soaps, shampoos, solvents, pesticides, household cleansers, hospital waste.
Sewage sludge, the viscous brown gunk left over when wastewater is treated, is more than just poop: it's an odiferous smoothie of everything we pour down the drain. There are pathogens; there are heavy metals. PCBs, dioxins, DDT, asbestos, polio, parasitic worms, radioactive material-all have been found in sludge. Despite pretreatment programs that prevent some of the most noxious stuff from Read more