... These wastes are high in nitrogen and phosphorous, the so-called “limiting” nutrients because their absence limits the extent of plant growth, while their abundance accelerates it. Hence, the ... would put more viruses, parasites, and other pathogens into the environment where they will make people sick. • Shelving the EPA’s SSO rule of January 2001, which, among other things, would ... removes the solids, the plants subject sewage to “secondary treatment,” and that is where the microorganisms enter the picture. They come running to the dinner table when sewage is served, and their...