(26 Mar 2025) ASSOCIATED PRESS Lockbourne, Ohio - 7 March 2025 1. Various aerial of Southerly Wastewater Treatment Plant ++PARTIALLY COVERED++ ASSOCIATED PRESS Baltimore - 12 March 2025 2. SOUNDBITE (English) Carsten Prasse, associate professor, Johns Hopkins University: "Biosolids are basically the solid waste products from our wastewater treatment plants. Our wastewater goes, we flush it down the toilet, we flush it down the drain, it goes into wastewater treatment plants. There the water is