MEMPHIS, Tenn. — For many years, Rose Sims had no idea what was going on inside a nondescript brick building on Florida Street a couple of miles from her modest one-story home on the southwestern side of town. Like other residents, she got an unwelcome surprise in October 2022 at a public forum held by the Environmental Protection Agency at the historic Monumental Baptist Church, known for its role in the civil rights movement. The EPA notified the predominantly Black community that Sterilization Services of Tennessee —which began operations in the brick building in the 1970s — had been emitti…