sentences:  Soon after its opening, local residents from the predominantly African American and Latino neighborhood complained of noxious odors emitting from the plant and increased exposures to health hazards.Peggy Shepard, a local resident, who was elected as a political district leader in 1985, pressured local and state authorities to perform a study on the health effects of exposure to the treatment plant's emissions.The study found that the fumes may cause respiratory problems at high levels of exposure, triggering public backlash from West Harlem residents, demanding repairs be made on the facility.