Environmental Change
★★

Initiative Description: Clean without detergent or with detergent that has less ozone-reactive organic compounds; open windows and doors, and limit chemical use in classrooms

Study Results: Better indoor air quality.

Reference: Lin, C., Peng, C. (2010). Characterization of indoor PM10, PM2.5, and ultrafine particles in elementary school classrooms: A review. Environmental Engineering Science, 27(11), 915-922.

Level of Evidence: 2 out of 5 stars Good