2016 No https://onlinelibrary.wiley.com/doi/10.1111/ina.12236 Wei, W. Europe Exposure Study Students Staff Elementary (K-5) Volatile Organic Compounds (VOCs) Other Cleaning products Indoor air quality Volatile organic compounds (VOCs) Nursery Children Health effects Survey of 310 French schools identified 152 chemicals in cleaning products, many harmful; evening wet mopping with open windows was common. Findings support safer product use and improved ventilation to protect child health.