About
Biosolids are the organic residues resulting from the treatment of commercial, industrial, and municipal wastewater (sewage). Class B biosolids have undergone treatment that has reduced but not eliminated pathogens. This guidance is for controlling health risks to workers from Class B biosolids during handling and land application.
Additional languages
Suggested citation
NIOSH [2002]. Guidance for controlling potential risks to workers exposed to Class B biosolids. Cincinnati, OH: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2002-149.
