The Indoor Environmental Quality Prerequisite, Green Cleaning Policy, requires a plan for hazardous spill cleanup. This prerequisite focuses on reducing the exposure of building occupants and maintenance personnel to potentially hazardous chemical, biological, and particulate contaminants, which adversely affect air quality, human health, building finishes, building systems, and the environment. A well-defined spill cleanup plan is crucial for maintaining a safe and healthy indoor environment.References:LEED AP Operations + Maintenance Reference Guide, Indoor Environmental Quality section.