This standard focuses on the commercial built environment and defines frequencies, objectives, results, principles, and practices to clean, maintain, and restore the built environment. The built environment is defined as materials, building assemblies, structures, furniture, fixtures, and equipment located inside a building envelope.

The ANSI/IICRC S400 Standard for Professional Cleaning, Maintenance, and Restoration of the Commercial Built Environment includes the following:

• Principles of cleaning
• Administrative procedures and project documentation
• Safety and health
• Cleaning processes
• Cleaning equipment and tools, materials, chemicals, and supplies
• Quality assurance and quality control
• Limitations, complexities, complications, and conflicts

S400 Consensus Body Chair: Perry Shimanoff                    S400 Consensus Body Vice-Chair: Todd Stoneking