Website Sources
  1. U.S. Environmental Protection Agency,  www.epa.gov

  2. Michael A. Berry, PhD (1994), Cleaning For Health: Protecting The Built Environment.

  3. Stephen P. Ashkin, (March 2005),"The Health and Finances of Eco-Cleaning," via3.net

  4. The State of Washington, Workers Compensation Study.
  5. Alana Klein, (Feb 2005), "Green Expectations," University Business.

  6. U.S. Green Building Council, www.usgbc.org

  7. Leonard R. Krilov, MD, (1996),"Impact Of An Infection control Program In A Specialized Preschool, American Journal of Infection Control (24:167-173).

  8. "Survey Finds Greater Experience with Green Building Practices Leads to Increased Efficiency and ROI," PRNewswire, September 15, 2004.

  9. Hackensack University Medical Center and "Greening the CleaningŪ", www.dienviro.com