Knowing where to look for information about Ambulatory Surgery Centers can sometimes save time and simplify your tasks. We hope you find these sites useful. American Association of Ambulatory Surgery Centers http://www.aaasc.org Federated Ambulatory Surgery Association http://www.fasa.org American Association for Accreditation of Ambulatory Surgery Facilities http://www.aaaasf.org Joint Commission on the Accreditation of Healthcare Organizations http://www.jcaho.org American Association of Health Care Organizations http://www.aaahc.org Association of periOperative Registered Nurses http://www.aorn.org American Society of PeriAnesthesia Nurses http://www.aspan.org American Society of Anesthesiologists http://www.asahq.org