The two major guidelines for Hand Hygiene in Healthcare are from WHO (World Health Organisation) and the Centers for Disease Control and Prevention (CDC).
Check them out for information and ideas.
World Health Organization. WHO Guidelines on Hand Hygiene In Health Care, 2009 http://whqlibdoc.who.int/publications/2009/9789241597906_eng.pdf (Large file warning 4.37 MB)
Centers for Disease Control and Prevention. Guideline for Hand Hygiene in Health-Care Settings: Recommendations of the Healthcare Infection Control Practices Advisory Committee and the HICPAC/SHEA/APIC/IDSA Hand Hygiene Task Force. MMWR 2002; 51 (No. RR-16): 1-45). http://www.cdc.gov/handhygiene/index.html