DISCLAIMER Copyright Notice Unless otherwise indicated, content on this Internet site was created and/or authored by Suzy Li, at Center for Building Performance and Diagnostics (CBPD) through its cooperative agreement with the Carnegie Mellon University (CMU), It is requested that in any subsequent use of this work Suzy Li and CBPD be given appropriate acknowledgement. This site also contains information, text, and images created and/or prepared by individuals or institutions other than CBPD and CMU, that may be protected by copyright. Sources of information and text are mentioned in the References. Users must seek permission from the copyright owner(s) to use this material. Contact Suzy Li ([email protected]) if you need assistance.