Pure Air Control Services and its lab Environmental Diagnostics Laboratory as well as publications maintains this site to enhance the industry’s access to IEQ information and services. This web site and service is continually under development. We try to keep the information timely and accurate and will make every effort to correct errors brought to our attention. Please note that we do not control nor are we responsible for the accuracy, relevance, timeliness, or completeness of any documents on this site containing hypertext points to information created and maintained by other public and private organizations. In no event shall Pure Air Control Services be liable for losses or damages arising out of the use of this site.