The Institute of Environmental Sciences and Technology (IEST), Mount Prospect, Ill., has released the International Standards Organization (ISO) Standard 14644-2, "Cleanrooms and Associated Controlled Environments - Part 2: Specifications for Testing and Monitoring to Prove Continued Compliance with ISO 14644-1," from ISO Technical Committee 209. Contact: IEST, 940 E. Northwest Highway, Mt. Prospect, Ill. 60056. Phone: (847) 255-1561. Fax: (847) 255-1699. E-mail: firstname.lastname@example.org. Website: www.iest.org.