ARLINGTON, Va. - The Air-Conditioning and Refrigeration Institute (ARI) has issued a white paper titled "Noise Criteria Levels – What They Mean and What They Do Not Mean," which is available atwww.ari.org.

Also available at the Web site, free of charge, is ARI Standard 885-98 (with 2002 Addendum), "Procedure for Estimating Occupied Space Sound Levels in the Application of Air Terminals and Air Outlets."

Publication date: 11/17/2003