DNL65 For Dummies

There is a geographic area around every large airport where, according to a formula developed by the Federal Aviation Administration (FAA), the ‘noise’ level is equal to or greater than 65 decibels DNL (Day Night Level). That area is depicted on a noise exposure map (NEM) and referred to as the Noise Boundary or just

City of Burbank v. Lockheed Air Terminal, Inc. :: 411 U.S. 624 (1973)

U.S. Supreme Court City of Burbank v. Lockheed Air Terminal, Inc., 411 U.S. 624 (1973)City of Burbank v. Lockheed Air Terminal, Inc. No. 71-1637 Argued February 20, 1973 Decided May 14, 1973 411 U.S. 624 Syllabus Appellees sought an injunction against enforcement of a Burbank city ordinance placing an 11 p.m. to 7 a.m. curfew