TagDNL65(15)
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2019-02-19 23:21
The Port Package Explainer
Does your home have a Port Package of noise mitigation windows and insulation? Having problems with your windows? Mold? You're not alone. Help us help you. -
2019-02-19 11:43
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 -
2010-04-01 19:02
From Whence Came Ldn / DNL 65?
by Nick Miller With FAA developing a research roadmap, and fears (hopes?) expressed by many in our airport noise community that the compatibility guideline might change, I became “curiouser and curiouser” about the real origin of 65 DNL as various claims were made about its origin, its immutability, its arbitrariness, and its scientific basis or -
1992-04-09 01:31
Seattle Community Council Federation v. FAA 961 F.2d 929
961 F.2d 829 SEATTLE COMMUNITY COUNCIL FEDERATION, a Washington nonprofit corporation, Petitioner, v. FEDERAL AVIATION ADMINISTRATION; Samuel Skinner, Respondents. No. 90-70253. United States Court of Appeals, Ninth Circuit. Argued and Submitted Jan. 8, 1991. Decided April 9, 1992. Peter J. Eglick and Henryk J. Hiller, Seattle, Washington, for petitioner. Peter R. Steenland, Jr., and J.