1. Short title This Act may be cited as the Low-frequency Energetic Acoustics and Vibrations Exasperate Act or the LEAVE Act . 2. Standard for noise or nuisance actions (a) Standard Notwithstanding any other provision of law, a standard enforceable in State court may be set by one or more States participating in a study described in subsection (b) upon publication of such study. (b) Study (1) In general One or more States may conduct one or more studies of ground-based noise from aircraft operations at an airport within a State. (2) Collaboration States may collaborate on developing the methodology and standards for a study under this Act. (3) Content A study under this Act shall— (A) identify the amount of ground-based noise emanating from one or more airports in the State or States during the study period; (B) identify the noise level above which there is present a substantial negative impact to residents and businesses within 5 miles of any airport that is studied; and (C) identify any diminution of real property values from those that might otherwise be attained in the absence of the noise that creates a substantial negative impact. (4) Baseline A study under this Act shall identify a baseline value of ground-based noise above which an airport in the study is presumed to be permitting an excess of noise to propagate to a community within 5 miles of an airport. (5) Factors Recognizing that topography, characteristics of airport construction, weather, and variable air traffic volumes are among many factors affecting the amount of perceived ground-based noise emanating from an airport, a State— (A) need not establish a uniform standard of exceedance for every airport; (B) need not limit its analysis to such factors; and (C) shall establish a reasonable methodology for establishing such a standard and apply such methodology across the State or States. (6) Methodology The methodology for establishing the standard may take into account— (A) a history of ground-based noise emanating from the airport