Airport Highlights 2003 0204 - Laserfiche WebLink

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• • SECOND SUPPLEMENTAL ENVIRONMENTAL IMPACT REPORT FOR THE AIRPORT DEVELOPMENT PROGRAM OF OAKLAND INTERNATIONAL AIRPORT Background Information: In response to a California Appellate Court ruling on August 2001, the Port of Oakland is in the process of preparing a second Supplemental Environmental Impact Report (SEIR) for the Airport Development Program (ADP) at Oakland International Airport. A draft SEIR is scheduled to be completed for public review • toy late spring of this year. The court directed the Port to provide further information regarding the following issues: 1. Potential noise impacts of increased nighttime flights due to implementation of the ADP. The goal of this analysis is to identify the potential impacts of single event noise (SEL) on sleep disturbance. 2. Quantification of mobile- source emissions of possible toxic air contaminants that would occur from normal airport operations (conducted as part of the ADP), and an analysis of the potential effects of airport operations on air quality and human health. 3. Mitigation for impacts to the western burrowing owl caused by the ADP. Glossary of SEIR Terms: The California Environmental Quality Act (CEQA) — A statute that requires state and local agencies to identify the significant environmental impacts of their actions and to avoid or mitigate those impacts, if feasible. CEQA encourages the protection of all aspects of the environment by requiring state and agencies to prepare multidisciplinary environmental impact studies whenever proposing to develop projects that may impact the environment. CEQA also analyses include • a discussion of feasible project alternatives and mitigation measures, if applicable. • Community Noise Equivalent Level (CNEL) — A method of predicting, by a single number rating, cumulative aircraft noise that affects communities in airport environs. CNEL represents the accumulation of aircraft noise during a 24 -hour • period, adjusted to account for the lower tolerance of people to noise during evening and nighttime hours. Weighting penalties of approximately 5 and 10 decibels are applied to aircraft operations conducted from 7 -10 p.m. and 10 p.m.- 111 7 a.m., respectively, to account for increased sensitivity during those periods.