The purpose of this study was to determine the attitudes of the residents of National City toward noise in their community and to compare that to information about the actual noise levels to which the residents are exposed. This is intended to provide information about when and what type of noise may be a problem in the area. A target area near the San Diego Marine Terminal in National City was chosen for study. The study was done via door-to-door administration of surveys about environmental noise. Questions included several types of noise residents might be exposed to, and when and how much the residents are annoyed by the noise. Sound level measurements were also taken in the target area at two times during the day for comparison: morning and midday. Overall, the residents did not report that their community was a noisy environment; however, those who did report that the community was noisy were most bothered in the evening and overnight.
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