Document Detail

Assessment of ambient noise levels in the urban residential streets of Eastern Alexandria, Egypt.
MedLine Citation:
PMID:  23196882     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Street of Alexandria have numerous unplanned, mixed, and noisy activities that may interfere with public health and comfort.
OBJECTIVES: The aim of this study was to assess A-weighted ambient noise levels in urban residential streets of Eastern Alexandria, Egypt, from September 2010 to January 2011, with the objective of recommending corrective actions to minimize high noise levels.
MATERIALS AND METHODS: A descriptive cross-sectional study was carried out, in which A-weighted ambient noise levels were measured on the basis of 24-h periods, using Ono sokki la-5120 - precision integrating sound level meter, from September 2010 to January 2011. The measurements were taken on three streets, which were selected using stratified random sampling. Seven measurement sites, along the three streets under study, were selected by site visits according to predetermined criteria.
RESULTS: A-weighted ambient noise levels (LAeq) were the highest [70.7 (24.2) dB] on high-traffic-density and high-human-activity streets followed by streets with moderate and low traffic density and human activity [67.5 (31.3) and 62.8 (38.2) dB], respectively. It varied significantly depending on means of transportation (road traffic, train, and/or tram) and human activities (parking lots, shops, and/or street merchants).
CONCLUSION: The A-weighted ambient noise levels on urban residential streets of Eastern Alexandria, Egypt, exceeded the Egyptian National Standards during the three periods of the day (daytime, evening, and night), except in some relatively quiet locations during the night. Consequently, remedial actions to reduce noise levels were recommended.
Gehan R Zaki
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Egyptian Public Health Association     Volume:  87     ISSN:  0013-2446     ISO Abbreviation:  J Egypt Public Health Assoc     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505602     Medline TA:  J Egypt Public Health Assoc     Country:  England    
Other Details:
Languages:  eng     Pagination:  96-103     Citation Subset:  IM    
Occupational Health and Air Pollution Department, High Institute of Public Health, Alexandria University, Alexandria, Egypt.
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