Abstract
The objective of this study is to identify the effect of the noise that result from sound amplifiers which have been used in Local markets on the healthy and psychology of population (vendors and pedestrian). Therefore, we measured the noise level in Local and Modern markets to identify the difference in noise level that create by sound amplifiers where we chose three points in each market at (North, Mid and South) and for a period of seven days and comparison the readings of noise level of both markets with the Iraqi standard. two questionnaires have been carried out in this study, the firs questionnaire is for the vendors. The second questionnaire represents the pedestrians.For a period of seven days, the average of the noise levels (Leq) in Local market for North, Mid and South points were (77.2, 80.2 and 73.4) decibel (dB) respectively while in the Modern market were (66.2, 69.1 and 64.8) dB respectively. The results of the first questionnaire showed that the vendors in Local marked are more harmful than the ones in the Modern market where most of them suffered from hear losing, annoying, boredom, mood flocculation, weakness of focus and other psychological effects but the harm ratio with hypertension was low in both markets. The results of the second questionnaire showed that the harm ratio of shoppers in Local and Modern markets with annoying equal to (92%, 17%), headache (58%, 25%), nervous(25%,25%), boredom (33%,25%), Weakness of focus (58%,42%), nausea (67%,58%), respectively. These results give an impression that the sound amplifiers were the essential reason for increasing the noise level in local markets and the noise level higher than 70 dB cause healthy and psychological effects for the vendors.
Highlights
Noise pollution in cities has become a global concern because its seriousness and its problems to many activities such as transportation, commercial, industrial and constructional works
Noise pollution is a most important occupational hazard, temporary impact of noise exposure includes hearing loss, annoyance. permanent health impact of noise exposure results in hearing loss; both temporary and permanent impact can be avoided by timely recognition, assessment and control of noise pollution
The last part using questionnaire specialized for 12 persons stayed for a period of two hours only in the first day in Local market and repeat the same questionnaire with Modern market for the same persons to determine the noise level impact on the shoppers
Summary
Noise pollution in cities has become a global concern because its seriousness and its problems to many activities such as transportation, commercial, industrial and constructional works. At the local markets in diwaneyah city, the sound amplifiers are the hazard source of the noise where the vendors have used these devices as part of advertising about their goods. These sound amplifiers cause high levels of noise which they have been adversed impact on the population. Noise pollution is a most important occupational hazard, temporary impact of noise exposure includes hearing loss, annoyance. Permanent health impact of noise exposure results in hearing loss; both temporary and permanent impact can be avoided by timely recognition, assessment and control of noise pollution. The most serious health impact is hearing loss which is resulting from permanent harm to the inner ear. [4]
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