Abstract
Noise pollution has been shown to be a global health hazard and this could be aggravated by the use of noise-emitting generators. Therefore, this study aims to determine the Sound Pressure Levels Sound Power Levels as well as Noisiness of sixty different models with various Power-ratings from fourteen generator brands, commonly used in homes/offices in seven cities covering South-Southern Nigeria. The results obtained between January 2013–December 2015 showed that for nearly all generator brands, models and ratings, the values of were above the Permissible Noise Exposure Limits recommended by and of and respectively for daytime safe human exposure. Also, the ‘Wilcoxon Signed Ranks Test’ analyses showed that the three (3) alternative hypotheses , and are statistically-significant and should be accepted – further implying that: the decibel-ratings of majority of these generator-models are evidently hazardous.
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