ratio by residents with respect to the sites. The annoyance level (OI( 2)) at A-4 was highest at 66.5%, and in the A-1 area, it was lowestat 41.4%. The overall degree of annoyance was 51.9% in the industrialarea, so we could interpret the occurrence of a serious odorphenomenon sensed by the residents. The difference arises owing to participants tending to depend on a subjective sense beinginfluenced by the odor type and intensity and the odor strengthbeing irregular due to local winds. Hence, we could confirm that RMR was significant in terms of inherent odor strength by comparisonwith the measured concentration or COI. Furthermore, it is reasonable to suspect that phenomena such as odor malodor are not simple enough to be diagnosed by OI and OAV because the actual OI in complex industrial areas could be a combined OI due tothe presence of other odorants with different odor parameters (Blanes-Vidal et al., 2012; Susaya et al., 2011a). It is worthwhile discussing these discrepancies between environmental criteria anddirect olfaction, and therefore we need to consider legislative criteria for odorant control. Nevertheless, the overall measured concentrations during this study period remained within air qualityguidelines, other than a few of the maximum concentrations.However, the residents living nearby still perceived that odorous pollution was a serious problem and experienced irritations due various malodor sources. Hence, an odor emission standard may be
ratio by residents with respect to the sites. The annoyance level (OI( 2)) at A-4 was highest at 66.5%, and in the A-1 area, it was lowestat 41.4%. The overall degree of annoyance was 51.9% in the industrialarea, so we could interpret the occurrence of a serious odorphenomenon sensed by the residents. The difference arises owing to participants tending to depend on a subjective sense beinginfluenced by the odor type and intensity and the odor strengthbeing irregular due to local winds. Hence, we could confirm that RMR was significant in terms of inherent odor strength by comparisonwith the measured concentration or COI. Furthermore, it is reasonable to suspect that phenomena such as odor malodor are not simple enough to be diagnosed by OI and OAV because the actual OI in complex industrial areas could be a combined OI due tothe presence of other odorants with different odor parameters (Blanes-Vidal et al., 2012; Susaya et al., 2011a). It is worthwhile discussing these discrepancies between environmental criteria anddirect olfaction, and therefore we need to consider legislative criteria for odorant control. Nevertheless, the overall measured concentrations during this study period remained within air qualityguidelines, other than a few of the maximum concentrations.However, the residents living nearby still perceived that odorous pollution was a serious problem and experienced irritations due various malodor sources. Hence, an odor emission standard may be
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