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This paper appraises the indoor thermal environment of two natural ventilated pre-school buildings in Shah Alam city, Selangor. The physical measurement and survey questionnaires on thermal comfort were conducted among the teachers. The results obtained showed that mean temperature and relative humidity of both pre-school buildings were exceeded the standard, while for air velocity was still in suggested...
This paper appraises the thermal comfort condition of in air conditioned learning environment of the new learning campus in Universiti Teknologi MARA, Puncak Alam. The physical measurement and survey questionnaires have been thoroughly measured among the occupants (235 respondents) in four air conditioned classrooms along with four lecture theatres. The result shows relative humidity and air velocity...
The indoor and outdoor air quality at four residential buildings in Shah Alam, Selangor was investigated. The concentrations of carbon monoxide (CO), carbon dioxide (CO2), and particulate matters (PM10) in outdoor and indoor of the houses were determined for 8 hour period. The mean concentration of CO, CO2 and PM10 indoor was in the range 0.24–0.31 ppm, 437.18–549.57 ppm and 94.00–124.00 μg/m3 respectively...
Air quality and pollution may be partly assessed by examination of rainwater compositions. Long term monitoring is essential in detecting signs of changing trend and hence any plausible air pollution and atmospheric acidification. Weekly samples of rainwater were collected by using a wet-only sampler at Global Atmospheric Watch (GAW) station in Danum Valley, Sabah in East Malaysia for a period between...
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