Browsing School of Environmental Engineering (Articles) by Subject "Performance indicators."

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    • Estimation of missing values for air pollution data using Interpolation technique 

      Norazian, Mohamed Noor; Mohd Mustafa, Al Bakri Abdullah; Ahmad Shukri, Yahaya; Nor Azam, Ramli (Universiti Malaysia Perlis, 2006)
      Air pollution data such as PM10, sulphur dioxide, ozone and carbon monoxide are usually obtained using automated machines located at different sites. These are usually due to mechanical failure, routine maintenance, changes ...