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Ambient Air – Punjab Environmental Quality Standards MCQs

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1. What is the maximum allowable annual average concentration of Sulfur Dioxide (SOā‚‚) in ambient air according to Punjab Environmental Quality Standards?





2. Which method is used to measure annual average Sulfur Dioxide (SOā‚‚)?





3. The 24-hour concentration limit for Oxides of Nitrogen (NO) is:





4. Which pollutant has a 1-hour limit of 130 Āµg/mĀ³ and is measured using Non-dispersive UV absorption?





5. What is the annual average concentration of Suspended Particulate Matter (SPM)?





6. Which method is recommended for measuring Respirable Particulate Matter (PMā‚ā‚€)?





7. The 24-hour concentration limit for PMā‚‚.ā‚… is:





8. Which method is used to determine Lead (Pb) concentration in ambient air?





9. The 1-hour limit for Carbon Monoxide (CO) concentration is:





10. According to Punjab Environmental Standards, the annual arithmetic mean for measurement of pollutants is based on at least:





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