Tóm tắt nội dung:   Ambient Air Quality  and Continuous  Emissions Monitoring 6.1 AMBIENT AIR QUALITY SAMPLING PROGRAM Air pollution monitoring is conducted to determine either emission concentration or ambient air quality. The range of emission concentrations, temperature, and pressures encountered is sometimes many magnitudes greater than found at an ambient air sampling station. For this reason, sampling and analysis techniques and equipment are different for each case, even though the same general...