Continuous stack and ambient monitoring provides the information needed to formulate strategies for pollutant control (see Sections 5.9, 5.11, and 5.12). In Osaka, Japan, telemeters monitoring pollutant emissions from factories and stations sampling ambient quality perform environmental monitoring. An environmental monitoring system uses remote-sensing by earth-observing satellites and an environmental information system to forecast the environmental impact of pollution.
A procedure change can ease the effects of sulfur or nitrogen oxide pollution. Automatic changes can be made during high levels of ambient pollution. For example, the Tennessee Valley Authority (TVA) has been switching to low-sulfur fuels during adverse meteorological conditions.
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