ESS Pollutants Review

Master air pollution: primary/secondary pollutants, sources, and control methods!

Match the definition and examples to the appropriate type of pollutant. Primary Active when released (on emission) Carbon monoxide (CO) Lead CFC Mercury Methane CO2 Secondary Active after undergoing change (usually mixture) Smog Tropospheric O3 Match the definition and examples to the appropriate type of pollutant. Chronic Wide-spread Usually undetected for a long time More difficult to clean up Released in small amounts Example is tropospheric ozone Example is smog over Beijing Acute Released in large amounts Immediately detectable Match the definition and examples to the appropriate type of pollutant. Point Released from a single, identifiable source Example: Sewage pipe overflow Non-Point Released from many sources Difficult to manage Example: Fertilizer run-off Example: CFCs Example: Tropospheric O3 What are the three primary pollutants released directly into the atmosphere via the combustion of fossil fuels? NO2 NO Hydrocarbons Particulates Which of the following is an effective way of reducing the release of nitrogen oxides and hydrocarbons into the atmosphere? catalytic converter afforestation deforestation better urban planning A catalytic converter works by... causing the complete combustion of fossil fuels change harmful pollutants into harmless chemicals capture nitrogen oxides before their released convert nitrogen oxide into ozone Hybrid cars, public transportation, and alternatives to fossil fuels (hydrogen or natural gas autos) would belong to which stage of pollution management? Replace Regulate Restore How did South Korea attempt to solve their smog pollution crisis on certain summer days? They banned driving of personal autos. They gave factory workers the day off. They raised the cost of energy usage during peak hours. They made public transportation free.