PMT 110 Unit 9 Exam Questions and Answers All Correct

PMT 110 Unit 9 Exam Questions and Answers All Correct ambient air - Answer-as it applies to environmental sampling, ambient air is that portion of the atmosphere, external to buildings, to which the general public has access stationary - Answer-non moving, fixed site producers point - Answer-sources which individually can be a source of a major air pollution problem fuel combustion - Answer-Greatest sources of SO2 and PM10 and public complaints sulfur dioxide - Answer-A highly reactive gas formed quickly from emissions from mobile and stationary sources. SO2 also causes adverse effects on the respiratory system. lead - Answer-a metal found naturally in the environment as well as in manufactured products particulate matter - Answer-mixture of extremely small particles and liquid droplets 1) particulate matter less than 10 microns (PM10) 2) particulate matter less than 2.5 microns (PM2.5) 3) Total suspended particulate- historic PM contaminate criteria pollutants - Answer-1) national ambient air quality 2) set by EPA Variables when evaluating air pollution effects - Answer-levels/ concentrations of pollutants duration of exposure severity and duration environmental conditions interactions among pollutants Susceptible populations - Answer-Young Aged Pre-existing respiratory/cardiovascular diseases Smokers Heavy exercise Occupationally exposed personnel Factors contributing to air pollution - Answer-(A) Population Density