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EESA10H3 (491)
Lecture 2

EESA10 - Lecture 2 notes edited

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University of Toronto Scarborough
Environmental Science
Jovan Stefanovic

Gagandeep Saluja01162008Human Health and the EnvironmentLecture 2 Airborne Hazards and Human Health AnnouncementsThe final is going to be cumulative Professor does not yet know of the midterm date She will post it on the intranet as soon as she gets information on it The midterm examination will most likely be after the reading week but not 100 guaranteed The professors new office hours are 4PM6PM Wednesday before lecture in SW410Change in Teaching Assistant WingShun Wu for PZ online lecture LEC 60Office Hours Friday 12PM2PMAnnouncement on ReadingsBook and presentations are enough for the examsOnly the topics that the professor covers in class look through the text otherwise there is nothing additionalOnly memorize the data numbers shown in the presentations and talked about Airborne HazardsToday we will discuss two types of air pollutants1Outdoor air pollution2Indoor air pollutionWhat are the major sources of air pollution They are natural and manufacturedNatural include forest fires volcanoesmost of them that we cannot avoidManufactured has different kinds of industry and the burning of fossil fuelsOutdoor Air PollutionListed are 6 common air pollutants Ground level ozone particulate matter carbon monoxide nitrogen oxide sulfur oxide leadThey are regulated by the US Actit is called the Clean Air Act of USAA strict threshold is placed on these six pollutantsWe will also discuss pollutants that are not regulated in Canada or US as they still represent a hazard to human healthOzoneIs a chemical gas that has three oxygen atoms combinedThere are two different types of ozoneOne is good ozoneozone layer in stratosphere protects us from harmful ultraviolet UV radiationThere are ozone holes and problems with the pollution is the good ozone and this ozone is not formed on ground levelIt is formed in the upper level of atmosphere What is the subject of concern is the ground level of ozoneozone formed just alittle bit above the ground and how this ozone is formedLife SupportEESA10H3 S
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