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Carbon monoxide is a colorless, odorless, tasteless gas. It is also flammable and is quite toxic to humans and other oxygen-breathing organisms. A molecule of carbon monoxide (CO) contains one carbon atom
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Not all particles are the same, many of them have different shape, size, and composition. Some of them reflect or scatter light, and others absorb it. Two instruments on the image, photometer and nephelometer,
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Measuring site T1 is in Tecámac. This is a little town close to Mexico City. The name Tecámac is a Náhuatl word, an ancient Mexico's language, spoken by Aztecs. In Náhuatl, Tetl or Tec means stone, camatl
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Hello again: We are nearing the end of our field campaign in Mexico. It has been a real adventure, with friendly people, great food, and interesting science. I obtained some good hydrogen peroxide measurements
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Here is an example of how polluted the City is. This is a picture of "Cerro del Chiquihuite", which is situated around 5km (3miles) north from us. Chiquihuite is very close, indeed. However, we can barely
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On one of our down days, we took a little trip to a small town about 20 km from Veracruz. In the little town of Zempoala (also called Cempoala), there is a large area of partially restored ruins of ancient
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This is a picture of the site where I am going to be measuring particles (I am in the room on the top of the building). We call it T0 because it is inside of the city and we can consider that the pollutants
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