Air Quality in NRiverside, CA

Riverside, CA is known for it's extreme poor air quality. Due to it's continuous consumption of greenhouse gases, and continuous emissions of carbon dioxide. Riverside is known for it's booming automotive industry. Many factories have been built, and the industry boom has had a negative impact on the pollution. About 54,000 children have had asthma attacks in the area, and it has been getting even worse. Since our activities revolve around automobiles and industries, it had been very hard to reduce these factors. They are planning to adapt a stricter policy that follows the Clean Air Act. 

METALS- LEAD

http://en.wikipedia.org/wiki/Lead

Lead's symbol: Pb. It's a soft, malleable metal. The atomic number is 82 and it's atomic mass is 207.2. This metal has a melting point of 621.43 degrees Fahrenheit, and it is solid at room temperature. 

  

Lead is a common metal used that is being exploited in many ways. Since it is not a free metal, it is that is extracted from the ore of galena (by heating it up in hot air), anglesite, cerussite, and minum, compounds that contain lead. About 1/3 of the lead used in the United States is through recycling. This metal has been used for a very long time. The Ancient Romans used lead to make their water pipes, and it is believed that because of high exposure to lead, the Roman Empire had fell. Some of these water pipes are still found today. Nowadays, lead is used to cover wires in order to protect them from corroding. It was originally in pencils, but was substituted by graphite due to the further knowledge of the harmful effects. 

Extreme exposure to lead has been known to have caused many issues for people's health. One issue is the impact it has on the developing nervous system, where it has been said to be one of the big causes of mental retardation. Lead was common in paint, but now have been substituted because of the negative impacts it has been having on people, especially children. Lead paint had been used in many children's toys, especially the ones shipped from China, and now they have been on the lookout and people have been more aware about this situation. 

Resources from this website:

http://education.jlab.org/itselemental/ele082.html