2:37 AM
oyi@blogspot.com
Volcanic ash by the eruption of Mount Merapi in Yogyakarta and surrounding areas plied increasingly thickened. This is clearly a serious threat to residents who live there. According to the World Health Organization (WHO), exposure to volcanic ash is very harmful to people who mengirupnya. The threat is the most common respiratory disorders. Based on the WHO exposure during the eruption of Mount Eyjafjallajökull in Iceland ago, volcanic ash particles are generally composed of fine rock fragments, minerals, and glass with strong character, abrasive, corrosive and does not dissolve in water.
Ash particles are very small so easily blown by wind up to thousands of kilometers. The most potentially damaging to the body is the smallest ash particles that reach less than 1 / 100 millimeter. This is dangerous because it easily penetrate the fabric mask and into the lungs. A person with bronchitis, emphysema and asthma are advised to reduce outdoor activity because of exposure to volcanic ash can aggravate health problems. WHO said the concentration of volcanic ash each volcano is different, depending on natural conditions such as air temperature and wind. "Our advice is to listen insruksi local health officials," said Dr Maria Neira, Director of the Department of Public Health and Environment WHO. "If you experience irritation or pain in the throat and lungs, runny nose, or itchy eyes, you should immediately go back home and restrict activities outside the room," Neira added. In addition to harmful particles, volcanic ash also potentially contain sulfur dioxide gas in low levels. That's why when it began to smell the smell of sulfur, it is advised immediately away from the region
