Institute of Occupational Medicine pesticides from food and other sources. This work demonstrated that although it is likely that most people are exposed to low levels of a wide variety of pesticide compounds it is unlikely that such exposure would have measurable effects on the health of the population. In 1995 the Soufriere Hills volcano on the Caribbean island of Montserrat erupted, spewing volcanic ash containing large amounts of the crystalline silica mineral cristobalite over the surrounding area. IOM scientists investigated the health of people who lived on the island. In general the exposure of the residents was low, because most people lived well
Davao City Ring of Fire, the city has suffered few earthquakes and most have been minor. Mount Apo, 40 kilometers southwest from the city proper, is a dormant volcano. The population of Davao City is according to the . Metro Davao, with the city as its center, had about 2.5 million inhabitants in 2015, making it the third-most-populous metropolitan area in the Philippines and the most-populous city in Mindanao. In 1995, the city's population reached 1,006,840 inhabitants, becoming the first city in Mindanao and the Visayas and the fourth nationwide to exceed one million inhabitants. The city's population increase during the 20th