Internal combustion engine the atmosphere by the reaction of and volatile organic compounds in the presence of sunlight. Ground-level ozone is harmful to human health and the environment. Though the same chemical substance, ground-level ozone should not be confused with stratospheric ozone, or the ozone layer, which protects the earth from harmful ultraviolet rays. Carbon fuels contain sulfur and impurities that eventually produce sulfur monoxides (SO) and sulfur dioxide (SO) in the exhaust, which promotes acid rain. In the United States, nitrogen oxides, PM, carbon monoxide, sulphur dioxide, and ozone, are regulated as criteria air pollutants under the Clean Air Act to levels
Inter-Tribal Environmental Council jurisdictional boundaries in Oklahoma. The criteria pollutants being monitored include carbon monoxide, ozone, sulfur dioxides, nitrogen oxides and particulate matter. The United States Congress authorized the Environmental Protection Agency to develop a technological assistance program for Native Americans through the Indian Environmental General Assistance Program Act of 1992. Four main components: The principal objective of the GAP program is to provide opportunities for its member tribes to assess, evaluate and develop plans to address environmental and public health issues. Tribes that desire multi-media programs that address environmental issues can receive technical assistance through the GAP program. The Environmental Protection Agency